Less connector and airtightness.For each FRP tube, the length can reach 12 m., so the leakage point can be reduced. We adopt the "Dual-ring" for airtightness.

接頭少、密封性好毛片网址网站，由于玻璃鋼管道每根管道可達(dá)12米長被操到舒服无码，減少了泄漏點(diǎn)，采用雙"0"型密封圈999超碰，密封可靠污污污在线观看黄真人网站，也可做到邊安裝邊試壓。

The aluminum frame is formed one time with minimum connectors left, meanwhile, double sealants of butul silicon and polysulfide rubber or structural silicon are used to keep the airtightness and the using time.

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If the shaft seal bad back, there will be large number of resin powder leaked, each class should be pressed for several Pan-gen still leakage phenomenon not only affects the sanitation, and increase the volume of maintenance and therefore a need to use The system forms a seal 4 gear is reasonable Screw conveyor is the use of motor driven rotary screw, the passage of materials in order to achieve the purpose of transportation machinery, it can level, tilt or vertical transmission, a simple structure, small cross sectional area, sealing, and easy to operate, easy maintenance, facilitate closure transportation and other advantages.

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The new SK 110/37 screw cap is equipped with a newly developed non-leaking profile by designing a specific inner sealing lip, which ensure good tightness of the package.

新的水庫三十七分之一百一十螺帽配備了新開發(fā)的無泄漏設(shè)計(jì)了一個具體的內(nèi)部密封唇，保證了良好的密封性包文件国产精品盗摄!偷窥盗摄。

The rheology and the ability of self-seal of ZMF lubricant was studied by experimental analysis,and its rheological preoperties and the mechanism of self-sealing performance was analysed.

通過實(shí)驗(yàn)對ZMF 潤滑劑的流變學(xué)與自密封性進(jìn)行了研究av免费真人，分析了它的流變學(xué)性質(zhì)和自密封機(jī)理。

Preparation of the cathode includes:shaping under the press of 40Mpa, sintering at 550℃for 1 hour and at 900℃for 8 hours and threading with molybdenum bar; Considering the literatures we choose CaCl2 as salt for preparation titanium. Pretreatment of salt is for 1 hour at 100℃and for 2 hours at 300℃. Partial pressure of oxygen which need lower than 5.11×10-7Pa to reduct titanium oxides and hygroscopic property of salt need a sealed equipment to electrolyse. And finally successfully designed a satisfied one and the results show that the equipment can be satisfied the requirment of the experiment. Flow of the inert gas is 1.5L/min, the voltage is 2.8 V, temperature is 850℃and time is 2 hours during pre-electrolysis. Flow of the inert gas is 0.2L/min, the voltage is 3.1 V, temperature is 900℃and time changes with the mass of TiO2 during electrolysis, namely the greater need the longer time; To eliminate influence of salt and other impurities, the products need to wash with distilled water and dilute chlorhydric acid , then wash with dilute hydrochloric acid under supersonic wave assistant. Finally, electrometical properties of the electrolysis of TiO2 is researched by cyclic voltammetry and chronoamperometry, and results show that there are two main reodox steps, namely from TiO2 to TiO and from TiO to Ti.

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Why do people have the inspiration to make liquid seals ? First of all, no matter how tight you press the solid seals , they can't fill in those uneven places on the joint face, so gap always exists. But liquid seals can fill in the dent and present good sealing function. Meanwhile liquid seals have stickiness so they have adhesive force to metal adjoining planes, which is helpful to seal. Besides the stickiness of liquid seals is high so they will not move easily, which can ensure the leak tightness.

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Composed of round door frames, gate, rack , sealing strip, adjustable structure of sealing , this kind of sealing principle is door frame is fixed on square pipe of pool and wall, rack is fixed on door frame and wall, through rack opens and closes till weld block of gate meets with weld block of rack to make sealing surface of gate close to sealing surface of door frame to achieve sealing .Besides , sealing of gate and sealing of door frame are made of inlaid copper which is well resistance ,It makes valve with well sealing ,wear resistance , corrosion resistance, easily operation, convenient installation , long life , wildly usage.

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Composed of square door frames, gate, rack , sealing strip, adjustable structure of sealing , this kind of sealing principle is door frame is fixed on square pipe of pool and wall, rack is fixed on door frame and wall, through rack opens and closes till weld block of gate meets with weld block of rack to make sealing surface of gate close to sealing surface of door frame to achieve sealing .Besides , sealing of gate and sealing of door frame are made of inlaid copper which is well resistance ,It makes valve with well sealing ,wear resistance , corrosion resistance, easily operation, convenient installation , long life , wildly usage.

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The most important are as follows: Detection of type: valve stem seal leakage test and test; water valve tightness test; switch tightness test; the take-off safety valve Test; Detection Object: valve, the cut-off valve , safety valve, throttle valve, check valve, swing check valve, ball valve, regulating valve and other hollow pump body, valve body and housing, etc.; way valve connection: flange connection, threaded connection, welding connection; detection medium.

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airtightness：密封,氣密度[性]

air-tight 不漏氣的,氣密的 | airtightness 密封,氣密度[性] | air-tight seal 氣密封閉

encapsulation test：密封性試驗(yàn)

密封塞子 Sealing Plug | 密封性試驗(yàn) encapsulation test | 密集波分復(fù)用 Dense Wavelength Division Multiplexing DWDM

impermeability test：密封性試驗(yàn)

imperial 法定標(biāo)準(zhǔn)的英制的法定標(biāo)準(zhǔn)的 | impermeability test 密封性試驗(yàn) | impermeability 不滲透性

axial impermeability：縱向密封性

axial hole 軸向孔 | axial impermeability 縱向密封性 | axial jet 軸向射流

leak test：密封性檢驗(yàn)

著色探傷dye penetrant inspection | 密封性檢驗(yàn)leak test | 氣密性檢驗(yàn)air tight test

methanol：甲醇

鐵罐的密封性比膠瓶強(qiáng),因?yàn)槿剂现械?quot;甲醇"(Methanol)是會吸收空氣中水份的,而硝基甲烷是有強(qiáng)揮發(fā)性的. 膠瓶的密封性差,也沒有一次性封口再加外蓋. 膠瓶身在遇熱時會大量澎漲,但在冷卻收縮時也同時大量吸收空氣,空氣中水份也同時吸入,

methanol：醇

用鉄罐燃料和膠瓶燃料的分別是,鉄罐的密封性比膠瓶強(qiáng),因?yàn)槿剂现械?quot;甲醇"(Methanol)是會吸收空氣中水份的,而硝基甲烷是有強(qiáng)揮發(fā)性的. 膠瓶的密封性差,也沒有一次性封口再加外蓋. 膠瓶身在遇熱時會大量澎漲,但在冷卻收縮時也同時大量吸收空氣,

Sealing：密封

這種二次電源密封(sealing)用的密封墊板已采用VictrexPEEK樹脂. 密封墊板的要求有如下三點(diǎn):對電解液有很好的耐化學(xué)藥品性,正極罐和負(fù)極罐鉚接時的韌性,無鉛焊錫時的耐熱性,VictrexPEEK樹脂可以完全滿足這些要求.

unlined landfill：非密封性垃圾填埋

unleaded無鉛的;未加鉛的 | unlined landfill非密封性垃圾填埋 | unmanaged ecosystem沒管理的生態(tài)系統(tǒng)

unsealed source：非密封源

非密封放射性物質(zhì) unsealed radioactive material | 非密封源 unsealed source | 無用性;不可用性 unserviceability