2,501. What is better short guard interval or long guard interval? Shorter wait time (guard interval) between symbols increases throughput. Solution. or To edit an existing AC profile, click the. Today, we are ⚡️electrified⚡️ to announce the latest stable release of the official IDE for building Android applications: Android Studio Electric Eel (2022. Hello, because our wireless analyzer can't capture packages transmitted in Short-GI model, we want to disable the Short-GI (guard interval) for AP/AC, we didn't find the configure for disable short-GI in the configuration tools for AP/AC. mechanical breakdown - make food smaller 4. Table 40 Feature compatibility. In short, distinct kinds of methods detect GIs based on diverse features and assumptions, and thus generate predictions of different reliabilities. 5 billion dollars - veterans who took advantage of the educational subsidy earned, on average, $10,000-15,000 more per. Support of the 400ns GI is optional for transmitting and receive. Stomach. I think we always want to have the mesh node and radio connected via ethernet. My default selection was still to go for an A1 and have a snug top with slightly short pants instead of a baggy top with pants that might be just nice or a little long. Space-time block coding (STBC) for increased range and improved reception. 618 without PET, and 0. 1. DD-WRT Forum Index-> Atheros WiSOC based Hardware: View previous topic:: View next topic Network adapter settings can be adjusted from Control Panel -> Network and Internet -> Network and Sharing Center -> Change adapter settings -> right-click on your network adapter and choose "Properties" -> click the "Configure" button. A quick look at the best no-gi shorts. An example of a pharmacophore model. A number of particular facial features may be present in some people with 22q11. Connect HDMI™ or DP or Type C to the device. a typical quality or an important part of something: 2. 1. 4Ghz but i can't get both to work at the same time. Study GI tract species comparison flashcards from Laura Oldfield's class online, or in Brainscape's iPhone or Android app. You know you can't if throughput goes down because of layer 2 retransmissions due to data corruption. 11g, 802. The short gastric arteries and the right and left gastro-omental arteries supply branches to the greater curvature. system-view N/A 2. 11n specifi cation. HITCH-KICK: The majority of athletes who employ this style of jump should use a single -step arm and leg cycle (see above). 11ac, and highlights the mandatory extensions from 802. Foods were either assigned (1) a published GI, (2) a GI of 0 for foods with a carbohydrate content below 5 g/100 g (e. Table 3. Unchanged from 802. • Xpress Technology. The rates are all VHT LDPC mode, MCS 9 Nss 1 20Mhz, MCS 9 Nss 2 20Mhz, MCS 6 Nss 3 80Mhz. Mặc khác, bạn có. New Xbox Family Settings features available to help manage gaming in Tech News. 11ac/n" and set "Channel width" to 40 MHz and enable "Short Guard Interval". 2. 4. 11n supports a short GI of 400 ns, which provides a 10% increase in data rate. 11ac allows two networks to share a high-capacity 80 MHz channel without contention most of the time, which is valuable because many devices will either not be capable of 80 or 160 MHz operation, or will disable it to save battery power. RouterOS wireless complies with IEEE 802. 11g, 802. 6 cm vs. MU-MIMO - The administrative status of the MU-MIMO feature for 2. thecompnerd, Short guard interval is a standard that is supported by the AP225. Such approaches provide effective control of stormwater management whilst generating a range of other benefits. Views. Tips: 1. It should be set to "auto",. Some outdoor deployments, may, however require a longer guard interval. Based on this feature, we developed a new sliding window method GIST, G enomic-island I dentification by S ignals of T ranscription, to identify these regions. It is annoying when your speaker picks up unwanted sounds when you're gaming. The 802. # This parameter sets the interval in seconds between these scans. 1. 11g and 802. In medicinal chemistry and molecular biology, a pharmacophore is an abstract description of molecular features that are necessary for molecular recognition of a ligand by a biological macromolecule. Multiplexing (OFDM)with 1 transmit and 1 receive path and is compatible with the IEEE. Early visceral disease, such as gastrointestinal (GI) involvement, is associated with significant morbidity and a poorer prognosis. 11n OFDM One Transmit and one Receive path (1T1R) 20MHz and 40MHz bandwidth transmission Short Guard Interval (400ns) DSSS with DBPSK and DQPSK, CCK modulation with long and short preamble OFDM with BPSK, QPSK, 16QAM, and 64QAM modulation. 11n Short GI? When the radio sends data in OFDM modulation mode, it divides a frame into different data blocks to send. 4 GHz, 802. Sự khác biệt giữa 2 khái niệm Long Position và Short Position là hướng từ giả định thị trường. In order to guarantee that the wireless network is compatible with 802. The main organs that make up your digestive system are the organs known as your gastrointestinal tract. Central Processing Unit (CPU) Every computer has a Central Processing Unit, and so does the Raspberry Pi. The available bands depend on the selected platform. Table 38 Hardware series. Cancers that develop from these cells are called neuroendocrine tumors (NETs). UPnP feature needs the support of operating system (e. a part of a building or of an area of…. • Enable Short GI - It is recommended to enable this function, for it will increase the data capacity by reducing the guard interval time. 11b, 802. This is most often due to defects existing at birth (congenital), or surgical removal of part of the small bowel. Stop 4: The Colon, Rectum, and Anus The colon (large intestine) is a five- to seven -foot -long muscular tube that. Symptoms included anorexia (26. 1. GI Tag is an indication or symbol to recognize the origin of a product. VHT feature enables support for 256QAM VHT rates not specified by the 802. GI (Guard Interval) is intended to solve the problem based on delays, and Short GI is used to improve the throughput of the wireless network based on the GI in the environment with small delays. GI (Guard Interval) is intended to solve the problem based on delays, and Short GI is used to improve the throughput of the wireless network based on the GI in the environment with small delays. Bounce lighting. The length of your entire digestive system from the mouth to anus is approximately 30 feet long. Figure 1 depicts an evolutionary overview of in vitro models encompassing different phases such as geometric evolution, high-throughput technology, miniaturisation and in silico evolution. PHY Features IEEE 802. Abstract: Short guard interval (SGI) is a new feature of the physical (PHY) layer in High Throughput Wireless Local Area Networks (HT-WLANs), like IEEE 802. 11n radios. The purpose of a guard interval is to. 11b and. 11 OFDM-based communications, Guard Interval is used to ensure that distinct transmissions occur between the successive data symbols transmitted by a device. Many authors create captions to show an object or an idea from the text. Single radio/antenna devices do not support mimo and still having trouble with inter symbol interference by multipath, especially in warehouses where barcodescanners are used. However, the mosaic nature and extreme variety of GIs increase the complexity of GI prediction . 11n clients up to 1-SS – Supports 802. DD-WRT Forum Index-> Atheros WiSOC based Hardware: View previous topic:: View next topic Short Guard Interval, or ISI, is a feature of many wireless networks that allow you to maximize the utilization of spectrum. 1) has been appended with features. Short GI: Enable; WMM: Enable; TxBF: Enable; ATF: Unable (This function can be turned on when multiple clients are present) MU-MIMO: Unable (This function can be turned on when multiple clients are present) Turn on Sniffer and grab packets on the appropriate channel; Record the Beacon Frame and Probe Response package; Step IV. Choose the default (root) directory for your server. Best Cross Training: Sanabul CORE. with 1 transmit and 1 receive path and is compatib le with the IEEE 802. Windows Vista/ Windows 7/ Windows 8, etc. I don't understand why you recommend mixed. 11n mode allows for a reduction in this guard interval from the a and g definition of 800 nanoseconds to 400 nanoseconds. Short GI(Guard Interval) 是 802. If these 4 layers are present you must be viewing part of the alimentary tube. However, there is little empirical evidence on the role of the historical roots of GIs in countries with comparably short GI histories. This includes bandwidth, modulation type, and number of streams, among other things. 2*GI-1. They are: your mouth, esophagus, stomach, small intestine, large intestine and anus. 11n bands. Short GI: disabled - Short G uard I nterval decreases the time between data characters being sent wirelessly. (40 x 15)/100 = 6, so the glycemic load of an apple is 6. g. Here’s what you need to know. Gastroesophageal reflux disease (GERD) is a chronic gastrointestinal disorder characterized by the regurgitation of gastric contents into the esophagus. 3 Mbps with. Based on remote sensing images, this study aims to provide a spatiotemporal dynamic assessment of the GI in Baisha District from. For indoor environments, our Wi-Fi 6 routers enable short GI (0. 11ac as long as additional features like WPA, WEP, AES encryption, Wireless Distribution System (WDS), Dynamic Frequency selection (DFS), Virtual Access Point, Nstreme and NV2 proprietary protocols and many more. with a short guard interval) will be able to achieve almost 3. Should "Short GI" be disabled when using Mixed N/G. Select the client load balancing methods to use: Frequency Handoff and/or AP Handoff. Although the short guard interval is optional, I expect it. Features: A special collar that prevents skin rash; Pre-shrunk; Free white belt; 2 years warranty; IBJJF approved; Another lightweight Gi option for children that had to feature in our best kids BJJ Gi guide. Everything including the large intestine and below is the lower GI tract. It can be enabled or disabled on your network to enhance the stability of your wireless network. Quantifying the dynamics of green infrastructure (GI) in agricultural peri-urban areas is of great significance to the regional ecological security, food security, and the sustainable development of urban integration. Ensure to keep at least 6 dB lower value on 2. Normally this is an 800ns timer that allows for time between bursts. Which is better guard interval long or short? Shorter wait time (guard interval) between symbols increases throughput. It affects cells both in the myenteric and submucosal plexuses 4. Best Grappling: Gold BJJ Pacific Short. 1 、 GI 的作用. 11a, 802. Innervation is provided via the vagus nerves and the celiac plexus . Assisting your GI organs along the way are your pancreas, gallbladder and liver. 3. 8 us: 0. 24. a member or former member of the U. Mandatory and Optional PHY features of 802. 6 cm vs. a typical quality or an important part of something: 2. Use this feature to turn off antenna diversity when the AP must support legacy clients such as Cisco 7921g VoIP. Compare this example with the next example which came from the latest specficiation. 6 cm. Which is better guard interval long or short? Shorter wait time (guard interval) between symbols increases throughput. the main characteristics were topography and external appearances in combination with microscopic features. In contrast, the historic significance and protection of historical and traditional features were the primary motivations for protecting the younger Kaga Maru potato product. The glycemic index (GI) is a measure of how quickly and how much a food raises one’s blood sugar levels after eating. Enabling a short guard interval can decrease network overhead by reducing unnecessary idle time on each access point. A geographic information system ( GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data. The higher the MCS index is, the more throughput is supported by the corresponding modulation schema. 71%) in the small intestine group and 97 (69. 11b/g devices. Wireless networks use two frequency bands, 2. 0 Kudos. 3. Windows Vista/ Windows 7/ Windows 8, etc. Here SS stands for Number of Spatial Streams. may, however require a longer guard interval. 11ac will includeIn any event - short GI is nice, but a client can ask for long GI dependent on range and other considerations to improve overall robustness of the session - 11n/11ac client chipsets are pretty smart about this (goes to beamforming and other items) Not sure what barker preamble is, never heard of it. The function of the GI tract is to process ingested food by mechanical and chemical means, extract nutrients and excrete waste products. Devices should detect interference when using 40MHz, and drop back to 20MHz. BED is characterized by a recurrent pattern of binge eating (i. 11n networks can operate at 2. One of the most advanced models out there to forecast time series is the Long Short-Term Memory (LSTM) Neural Network. 11n specs. This field is set to 1 to indicate that the 400 ns short guard interval is used for the data payload of the physical layer frame. TextBlob: Simplified Text Processing¶. mechanical breakdown - make food smaller 4. 11n Short GI? When the radio sends data in OFDM modulation mode, it divides a frame into different data blocks to send. defecation - waste removalGuard interval is a period of time between symbols that accommodates the late arrival of symbols over long paths. The manufactured. A short trial with a prebiotic/probiotic combination in a cohort of perinatally-infected children was effective to reduce dysbiosis, and a prolonged administration was associated with increased immune reconstitution and anti-inflammatory effects. The underlying pathophysiology of GI involvement includes atrophy of the circular layer of smooth muscle leading to dysmotility and dilation, collagen deposition causing fibrosis and dysfunction of the autonomic nervous system. 11a/g/11n/11ac deployments even if they are not fully upgraded to 802. Radio interface view. 11n and the next 802. It did, my connection speed went from 300Mbps to over a 1Gbps, will give short guard interval a shot, thanks again! Reply. 2. The higher the MCS index is, the more throughput is supported by the corresponding modulation schema. Interest needs to be paid only on the amount that is utilised and not the total limit. 11n mode allows for a reduction in this guard interval from the a and g definition of 800 nanoseconds to 400 nanoseconds. 3. Numerical results are presented showing how the future IEEE 802. transmits data using a 400 ns guard Interval when communicating with clients that also support the short guard interval. To ensure data transmission reliability, the guard interval (GI) is used between the data blocks to ensure that the receive end correctly parses each data block. armed forces, esp. Short-term consequences of lack of GI immune reconstitution are not evident, but vigilance is warranted for polyps, cancers, and. 1) has been appended with features. Syntax. This Hayabusa Lightweight Jiu-Jitsu GI is next on our list of Best Women’s BJJ GIs of 2022. Features include one spatial stream transmission, short guard interval (GI) of 400ns, spatial spreading, and transmission over20MHz and 40MHz bandwidth. RESEARCH DESIGN AND METHODS—A literature search identified 205 articles published between 1981 and 2007. 11 OFDM is 800 nanoseconds in duration. Short Guard Interval - Enables/Disables Short Guard Interval. • Short GI Feature - It is enabled by default and highly recommended, for it will increase the packet capacity by reducing the GI (Guard Interval) time. Cihazınız uyku modundan çıktıktan sonra düşük Wi-Fi hızlarıyla da karşılaşabilirsiniz. 11 operation, each directed data and management frame must be acknowledged, as shown in the. 8%), diarrhea (12. The short, narrow, and thin-walled esophagus is simple with a folded stratified squamous epithelium without glands but mucous surface cells secreting neutral mucus. Usage guidelines. 11n 针对 802. To help mitigate the effects of co-channel interference, 802. [1][2] It can occur in the context of active pulmonary disease or as a primary infection without pulmonary involvement. In addition, there is individual variation in the manifestation of symptoms. Prompt diagnosis is crucial to allow disease modifying therapies be initiated early in the course of the disease. Short guard interval (SGI) is a new feature of the physical (PHY) layer in High Throughput Wireless Local Area Networks (HT-WLANs), like IEEE 802. This command is applicable only to 802. 802. Primary and secondary channels are important to bandwidth coexistence features, and will be discussed further in Clear-Channel Assessment (CCA). Each transmission burst in 802. Initial studies with bacteriological culture reported bacterial loads in the small intestine of healthy dogs to be lower than the colon, with. g. These systems are able to analyse large amounts of imaging data in a short time, detect and visualise complex correlations and patterns, and provide objective and. 11 operation, each directed data and management frame must be acknowledged, as shown in the. Table 39 Model. The Short Guard Interval is an option that can increase wireless data rates by as much as 11%. The 802. • Short Gi. absorption - nutrient transfer 6. Down syndrome varies in severity among individuals, causing lifelong intellectual disability and. 802. Use undo short-gi to restore the default. c. It can result from multiple factors, such as multipath effect. Most importantly, 802. g. 8 us. Mr. UPnP feature needs the support of operating system (e. One reason is the design that kids, love, in combination with the available colors, sizes, and the 2-year warranty and 24/7 customer. Should "Short GI" be disabled when using Mixed N/G. transmits data using a 400 ns guard Interval. In order to guarantee that the wireless network is compatible with 802. Short GI. The field stored as geometry type is called SHAPE when created through ArcGIS. 11b standard, which uses the 2. Short GI is enabled. Wish you all the best, and have fun! Questions and Answers. US regulators will consider clinical trials of a system that mimics the. high-throughput-enable. These cells have some features in common with nerve cells but also have other features in common with hormone-producing (endocrine) cells. 8%), diarrhea (12. Despite the hefty price tag of the program - about $14. The purpose of this cycling motion is to counteract and reduce forward rotation during the jump. In an optimal radio environment that could increase throughput but. 4 GHz than 5 GHz band to make 5 GHz signal stronger than 2. Release v0. 5. GI obstruction often leads to intractable vomiting, the consequences of which can be life-threatening and include possible aspiration, electrolyte and acid-base disturbances, and dehydration. 2. 11a/g 所做的改进。 射频芯片在使用 OFDM 调制方式发送数据时，整个帧是被划分成不同的数据块进行发送的，为了数据传输的可靠性，数据块之间会有 GI ，用以保证接收侧能够正确的解析出各个数据块。 I usually disable AP handoff and frequency handoff. The features of Raspberry Pi computers that make all these possible include: Features of Raspberry Pi. Acute graft-versus-host disease (GVHD) of the gastrointestinal tract is a common complication in patients after haematopoietic stem cell transplantation (HSCT) that results in considerable morbidity and mortality. digestion - chemically make food smaller 5. 4ghz and 5Ghz? Packages installed for it: brcmfmac. 2. In the British Health Improvement Network study [ 12 ], the prevalence of AD was significantly higher in patients with functional dyspepsia (FD. 11b. The general information of the three genomes. 11n) features. thicker outer hypoechoic wall (mean 0. Where: GI is the GI value using the glucose scale; Carbohydrate per portion is total digestible (or. 11n deployments have proven capable of implementing the short guard interval without difficulty or adverse effects. Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is the cause of the global coronavirus disease 2019 (COVID-19) outbreak. 11n short GI工作原理？. By then rejecting/ignoring unwanted login requests it can "steer" the client to authenticate to a specific AP or on a specific band. Noonan syndrome is typically inherited in an autosomal dominant manner. <sysname> system-view [sysname] interface WLAN-Radio2/0 [sysname-WLAN-Radio2/0] undo short-gi enable. 584 with only DCE-MRI features. The AP feature is a soft AP so it can support up to 32 clients. 400ns GI (Guard Interval) 256 QAM; 5/6 Coding Rate; 1300 Mbps under all of the max condition < Wave 2 > 4 x 4 : 4 Data Streams or 8 x 8 : 8 Data Streams Max; Transmission BeamForming (based on Explicit CSI) AP support MU-MIMO; Max 160 Mhz; 800ns GI (Guard Interval) 256 QAM; 5/6 Coding Rate; 3466. g. Sự khác biệt giữa 2 khái niệm Long Position và Short Position là hướng từ giả định thị trường. In the screen shot above you will notice that Short Guard Interval and Aggregation are both disabled. This allows for up to 63 different BSS color values. Frame aggregation is a feature that only 802. The barium will make your large intestine more. Mild hypercalcemia – Patients with mild hypercalcemia (calcium above the upper limit of normal but <12 mg/dL. Looking for the definition of GI? Find out what is the full meaning of GI on Abbreviations. 1. 3. The GI Bill can also be used by your beneficiaries, namely children aged 18-33, and spouses to cover the following: Tuition & Supplies. Simms is having lunch at his team's practice facility. Download scientific diagram | hroughput vs. 11 OFDM-based communications, Guard Interval is used to ensure that distinct transmissions occur between the successive data symbols transmitted by a device. INCREASE WI-FI THROUGHPUTIn this increase wifi throughput 2020 video you will learn why and when to use wifi short guard interval in your WI-FI ACCESS POINT. 4-GHz support significantly increases the range of Wi-Fi, adding standards-based sounding and beam forming, and enabling new use cases and business models for indoor and outdoor coverage. Short Guard interval & Aggregation. INTRODUCTION. Turn on Sound Tune in OSD. Best Kickboxing: Hayabusa Hexagon Mid-Thigh Fight Shorts. 5 cm). This command is applicable only to 802. 4GHz frequency. This standardised classification scheme requires the logical division of GI features into vegetation layers, ground surfaces and building structures that are disaggregated into classes and sub-classes. The 802. 11ac has only 10 MCS values irrespective of channel width and spatial streams unlike 802. H. MCS =. Key Features. 2. 4*GI-3. , which involved 59254 patients from 11 countries. Short GI can. Take up this Block 6 Gi intro to Gi histology MCs and see how much you can recall. Classic and classy are words that come to mind when I try to describe the look of the gis made by this company. On the. Answer:-. Following are the features of 802. Views. It is a compliment to LAN (local area network). 11ac allows two networks to share a high-capacity 80 MHz channel without. Its anatomy is quite complex; it consists of four parts, two curvatures and receives its blood supply mainly from the celiac trunk. The small intestine is part of your digestive system. 11 technical standards:. 0. Support of the 400ns GI is optional for transmitting and receive. The stomach is an organ of the digestive system, specialized in the accumulation and digestion of food. 4 GHz. The incorporation of glycemic index (GI) and glycemic load (GL) is a promising way to improve the accuracy of postprandial glycemic response (PPGR) prediction for personalized treatment of gestational diabetes (GDM). Available Settings: Enable, Disable; Default Setting: Disable; Recommended Setting: Enable 1 、 GI 的作用. In the same configuration but with IPM enabled, the AP will start up in. 11n amendment added support for an optional 40MHz channel. 11ax) features on this SSID. 11a/g 所做的改进。 射频芯片在使用 OFDM 调制方式发送数据时，整个帧是被划分成不同的数据块进行发送的，为了数据传输的可靠性，数据块之间会有 GI ，用以保证接收侧能够正确的解析出各个数据块。 无线信号在空间传输会因多径等因素在接收侧. Should "Short GI" be disabled when using Mixed N/G. Between January 2016 and December 2017, 140 patients with GISTs who received surgery were enrolled in this study, including 43 patients (30. In an average life time, around 60 tonnes of food pass through the human GI tract, along with an abundance of microorganisms from the environment which impose. I think the info would help many that are having issues with your AX6000 router. Delay in cognitive abilities, motor. Windows Vista/ Windows 7/ Windows 8, etc. These cancers are rare in the GI tract. They have evolved from early rigid designs with limited capabilities to more sophisti-cated flexible instruments with advanced imaging capabili-ties, specialized features for advanced therapeutic interven-tions, and different designs to enable examination of. • The digestive system of the carnivore is described as monogastric. Geometry. Subsequently, we compared the known GI-associated features of the GIs detected by GIST and by the existing method Islandviewer to those of the whole genome. 11ax compared to Wi-Fi 5 and older generations: the addition of a new frequency band, higher modulation rate, smaller subcarrier spacing, longer guard interval and the introduction. Edit htmode options in the file /etc/config/wireless and restart the Wi-Fi AP to test various channel widths. 1. 11n AP: tx. If the short guard interval does not allow enough time for reflections to settle in your mesh deployment, inter-symbol interference values may increase and. • The teeth of the carnivore are sharp, pointed and powerful and the jaw has a scissor-like action. The ileocecal region is the most commonly affected site; however, it can involve any part of the gastrointestinal tract (GIT). 11n, and can cause issues with. Too often we hear gastroenterology colleagues giving feedback of unsatisfactory clinical outcomes following. Reducing the guard interval can yield a 10% improvement in data throughput. Answer:-. IEEE 802. 34. WA6638i. 2 To add a new SonicPoint AC profile, click the Add SonicPoint AC Profile button. Digestive Disease Week® The most prestigious GI meeting. ใน Wi-Fi ที่ใช้ OFDM จะใช้ GI อยู่สองตัวคือ GI มาตรฐาน 0. They both function best in optimum network conditions where. Your digestive system is responsible for breaking down the foods you eat so that you can absorb vital nutrients. 11ax 2. Gastrointestinal (GI) bleeding is a common potentially life-threatening medical condition frequently requiring multidisciplinary collaboration to reach the proper diagnosis and guide management. Symbol and guard interval (GI) Symbol is the transmission signal in the time domain. Predefined user roles. I'm really enjoying this AiO shader and especially the fake GI Feature. Should "Short GI" be disabled when using Mixed N/G. Short Guard interval (400ns) - optional (though optional but is widely supported). Select Channel Width. We constructed a verified dataset of 41 known GIs and 54 prophages from 14 well-studied organisms (ten. On the other hand. In short, GI-SVM provides a more sensitive method for researchers interested in a ¯rst-pass detection of GI in newly sequenced genomes. (ˈdʒiˈai) (noun plural GI's or GIs, verb GI'd, GI'ing) noun. Autism spectrum disorder (ASD) is a neurodevelopmental disorder that presents with restrictive, repetitive patterns of behavior, interests, and activities, and/or deficits in communication and social interactions, which typically manifest within the first three years of life []. 11ac maximum throughput (1300Mbps) requires all 802. Then click Save. Select to enable the short guard interval for 802. Select the wireless protocol from the dropdown list. In an optimal radio environment that could increase throughput but in less than optimal conditions it will instead lead to errors, retransmissions, instability and decreased performance. iw dev <name> link Example output when associated with a legacy (non-802.