酯的形成 的英文怎麼說

中文拼音 [zhǐdexíngchéng]
酯的形成 英文
ester formation
  • 酯 : 名詞[化學] （有機化合物的一類） ester
  • 的 : 4次方是 The fourth power of 2 is direction
  • 成 : Ⅰ動詞1 （完成; 成功） accomplish; succeed 2 （成為; 變為） become; turn into 3 （成全） help comp...
  1. The effects of pressure fermentation on barm propagation, the formation and reduction of diacetyl, the formation of higher alcohols and esters, and beer taste were studied in the experiments

    摘要實驗研究了壓力發酵對酵母繁殖、雙乙酰形成及還原、高級醇和酯的形成，以及啤酒口味等方面的影響。
  2. The properties of polyurethane ionomer were studied, including calorifics, dynamic mechanism and shape memory. comparing to the liner shape memory polyurethane non - ionomer, ionomer has superior effect on shape memory behavior and water vapor permeability especially the water vapor permeability increased from 5 - 8 times of liner smp to 20 - 30 times of ionomers lastly the novel crosslinked shape memory polyurethane was synthesized, which shape recovering temperature were randomly controlled and can completely recover original shape. the properties of polyurethane were studied, including calorifics, dynamic mechanism and shape memory

    然後，在此基礎上合成了離子型形狀記憶聚氨酯材料，對其熱性能、動態力學性能、形狀記憶性能、透濕氣性能進行了研究，並與普通非離子型形狀記憶聚氨酯進行了比較，研究發現離子型形狀記憶聚氨酯具有更大的軟段結晶度、更好的形狀記憶性能、更優越的力學性能和透濕氣性能，尤其是其透濕氣性能有了非常顯著的提高，其高溫段濕氣滲透率是其低溫段濕氣滲透率的20 30倍，遠遠大於線型形狀記憶聚氨酯的5 8倍。
  3. Pcl could form banded spherulites through blending with poly ( bisphenol a - co - decane ) lamellar structures of banded spherulites of poly ( s - caprolactone ) / poly ( vinyl chloride ) ( pcl / pvc ) blends were observed using tapping mode atomic force microscopy ( afm )

    利用原子力顯微鏡（ afm ）的輕敲（ tapping ）模式，系統地研究了聚-己內酯聚氯乙烯共混體系形成的環帶球晶表面形貌和片晶結構。
  4. [ objective ] heparin is linear polysaccharides consisting of repeating disaccharide unit backbones of n - acetyl - d - glucosamine that is linked to d - glucuronic acid. the disaccharide repeat unit can be modified to include n - and o - sulfation ( 6 - o and 3 - o sulfation of the glucosamine and 2 - o sulfation of the uronic acid ). these specific sulfate patterns are involved in the interaction of heparin with other molecules

    [目的]肝素是由n -乙酰葡萄糖胺與d -葡萄糖醛酸以1 4糖苷鍵連接起來的重復二糖單位組成的線性多糖，葡萄糖胺可帶有n -硫酸基團，可在c6上形成0 -硫酸酯，帶有硫酸基團的獨特結構參與了肝素與其他分子的相互作用。
  5. The polyester fibre of resisting bacterium is one without which people can t live in modern times, but how to restrain the bacterium propagating excessively and keep people in health is a most important goal that fabrics and clothing industry are striving for. fibre of resisting bacterium can kill the bacterium effectively with the ratio of more than 99 % and it can restrain microbes. the polyester fibre of resisting ultraviolet radiation is also widely used. with the decreasing of ozonospheres in the atmosphere, there are more ultraviolet radiation in the sunlight which do harm to our skin, especially for those men working outdoors, it is more important to think about the way to lessen the harm. the polyester of burning - resisting has attracted more attention at home and abroad and burning - resisting textiles has been advanced definitely by law in many countries. our nation has also made strict claims in some special areas, such as fabrics in vehiciles and vessels, decorative fabrics in hotels. the everlasting burning - resisting fibres and textiles are badly needed. infrared ray fibre is also a new functional one that can absorb and reflect infrared ray after being processed physically. it s functions include physical therapy wet - ejecting and bacterium - restraining. this warm - preserving material can absorb the emitting heat from our bodies, at the same time it can also absorb and reflect the needed 4 - 14 urn wavelength ultraviolet radiation and accelerate netaboiism. fibre of resisting infrared ray is important in military areas

    抗菌纖維具有永久的抗菌性，對金黃色葡萄球菌、大腸桿菌殺菌率大於99 ，能有效抑制細菌繁殖，起到抗菌防臭作用；抗紫外線聚酯纖維的用途也是異常廣泛的，隨著大氣層中臭氧層的日漸稀薄，日光中的紫外線日益增加，對人體皮膚形成極大危害，尤其對于長期從事野外工作的人，因此設法減少紫外線對人體的傷害顯得尤為重要；阻燃聚酯纖維則是一種倍受國內外人士密切關注的纖維，紡織品阻燃在許多國家已有明確法令規定，我國也逐漸在某些特殊使用范圍做嚴格要求，如車船內用紡織品，高級賓館的內裝飾織物等，而且具持久性阻燃性的纖維和織物是現在更為需要的，真可謂用途非常廣泛；遠紅外纖維也是一種經過物理改性后具有吸收並反射遠紅外線的新型功能性纖維，是一種具有優良理療功能、熱效應功能和排濕透氣抑菌功能的新型紡織材料及保溫材料，能吸收人體自身向外散發的熱量，吸收並反射回人體最需要的4 14 m波長的遠紅外線，促進人體的新陳代謝；抗紅外線纖維，則在軍事上有著重要的作用。
  6. Fuyuan comapny had started to specialized develop, study and produce the technology of polyurethane productions since 1990. at present, it owns about 30 million of fixed assets, we built nearly 10000 square meters workshop of international standard in weihai hi - tech develop zoon, and there were fully equipped water, power, steam and communication apparatus. we had 4 sets high - power pu foaming machines from italy, and a lot of advanced and perfect devices for chemical examination, and now we have the ability of production for 5 million polyurethane flat - free tyres pu tyres and 1000, 000 pieces polyurethane spare parts for automobile

    本公司自1990年開始專業從事聚氨酯產品的技術開發研究與生產。目前擁有固定資產三千余萬元，在國家級的威海高技術產業開發區建設近萬平方米的國際標準廠房，水電汽通訊等設施全。裝備有義大利進口的聚氨酯高壓發泡設備4臺套，並且具備先進完備的化驗檢測試驗裝置，現已形成年產各種規格的聚氨酯無充氣輪胎五百萬條和聚氨酯汽車內外裝飾件十萬件的生產能力。
  7. The product is adopting the numerator that the united states first enter synthesize the craft, the numerator that pass science designs, make epoxy and water polyurethane the combination, form polymers has each other thing of wearing the network construction, and join the functional monomer to it make the product can polymerize in normal temperature ; at 50 degress reporters conditions, the degree will be higher. make water - paint have excellent hardness, luster, chubbiness and attrition resistance, water resistance ， ethanol resistance ; make the water - paint with the product has epoxy and polyurethane excellent capability

    該產品採用美國最先進的高分子合成工藝，通過科學的分子設計，使環氧樹脂與水性聚氨酯分散體有機地結合，形成具有互穿網路結構的高分子聚合物；並通過功能性單體的引入賦予該產品常溫自交聯功能，在50條件下成膜，交聯度會更高；使漆膜具有極好的硬度、光澤、豐滿度、耐水性及耐磨性，使配置的水性漆兼具聚氨酯及環氧樹脂的優異性能。
  8. The product is adopting the numerator that the united states first enter synthesize the craft, the numerator that pass science designs, make epoxy and water polyurethane the combination, form polymers has each other thing of wearing the network construction, and join the functional monomer to it make the product can polymerize in normal temperature ; make coating have excellent hardness, luster, chubbiness and attrition resistance, water resistance ， ethanol resistance ; make the water - paint with the product has epoxy and polyurethane excellent capability

    該產品採用美國最先進的高分子合成工藝，通過科學的分子設計，使環氧樹脂與水性聚氨酯分散體有機地結合，形成具有互穿網路結構的高分子聚合物；並通過功能性單體的引入賦予該產品常溫自交聯功能，使漆膜具有極好的硬度、光澤、豐滿度、耐水性及耐磨性，使配置的水性漆兼具聚氨酯及環氧樹脂的優異性能。
  9. The theory hypothesis of " pore restriction " is first proposed in this paper. during polymerization, one end of linear molecule inserts the channels of zeolite to form hard end through chemical bond or supermolecule acting force, the other end forms soft end through condensing or polymerizing with other monomer molecule. on the basis of the theory hypothesis, a kind of novel pattern of organic - inorganic composite materials - pu / zeolite composite materials - has been designed

    本文首次提出了「孔約束」的理論假說，即在高分子材料聚合過程中，線型分子的一端通過化學鍵或超分子作用力插入分子篩的孔道中形成硬端，而另一端則與其它單體分子縮合或聚合形成高分子材料的軟端；在此假說的基礎上，設計了一類孔約束型有機?無機復合高分子材料的新模式，即聚氨酯/沸石分子篩復合材料。
  10. Scanning electron microscope ( sem ) and x - ray photoelectron spectroscopy ( xps ) studies indicated that the additive of cs _ 2 took part in the sei film - forming in the process of battery cycles. the elements of carbon, oxygen and fluorin are the main members in the compounds of sei film. sulfur is also one of the main elements of the sei film when the electrolyte included additive of cs _ 2

    利用掃描電子顯微鏡和x射線光電子能譜研究表明，二硫化碳在電池的循環過程中參與了sei膜的形成， sei膜的組成物質中主要是c 、 o 、 f三種元素，加入二硫化碳后， s元素也成為主要組分， sei膜的主要組成物質有烷基氧鋰、烷基碳酸酯鋰、碳酸鋰、硫酸鹽、聚烯烴及氟化鋰等。
  11. It was found that the high, ystallinity of the soft segment regions and the formation of hard segment domains are the necessary conditions for polyurethane with good shape memory behavior. secondly, shape memory polyurethane ionomer was synthesized

    並從結構與性能的關系入手，深入探討了形狀記憶聚氨酯的結構對其形狀記憶性能的影響，發現軟段高度結晶和硬段聚集形成硬段微區是聚氨酯具有較好形狀記憶性能的必要條件。
  12. Effect of coixenolide on the colony formation of human nasopharyngeal carcinoma cell line cne - 2z

    薏苡仁酯對人鼻咽癌細胞克隆形成的影響
  13. By means of the elasto - plastic finite element method ( fem ), the effect of fillets on the stress distribution in aluminum alloy single lap joints was investigated under the condition of four types of adhesives with different elastic modulus ( i. e. acrylate, polyurethane, epoxy and phenolic - resin adhesives ) to form the fillets

    摘要利用彈塑性有限元法，研究四種不同彈性模量的膠粘劑（丙烯酸酯膠、聚氨基甲酸乙酯膠、環氧樹脂膠和酚醛樹脂膠粘劑等）形成的膠瘤對鋁合金單搭接接頭應力分佈的影響。
  14. ( 3 ) volume shrinkage of composite decreases greatly with wpu increasing, even can arrive a negative number, but thermal stability is still good. ( 4 ) toughening mechanism is that : the formation of high molecular linear amino formate construct is the toughening reason ; hydroxyl - terminated pu - prepolymer and pf react to produce chemical bond effect which participate cure ; carboxyl - terminated pu - prepolymer and pf form semi - ipn which make toughened pf occur maximum

    （ 4 ）通過紅外光譜對pf / pu共混物分子結構進行的定性分析、以及掃描電鏡對沖擊斷面形貌進行的分析，可證明聚氨酯預聚物增韌酚醛樹脂的機理是：兩個體系都是由於高分子量的線形氨基甲酸酯結構而增韌；端羥基pu與pf在共固化中產生化學鍵效應，參與pf的固化；而端羧基pu則與pf形成半互穿網路而增韌。
  15. Glycolipids ( glycosyldiacylglycerols ) are diacylglycerols with a sugar attached to the unesterified hydroxyl group

    糖酯類物質是由甘油二酯和糖結合未酯化的羥基形成的。
  16. The shape memory polyurethane studied in this article is the most notable smart material because of excellent properties and broad using field

    本文所合成和研究的形狀記憶聚氨酯材料就是該類智能材料中最引人注目的一種，它具有出眾的性能和寬廣的應用領域。
  17. Phenyl group introducing to cholesteryl ester molecules can enhance the phase transition temperatures of the liquid crystals and their stability. an increase in the chain length for cholesteryl dicarboxylate samples reduced stability of liquid crystal phases. while coattail - like structures on the ester group of the molecules have an adverse effect to form cholesteryl liquid crystal phase

    化學結構對液晶性的影響表現為：分子中引入苯環剛性結構可以提高液晶的相變溫度和穩定性；脂族二羧酸膽甾醇酯中脂肪鏈的長度增加會降低液晶的穩定性；而末端含有燕尾結構則對液晶態的形成產生不利影響。
  18. Side chain polyurethanes with azo group are characterized and confirmed by ftir, uv - vis, dsc, vpo, z - scan, polarize microscope. the results show that the end - group and the flexibility of main chain affects the growing up of liquid crystalline phase greatly. because the determinable way of detection is defective, it was not founded the liquid crystalline behavior obviously contributes to the non1inear optical thection

    最後，在分析討論實驗結果的基礎上，指出側鏈型聚氨酯液晶中側鏈介晶基元的末端基團及主鏈的柔性對其液晶態的形成有重要影響；由於檢測手段的不齊備，未能觀察到熔致型聚氨酯液晶的液晶行為對其非線性光學效應的貢獻作用。
  19. The preparation, composition and application technology of the uv - curable photosensitive ink for build - up multilayer ( bumb ) were studied and the effect of cyrante resin mass percentage composition on ink was investigated and the problems of underdevelopment and overdevelopment were analyzed in this paper

    摘要研究了積層電路板用uv固化光敏油墨的製作、配方和應用工藝，考察了氰酸酯樹脂的含量對油墨性能的影響，分析了過顯和顯影不足問題的形成及原因。
  20. Folic acid is the synthetic form of the b vitamin folate, which is found naturally in green vegetables, like spinach and broccoli, in oranges and orange juice, and dried beans and peas, among other foods

    葉酸是b族維生素葉酸酯的合成形式，後者以天然形式存在於菠菜，椰菜等綠色蔬菜，橘子，橘汁，乾菜豆，干豌豆和其他一些食物中。
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