In order to reduce error of experimental data treatment, to strengthen accuracy of the result in conductivity determination of the dissociation constant of acetic acid, and also to further synthesis of experiment for training students' ability to treat data and to graph with computer, both Excel and calculator with statistical function have been utilized to perform a linear regression analysis of temperature-limiting molal conductivity of acetic acid solution.

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Provide various specifications of the thermal conductivity of silica fabrics / films, films with silica gel hot heat Laminated Materials, CD-ROM Anti-slip silicone pad dedicated, transparent silicone tube, flame-retardant silicone casing, thermal conductivity soft gel tablets, high temperature resistant silicone sealed tube / article, TFT-LCD with buffer shading silicone membrane, eggbeater with silicone tube (core material: stainless steel), PCB hot silicone cushion gaskets, such as a few more than ten kinds of series, million kinds of silicone products specifications.

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Study on the electrical conductivity, thermal conductivity and thermal shock performance of high temperature adhesives

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The conductivity of the membrane was measured by AC impedance method ,it was showed that the conductivity of the membrane prepared by electrodeposit method could get up to 10 -2 S/cm,the denseness of the membrane was investigated with a lab made negative pressure system,and it was found that the permeability of the membrane decreased by over 95% in the case of ca 2% phosphate deposit.

采用電化學(xué)沉積法和溶膠凝膠法制備了一種磷酸鹽無機質(zhì)子傳導(dǎo)膜禁18AV，交流阻抗法測得電化學(xué)沉積法制得的膜的電導(dǎo)率可達 10 -2 S/cm ，負壓滲透系統(tǒng)研究膜的密實性表明：在磷酸鹽沉積量為 2 %左右時欧美456正片，膜的透過性可降低 95 %以上不卡能看的黄色网站一区二区。

The study was supported by National Nature Science Foundation of China of ""Biological foundation study of electrical indexes assessing tree vigor"". The mechanism of tree's leaf and stem capacitance and the application of electrical indexes under environmental stresses were studied. The main conclusions are summarized as following:(1) The leaf capacitance had significant positive correlations with leaf exosmosis electro conductivity, exosmosis percentage and leaf absolute moisture content, had significant negative correlations with leaf electrolyte electro conductivity and had no correlations with leaf relative water content.

本研究在國家自然科學(xué)基金"林木健康狀況評價的電指標(biāo)生物學(xué)基礎(chǔ)"的支持下，對樹體葉片電容和樹體干部電容的機理及外界脅迫因素作用對樹體電指標(biāo)的影響進行了初步研究www.草草影视.com，研究的主要結(jié)論包括：(1)樹木葉片電容與單位質(zhì)量葉片離子外滲液電導(dǎo)率国产黄片AV无码、葉片細胞離子外滲百分率及葉片絕對含水率呈顯著的正相關(guān)關(guān)系，與單位質(zhì)量葉片總電導(dǎo)率呈顯著的負相關(guān)關(guān)系久草久草视频，與葉片相對含水率的相關(guān)性不顯著。

The experimental data shows that the electron hole conductivity increases and free electron conductivity decreases with the increasing of the slag temperature.

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The results showed that the mobility of free carriers is the key inluencing factor on the electrical conductivity of intrinsic nc-Si: H films but the effect of free carrier concentration is finite, while the free carrier concentration and mobility are both the main influencing factors on the electrical conductivity of phosphorus-doped nc-Si: H films. Its transportability can be reasonably explained by a HQD model.

研究結(jié)果表明影響本征納米硅電導(dǎo)率的主導(dǎo)因素是載流子的遷移率玖玖在线视频，而自由載流子濃度影響有限亚洲Av人妻无码天堂；影響摻磷納米硅薄膜電導(dǎo)率的因素既包括磷摻雜產(chǎn)生的自由載流子，又包括遷移率欧美性爱自拍小视频，其輸運過程可用量子點隧穿模型合理解釋。

The study shows that the pressure transient curve of fractured wells in closed circular formation can be divided into six different flow regimes. In condition of the same fracture opening width and fracture length, compared to rectangular fracture, the pressure drop with tapered fracture is bigger, and the dimensionless pressure and pressure derivative curves are higher. In condition of the same fracture opening permeability, compared to linear declining and constant conductivity fractures, the pressure drop with exponential declining conductivity fracture is the biggest, and the dimensionless pressure and pressure derivative curves are the highest.

研究結(jié)果表明：圓形封閉地層壓裂井的壓力動態(tài)曲線可以劃分為6個流動階段www.大色网.com；在相同裂縫開口寬度和相同裂縫長度的條件下，與矩形裂縫相比，楔形裂縫壓力消耗大夜夜大片网，表現(xiàn)為無因次壓力及壓力導(dǎo)數(shù)曲線越高欧美AA视频网站；在相同裂縫開口滲透率的條件下，與導(dǎo)流能力呈線性降低的裂縫以及常導(dǎo)流能力裂縫相比欧欧美一级清，導(dǎo)流能力呈冪指數(shù)降低的裂縫壓力消耗最大尹人香蕉免费一级毛片，表現(xiàn)為無因次壓力及壓力導(dǎo)數(shù)曲線最高国产综合久久久久。

The density is in 150~2200 kg/m3 and the thermal conductivity is 0.0599W/m·K, density of 150 ~ 2200 kg/m3, thermal conductivity for 0.0599W / m · K. It has a great many merit such as anti-aging, thermal insulation, incombustible, environmental protection, benefit waste, acoustic, noise, low-cost (production cost of 40 ~ 70 yuan / m3), which is a waste of new energy-saving insulation materials benefit.

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With the impact extrusion of chrome and copper the electric mouths as well as submerged are welding mouths enjoy the properties of high conductivity, highstrength, wearability and longevity, which all measure up with JB4281-86, JB/T7598-94 and conductivity of Luo rigidity promulgated by the State, Inteneration and temperature have attained the top level of China and the products have already been applied in various car manufactories in China.

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