羥鍵 的英文怎麼說

中文拼音 [qiǎngjiàn]
羥鍵 英文
hydroxyl bond
  • 羥 : 名詞[化學] （羥基） hydroxyl （group）
  • 鍵 : 名詞1 [機械工程] （使軸與齒輪、皮帶輪等連接並固定在一起的零件） key 2 [書面語] （插門的金屬棍子）...
  1. This gene may encode the enzyme which may be involved in ga biosynthesis

    Ga羥基化酶為ga合成的關鍵酶。
  2. And tg - dsc. 3. n, n ' - disalicylidenedianilines and its transition metal complexes of nicl2 6h2o are synthesized by liquid and solid state reaction at room temperature, and their thermochromism are investigated by ir, far i. r

    文中的配合物就是其中之一，中心離子是與c = n雙鍵的n原子以及苯環上鄰位的羥基的氧原子同時進行配位的。
  3. The key stage of fabricating gene chip is pretreatment of glass surface including the processes of nh3h2o treatment, aminosilane treatment and aldehyde treatment. the pretreatment can grow active group that can bind probe effectively on the surface of glass slide. as a result, the actively treated glass slide can suit for fabricating in - situ synthesis high density gene chips

    基因晶元制備技術的關鍵步驟是玻片表面預處理，即對玻片表面進行羥基化、氨基化和醛基化處理，使表面生長的活性基團能有效固定寡核苷酸探針，以滿足原位合成高密度基因晶元對玻片的要求。
  4. Objective to observe the effects of the temperature on the determination of hetastarch s characteristic viscosity. methods according to the method three / appendixes vig / part two / chp. 2005. results and conclusion the effects of the temperature on the result of determination are great, the control of the temperature was the key effects on the characteristic viscosity s result

    目的探索在測定羥乙基澱粉中溫度對特性黏數結果的影響.方法參照《中國藥典》 2005年版（二部）附錄g第三法.結果與結論溫度對測定結果影響很大，溫度的控制是測定特性黏數結果的關鍵因素
  5. ( 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。
  6. It was confirmed that the key enzyme of coq10 synthesis is p - hydroxybenzoate polyprenyltransferase, encoded by gene ubia in e. coli and lacks specificity to the aggregation length of its substrate ( polyisoprenyl pyrophosphate ). if gene ubia can be introduced into psb and is high expression in psb, a recombinant strain producing coq10 could be obtained. consequently, the productive cost will decrease sharply

    業已證實coq _ （ 10 ）生物合成的關鍵酶為對羥基苯甲酸聚異戊二烯焦磷酸轉移酶（在大腸桿菌中該酶由ubia基因編碼） ，該類酶對底物聚異戊二烯焦磷酸（ ppp ）的聚合長度並無特殊要求。
  7. As a result, 1 ipophilic products have the highest yield when the reaction time was 70min. the identification of ir spectrometry showed that there are more dissociated hydroxy ( ho - ) and end - groups in the liquefaction products than in the plant cellulose

    經紅外光譜（ ir ）檢測結果表明，液化產物的游離羥基明顯增多，其它的游離端基也是明顯增加，這說明液化反應破壞了纖維素的晶格結構，而且部分水解了糖苷鍵。
  8. 3 ) raman and ir spectroscopy techniques have been used to study kaolinite - organic intercalation mechanism. during the intercalation reaction, the original hydrogen bonds between the al ( o, oh ) (, octahedral hydroxyl groups and the sio4 tetrahedral oxygens were broken, and the new hydrogen bonds between organic molecular and kaolinite were formed

    甲酰胺和聚丙烯酰胺以c = o基與高嶺石內表面羥基形成氫鍵， nh基與高嶺石si - o基形成氫鍵並部分嵌入高嶺石的復三方孔洞。
  9. Ft - ir spectrum show that water insert between the inner layer of kaolinite with potassium acetate, which form hydrogen bond with the inner surface hydroxyl of kaolinite

    傅立葉變換紅外光譜顯示，水和乙酸鉀一同插入到高嶺土的層間，並與高嶺土的內表面羥基形成了氫鍵。
  10. The absorption is ascribe to physical absorption. silane combines with h of hydroxyl on surface of sericite, the absorption is ascribe to chemical absorption. in silane and stearic acid cooperation modification, c = o absorption peak appears in spectrum and the regional vibration of si - o - si becomes wide, which shows the physical absorption of stearic acid and chemical absorption of silane produce an effect on surface of sericite

    採用紅外光譜對絹雲母改性機理進行分析，結果表明，硬脂酸改性絹雲母吸附強度較弱，容易脫附，以物理吸附為主；硅烷改性絹雲母，與絹雲母表面的羥基形成氫鍵，以化學吸附為主；硅烷與硬脂酸復合改性，其光譜中出現了c = o鍵特徵吸收峰，並且si ? o 、 si ? o ? si振動吸收區變寬表明復合偶聯劑在絹雲母表面既有硬脂酸的物理吸附，又有硅烷的化學吸附。
  11. Molecular designs and applications of bonding agents for the high energy hydroxy - terminated polybutadiene propellants

    高能丁羥推進劑用鍵合劑分子設計與應用
  12. Activated membranes for covalent immobilization of hydroxyethyl cellulose ( hec ) and chitosan were obtained by the reaction of microfilitration nylon membrane with activation reagents such as bisxirane, 1, 1 ' - carbonyldiimidazole, epibromohydrin and formaldehyde

    以尼龍膜為基膜，分別將親水性物質羥乙基纖維素和殼聚糖共價鍵合在膜上，制得尼龍羥乙基纖維素復合膜和尼龍殼聚糖復合膜。
  13. Economy ? series of guar gums are absorbed very rapidly on the cellulose fibres owing to their structural similarity with cellulose and in addition they carry a large number of hydroxyl groups, suitable for the formation of hydrogen bonds

    這里的瓜爾膠系列產品都能很快地被纖維細胞所吸收，是由於它們的細胞結構和纖維細胞非常相像，其次它們帶有大量的羥基團適合氫鍵的形成。
  14. By mixing with bioactive fillers, such as hydroxyapatite ( ha ), a bony bond can be established on the interface between the composite material and the host bone. it is considered that a higher interfacial strength resulted from the chemical bonding can prevent the aseptic loosening

    其表面的羥基容易導致彼此之間以氫鍵產生團聚； ha是一種極性的、親水的物質，在弱極性的有機母相中，將產生二次團聚，很難用物理方法解聚。
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