Tensile properties and impact properties measurements were done at room temperature. the volume resistivity of rectangular samples was measured using a zc36 electrometer and a high 240a voltage supply, for samples with a low resistivity level a dt - 9205b digital multimeter was used, silver paint was applied to ensure complete contact between sample and electrodes, namely, to eliminate the contact resistance. the phase morphology of blends was also studied using a jeol jsm - 5900lv scanning electron microscope ( sem )
體積電阻率的測定:當r _ v 10 ~ 8時,製成100 100 4mm板材,用zc36型高阻儀測量;當r _ v 10 ~ 8時,用dt - 9205b型數字式萬用表測試試樣的體積電阻,為了減小接觸電阻對測試的影響,採用銀導電膠將銅片粘接在試樣的兩個端面上,靜置24小時,待銀導電膠凝固,試謝長瓊:
熱拉仲對pet / pe / cb復合導電體系形態和性能的影響樣的電阻穩定后再測量。
In this investigation carbon black - filled electrical conductive composites of poly ( ethylene terephthalate ) / polyethylene were first prepared through the single - screw melt - blended extrusion, then drawing, followed by the quenching and subsequent press molding. the relationships among the influencing factors including composition, hot stretching ratio and compatibilizer, morphology and properties of composites were systematically investigated. positive temperature coefficients effect and crystallization behaviors of composites were preliminarily analyzed
本文擬採用單螺桿熔融共混擠出?
熱拉伸?淬冷的新的成型方法制備炭黑填充的pet pe復合導電材料,
熱拉伸的目的是使材料的分散相( pet相)在加工過程中原位形成纖維,而炭黑基本分散在纖維中或纖維的表面上,使炭黑粒子間間距減小,形成更多的導電通路,從而提高材料的導電性能,同時保持或提高材料的力學性能。
By gerard, in jail, poissy, france
熱拉爾寫於法國普瓦希監獄
Etienne - maurice, comte g rard
熱拉爾伯爵
Since then, reports have persistently linked the dutchman with a move away from old trafford
自從那時起,不斷有媒體將荷蘭人與離開老
熱拉福德聯系在一起。
The viceroy will take possession of the village of borodino, and cross by its three bridges, advancing to the same height with morands and grards divisions, which under his leadership will advance to the redoubt and come into line with the other troops of the army
總督要佔領那個村子,然後越過三座橋,協同莫朗和
熱拉爾兩師直趨高地,總督率領這兩個師進攻打多角堡,並與其他部隊投入戰斗。
Our company has many advanced dyeing and finishing equipment such as fong s high temperature package dyeing machine, fong s low noise rapid dryer, fong s flow high temperature dyeing machine, fong s airnospheric overflew dyeing machine, and bruckner high capacity finishing range etc. the company has all kinds of advanced testing instruments, and use environmental protected dyestuff, and the quality of the products was trusted by all the customers
我們公司引進香港立信常溫液流染色機、高溫高壓液流染色機、筒子染色機及德國布魯克納全電腦控制的
熱拉幅定型機等后整理設備。公司配有各種先進測試儀器,使用環保染化料,質量可靠,深受客戶信賴。
That the viceroy will take possession of the village borodino, and cross by its three bridges, following to the same high ground as morands and friants divisions nothing is said of whence and when they were to advance, which under his leadership will advance to the redoubt and form in a line with the other troops
第四項:總督要佔領那個村子波羅底諾,然後越過三座橋,協同莫朗和
熱拉爾兩師直趨高地對他們的行動方向和時間並未發出指示,總督率領兩個師進攻多角堡,並與其他部隊進入戰斗。
With the method of adding nano - particles during extracting stage, dry uhmwpe gel fiber dispersed with nano - particles is prepared, after multi - step hot drawing, modified uhmwpe fibers are prepared
採用萃取加入的方式製成了納米粒子均勻分散的uhm認甲e干凍膠纖維,然後經過多級
熱拉伸,製成納米粒子改性uhm從甲e纖維。
Third the " masterbatches " were porphyrized, and the " masterbatches " and pe were premixed, and were extruded by an extruder. the extrudate was hot - stretched by a take - up device with two pinching rolls to make the microfibers formation, and then palletized
再將其粉碎,按比例與pe在塑料擠出機上擠出並
熱拉伸成片,擠出溫度設定為pet的加工溫度,
熱拉伸的目的是讓pet cb母料形成纖維。
The 47th paris international air show has kicked off at bourget, a paris suburb
第47屆巴黎國際航展在巴黎市郊布爾熱拉開帷幕。