Ram-type blow out preventer is important equipment used in oil drilling operations. Variable bore ram-type blowout preventer, as a improved type, is capable of sealing around drill pipes with a range of sizes and have advantanges such as low cost and convenience, expatiate on the sealing well mechanism, this paper discusses the structural characterstics of several typres fo variable bore ram, the operation of the varialble bore ram is simulated with the finite element model. the distribution of the stress is analysed, which provides the toudation for optinizing the design of variable bore ram-type blowout preventer
K10 plus rk3399 6 core dual band wifi support DLNA android7.1 tv box 1.On TV box, there are more than 1000 TV channels, high-definition movies, TV series, surf Internet, chatting, and a huge amount of resources to download. 2.Pictures, video, music on the phone's or tablet can be sent to the TV, and it can be turned into a remote control and a flying air mouse,that's DLNA. 3.Strong local playback function, perfect support for almost all video format and 3D film source, dual band WiFi, support 2.4 GHZ and 5.8 GHZ, WiFi network is more stable, download speed is faster. K10 TV box android 7.1 kodi box selling point: 1.6 core cpu fast loading all you want apps,movies,videos etc,watch live show. 2.It's the TV box and the game console. 3.GPU:Mali-T864 3D 4.4K 60fps Ultra hd decoding is played, the resolutions is 4 times of 1080p, and is 24 times of dvd. 5.overvoltage protection. 6.IR remote with 6M 7.4G+32G storage. 8.logo is change color to blue or red. 9.37 degree working temperature. 10.K10 cloud android tv box support DLNA,projection with your phone. 11.HDMI 2.0 support 4K output. 12.USB3.0*2pcs,USB 2.0*2pcs 13.K10 tv box support 100M ethernet.
K10 plus rk3399 6 core dual band wifi support DLNA android7.1 tv box 1.On TV box, there are more than 1000 TV channels, high-definition movies, TV series, surf Internet, chatting, and a huge amount of resources to download. 2.Pictures, video, music on the phone's or tablet can be sent to the TV, and it can be turned into a remote control and a flying air mouse,that's DLNA. 3.Strong local playback function, perfect support for almost all video format and 3D film source, dual band WiFi, support 2.4 GHZ and 5.8 GHZ, WiFi network is more stable, download speed is faster. K10 TV box android 7.1 kodi box selling point: 1.6 core cpu fast loading all you want apps,movies,videos etc,watch live show. 2.It's the TV box and the game console. 3.GPU:Mali-T864 3D 4.4K 60fps Ultra hd decoding is played, the resolutions is 4 times of 1080p, and is 24 times of dvd. 5.overvoltage protection. 6.IR remote with 6M 7.4G+32G storage. 8.logo is change color to blue or red. 9.37 degree working temperature. 10.K10 cloud android tv box support DLNA,projection with your phone. 11.HDMI 2.0 support 4K output. 12.USB3.0*2pcs,USB 2.0*2pcs 13.K10 tv box support 100M ethernet
K10 plus rk3399 6 core dual band wifi support DLNA android7.1 tv box 1.On TV box, there are more than 1000 TV channels, high-definition movies, TV series, surf Internet, chatting, and a huge amount of resources to download. 2.Pictures, video, music on the phone's or tablet can be sent to the TV, and it can be turned into a remote control and a flying air mouse,that's DLNA. 3.Strong local playback function, perfect support for almost all video format and 3D film source, dual band WiFi, support 2.4 GHZ and 5.8 GHZ, WiFi network is more stable, download speed is faster. K10 TV box android 7.1 kodi box selling point: 1.6 core cpu fast loading all you want apps,movies,videos etc,watch live show. 2.It's the TV box and the game console. 3.GPU:Mali-T864 3D 4.4K 60fps Ultra hd decoding is played, the resolutions is 4 times of 1080p, and is 24 times of dvd. 5.overvoltage protection. 6.IR remote with 6M 7.4G+32G storage. 8.logo is change color to blue or red. 9.37 degree working temperature. 10.K10 cloud android tv box support DLNA,projection with your phone. 11.HDMI 2.0 support 4K output. 12.USB3.0*2pcs,USB 2.0*2pcs 13.K10 tv box support 100M ethernet.
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Features. 1. Easy to update online 2. Cable cost saving 3. One key to close kd 4. Dual band strong wifi 5. Easy to use ui, fast kd add ons, thousands of free movie, sports and live tv 2017 new design iron+ s912 2g 16g dvb smart tv box low price android 7.1 tv box Specification. Magicsee iron android 7.1 tv box amlogic s912 chip 4k full hd smart media player Model no Magicsee iron plus android tv box Os Android 6.0 Cpu Amlogic s912 octa core arm cortex-a53 cpu up to 2ghz (dvfs) Gpu Arm mali-t820mp3 gpu up to 750mhz (dvfs) Language Chinese, english, germany, thai, french, russian, italian, spanish.... Ram Ddr4 3gb Memory size Emmc flash 16gb/32gb(optional) Wifi Dual band ï2.4ghz/5.8ghzïieee 802.11a/b/g/n/ac Ethernet 100m/1000m Bluetooth Bt4.1 Software extension Support google play & apk install Image browser Support jpgjpegbmpgifpngjfifetc photo format Multimedia applications support Vp9-10 profile-2 up to 4kx2k(, )60fps H.265 hevc mp-10(, )l5.1 up to 4kx2k(, )60fps H.264 avc hp(, )l5.1 up to 4kx2k(, )30fps H.264 mvc up to 1080p (, )60fps Mpeg-4 asp(, )l5 up to 1080p(, )60fps (iso-14496) Wmv/vc-1 sp/mp/ap up to 1080p(, )60fps Avs-p16(avs+) /avs-p2 jizhun profile up to 1080p(, )60fps Mpeg-2 mp/hl up to 1080p(, )60fps (iso-13818) Mpeg-1 mp/hl up to 1080p(, )60fps (iso-11172) Supports *.Mkv, *.Wmv, *.Mpg, *.Mpeg, *.Dat, *.Avi, *.Mov, *.Iso, *.Mp4, *.Rm and *.Jpg file " Usb port 2*usb port+ 1*usb otg Optical digital audio Support Hdmi Hdmi 2.0 A/v out Support Ethernet Support Power supply 5v2a dc Micro sd card slot Tf card
*7D Marco Gaming mouse with driver *RGB Chroma Light *Avago3050/5050/Pixart3325/3310 sensor for option *Omron switches 20 million click times
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Ultra-immersive motion sensing game experience Focal length & pupil distance adjustable Extra soft contact pad assure hours of gaming comfort Powerful magnet trigger, compatible with google cardboard More comfortable and durable, enough size for wearing glasses Reserve perspective window for AR or camera shooting purpose. Specification Details Of UG-173 VR BOX 6 Inch biggest size design Compatible size : 11.43cm (4.5) - 15.24cm (6) Max. Height : 160 mm Max. Width : 83 mm Material Case : 100% new ABS Lens : PMMA Head strap : Nylon Head guard : PU + memory foam Magnet ring : Neodymium rare earth Magnet disc : Ceramic Pupil distance adjustment : Up to 20mm Focal length adjustment : Up to 10mm Product dimension : 190 x 160 x 105 mm (L x W x H) Net. weight : 0.103kg 3D video playback will work with correct video content & application Left Quantity
* 5 inch 720*1280p screen * RK3126 Quad Core ARM Cortex A7 Up to 1.3 GHz * Mali-400MP2 * 1GB DDR3 RAM * 8GB Flash * 2.4G 802.11 B/G/N;BT 4.0 version * Nibiru operating system develop based on Android 5.1 * Lithium-ion polymer battery 2800mAh * 22.6*15*11cm
now VR simulator is very popular all over the world. this equipment should wear the VR glass,like htc vive,oclus and so on. no need go out to experience the extreme sports,just stand on the equipment,u could experience the roller coaster,drift,ski and so on,very stimulating,very fun. VR simulator features: 1.easy to play,very stimulating 2.low investment,high profit and fast return 3.the appearence is cool,attractive 4.occupy small place VR simulator specifications: 1.voltage:220,power:8kw 2.weight:260kg 3.size:1260*1260*2396mm 4.occupied area:2000*2000*2800mm
7.1 surrond sound Gaming Headphones with Steel Structure & Vibration & Blue Light Effect Headphone: Driver unit: φ50mm Impedance: 32ohm±15% Sensitivity: 120±3db Ferquency response: 20Hz-20kHz Maximun powerinput: 100mw Cord: 2.2M Connector: USB Microphone: driver Diamerer: 4*1.5mm Impedance: 2.2kohm Sensitivity: -40dB±3db Directivity: Omni directional Operation voltage: 4.5V S/N ratio: 65dB
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Ecdis, gyro compasses, magnetic & satellite compasses, anemometers, echo sounders, speed logs, autopilot systems, mf/hf, inmarsat c satellite communications (including broadband), vhf, ais, fbb, navtex, lrit, ssas in suitable price..
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Gaming X the latest innovation from Xigmatek. Perfect for Gaming and any professional system build. Xigmatek Gaming X RGB Mid-Tower Gaming Case 0.5mm Thickness Chassis Structure Elegant Metallic Design Frontpanel Left Tempered Glass Sidepanel Superior Airflow and Ventilation Chassis Design Easy Cable Management and PSU Shroud Multiple Cooling Fan Placement Up to 6 x 120mm Fans Liquid Cooling Radiators Compatibility: Front 240mm, Rear 120mm, Top 240mm
