low-temperature polymer 中文意思是什麼

low-temperature polymer 解釋
低溫聚合物
  • low : adj 1 低的；淺的，矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • temperature : n. 1. 溫度，氣溫。2. 體溫。3. 〈口語〉發燒，高燒。
  • polymer : n. 【化學】聚合體，聚合物，多聚物。 high molecular polymers 高聚物，高分子聚合物。adj. -ic
  1. Now the ion conductivity of gel polymer electrolyte ( gpe ) can reach the magnitude of 10 - 3s / cm, which can satisfy the practical request. however, it is still lower than that of liquid electrolyte ( 10 - 2 s / cm ), which causes the fall of high rate discharge and low temperature performance of lithium battery

    目前凝膠聚合物電解質（ gpe ）的室溫離子電導率可達10 ~ （ - 3 ） s cm數量級，已經能基本滿足應用的要求，但相比液態電解液的電導率（ 10 ~ （ - 2 ） s cm ） ， gpe的電導率仍然偏低，使得凝膠聚合物鋰離子電池的高充放電速率和低溫性能都大大的降低。
  2. Analysis on the causes of damage, this paper modified the meijia bitumen materials in order to enhance the low temperature capacity of bitumen and bituminous mixture through the polymer. emphasis on the study of low temperature capacity of modified asphalt and bituminous mixture, we utilize reasonable construction craft to avoid the cracks problem between bituminous mixture and bridge and give a advance way of small or moderate span bridge expansion joint in low temperature areas

    針對這一缺陷，本文通過添加熱塑性橡膠類改性劑和橡膠類改性劑，對美佳改性瀝青結合料進行二次改性，重點研究了改性后瀝青結合料和混合料的低溫性能，並採用合理的施工工藝解決填縫料與梁端間存在的界面裂縫問題。
  3. The apparent activation volume calculated by the model is about 2500a3, which was ten times larger than that of usual amorphous alloy and was at the same range of the amorphous polymer. the model shows the main deformation mechanism of nanocrystalline ag is grain boundary sliding, which in some extent declares the similar forms of equation with amorphous alloys. with the ananlysis to the hrem of nanocrystalline ag, the discrepancy of the apparent activation volume between the nanocrystalline ag and amorphous alloys is interpreted by the loss of atoms participating in grain boundary sliding without enough reconstruction by the movement of atoms under the low temperature

    運用晶界滑移的熱激活理論對壓縮實驗結果進行了數值擬合，擬合曲線與實驗數據符合很好，得到了晶界滑移的表觀激活體積（熱激活基本單位體積與局域瞬態應變的乘積） ，約為2500a ~ 3 ，先當于幾十個原子體積大小的瞬態變化，約為非晶合金的10倍以上，與非晶高聚物的表觀激活體積相當。
  4. When the proportion of polymer and cement is high, the continuous phase is made up of polymer, the inorganic particles are dispersed in the polymer phrase, so the films have good extensional performance and low temperature flexibility ; when its proportion is low, the hydrated cement forms the local rigid gel network, so extensional performance and low temperature flexibility of films reduce obviously, but the resistance to water, ultraviolet and thermal ageing of films is improved

    高聚灰比時，聚合物構成了連續相，水泥等以粒狀分散在聚合物中，塗膜具有優良的延伸性和低溫柔性；低聚灰比時，水泥水化形成了剛性的局部凝膠網路，使塗膜的延伸性和低溫柔性都顯著降低，但可提高塗膜的耐水、耐紫外老化和耐熱老化能力。
  5. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用有機金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔，分別獲得了高產率和高分子量的聚苯乙炔.使用uv ， ir ， nmr ， gpc等分別對聚合物結構進行了表徵.採用不同波長的激發光對聚合物熒光性能進行研究，詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現，不同聚合物結構對聚合物熒光性能產生很大影響，規整性高的聚合物，將有較高的發光量子效率；聚合物規整性差，將可能導致多個熒光發光結構點，其熒光強度降低.聚合物熒光光譜研究將對某些共軛聚合物結構的規整性分析提供一些有用的信息
  6. The results at normal temperature have shown that klc of high polymer bonded explosive are very low comparing to metals and some high polymer materials, thus the ability of pbxs to resist crack expanding is very poor, and once some cracks occur inner a structural part of pbxs, the structure will fail very soon and easily. so in the process of machining and production, cracks should be avoided carefully in pbxs parts. some important laws about klc of the three typical pbxs above changes with temperature have been obtained as follows : a

    對三種具有代表性的高聚物粘結炸藥j1 、 j2和j3在常溫下的平面應變斷裂韌度進行了測試與研究，研究結果表明：相對于金屬及某些高分子材料而言，高聚物粘結炸藥的k _ （ ic ）值很低，即高聚物粘結炸藥的抗裂紋擴展能力是極差的，一旦炸藥構件中產生了裂紋，炸藥構件將極易破壞，因此，在高聚物粘結炸藥構件的生產及加工過程中，應避免裂紋的產生。
  7. The preceramic polymer pyrolysis appearing in late 20th century is a new route to fabricate porous ceramics, and it has attracted increasing attention in recent years because of its many advantages, such as low sintering temperature, flexible processing route, high fracture strength, and so on

    先驅體轉化法制備多孔陶瓷是20世紀末才出現的一種新型工藝，它具有燒結溫度低、成型工藝簡單、所得製品強度高等優點，引起了科學技術界的廣泛興趣。
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