類羧酸的 的英文怎麼說

中文拼音 [lèisuōsuānde]
類羧酸的 英文
carboxylic
  • 類 : Ⅰ名1 （許多相似或相同的事物的綜合; 種類） class; category; kind; type 2 （姓氏） a surname Ⅱ動詞...
  • 羧 : 名詞[化學] （羧基） carboxyl
  • 酸 : 酸構詞成分。
  • 的 : 4次方是 The fourth power of 2 is direction
  1. Long chain alkyl benzenes is the product of cyclization - decarboxylation - aromatization of fatty acid, with the help of clay minerals catalytic effect, which comes from bacteria, seaseed and higher plant lipid ; or the reaction product of monocylic aromatics and fatty acid alkyl group under the same conditions

    長鏈烷基苯主要是細菌、藻類和高等植物類脂化合物中脂肪酸在粘土礦物催化下發生環化脫羧再芳構化或單環芳烴與脂肪酸烷基化反應形成的產物。
  2. Hi this thesis, the setting time of various retarders had been tested, in which three retarders with good retarding action, citric acid, sodium tripolyphosphate, bone glue are respectively chosen from three types of retarders, hydroxyl carboxylic acid type, phosphate type and protein type, and the strength and setting time of gypsum added with them are determined. effect of some factors, such as ph value, fineness of hemihydrate, type of gypsum on the retarding action of the retarders is also studied

    本文對多種緩凝劑進行凝結時間測試，選擇效果良好的羥基羧酸、無機鹽和蛋白質類型的三種緩凝劑：檸檬酸、多聚磷酸鈉和骨膠，測定它們對石膏凝結時間、強度等宏觀性能的影響，並分別研究ph值、石膏細度和石膏種類等因素對它們的緩凝效果的影響。
  3. Acetyl coa plays a key role in metabolism, being a precursor of the krebs cycle and glyoxylate cycle, and the starting point for synthesis of fatty acids, terpenes, and some amino acids

    它在新陳代謝的過程中扮演非常重要的角色，是三羧酸循環和乙醛酸循環的前體物質，而且還是合成脂肪酸，萜類以及一些氨基酸的起始。
  4. It is most efficient in clearing the peptide bonds on the c-terminal side of such amino acids tyrosine.

    它對裂開諸如酪氨酸這類氨基酸的羧基末端的側肽鏈最為有效。
  5. Abstract : researches on unformaldehyde unironing finishing are summarized in this paper. functions and deficiencies of glyoralamido, water soluble heat reactive polyure thane, bishydroxyethyl - sulfoue, natural high precision chitosan, reactive organosilicon, amyloidosis epoxide, multiple carboxyl acid compound are also analyzed and compared

    文摘:綜述了無甲醛免燙整理方面的研究，分析比較了乙二醛-酰胺類整理劑、水溶熱反應性聚氨酯、雙羥乙基碸、天然高聚物殼聚糖、反應性的有機硅、澱粉改性物、環氧類整理劑、多羧酸化合物等無甲醛抗皺整理劑的功能以及各種整理劑存在的不足
  6. A super acylation catalyst, 4 - dimethylamino pyridine ( dmap ), was prepared and used to synthesize cholesteryl ester compounds. four kinds of cholesteryl ester compounds such as cholesteryl p - alkoxyl benzoate, cholesteryl dicarboxylate, cholesteryl lumequeic ester and coattail - like cholesteryl ester were synthesized by acylation method and super acylation catalyst method. chemical structures and liquid crystal behaviors of the synthesized samples have been characterized by using element analysis, ftir, dsc and polarized microscopy with a hot stage

    本文合成了高效酰化催化劑4 -二甲基氨基吡啶（ 4 - dimethylaminopyridine ， dmap ） ，採用酰氯化法和高效酰化催化劑法分別合成了對烷氧基苯甲酸膽甾醇酯、對稱脂族二羧酸膽甾醇酯、烯酸膽甾醇酯及燕尾型膽甾醇酯四類膽甾醇酯衍生物，並進行了化學結構和液晶性能的表徵。
  7. The hnadcs ( human na + / dicarboxylate cotransporter 3 ) mediates the transport of krebs cycle intermediates, such as succinate, citrate and a - ketoglutarate, across the plasma membrane of many epithelial cells

    人鈉二羧酸協同轉運蛋白3 （ humanna ~ + dicarboxylatecotransporter3 ， hnadc3 ）基因的編碼產物是位於多種上皮細胞膜表面的一類介導琥珀酸、枸櫞酸及-酮戊二酸等三羧酸循環中間產物轉運的蛋白。
  8. The classification of carboxylic ester hydrolytic reaction and effect on hydrolytic reaction

    羧酸酯水解的類型及影響因素
  9. The effect of different additives, such as carboxylate and magnesium chlorate, etc., on the caoxa crystal was investigated in liposomes

    討論了不同種類羧酸鹽、氯化鎂和膽固醇等添加劑對囊泡中草酸鈣晶體物相產生影響的機理及其作用規律。
  10. Methods of analysis of wood preservatives and treated timber - determination of carboxylic acid type in zinc and copper carboxylate preservative solutions by gas chromatography

    木材防腐劑和經過防腐處理的木材的分析方法.用氣相色譜法測定鋅和銅羧酸鹽中羧酸的類型
  11. Gas chromatography - mass spectrometry ( gc - ms ) analyses showed that both potassium permanganate and chlorine could oxidate the organic matters with unsaturated functional groups into those with carboxyl, hydroxyl and aldehyde. and it was further revealed that after preoxidation by potassium permanganate, the sorts of organic matters were reduced remarkably, however, chlorination leaded to increase of the sorts of orgnic matters and brought some chloro - organics such as chlorobenzene, chlorophenol, and trichloro - ethane

    通過色譜-質譜聯用（ gc - ms ）評價分析了高錳酸鉀和氯對有機物結構的改變，高錳酸鉀和氯均將原水中的一些不飽和性有機物氧化分解為一些含氧基團的有機物，如羧酸類、醇類和醛等有機物，但預氯化會在水中出現一些鹵代物，鹵代產物不僅出現在苯環上，而且出現在鏈烴上。
  12. O - or n - alkylation was carried out directly by simple heating the mixture of carboxylic acid or amine with quaternary ammonium salt

    將羧酸或胺類化合物與季銨鹽進行簡單的混合加熱，便可直接得到o -或n -烷基化產物。
  13. In carboxyl acid material vapors, the films had the highest sensitivity to the formic acid vapor

    在羧酸類物質中又以對甲酸蒸氣的響應靈敏度最高。
  14. Measurement to a series of organic vapors indicated that the films possessed fine response properties to carboxyl acid vapors

    通過對多種有機蒸氣的測量后發現，摻胺碳膜對羧酸類物質具有優良的選擇性響應。
  15. In this paper, a new class of concrete high performance water reducer ( hpwr ) was designed from chemical classification of high performance wra, working principle and unit structure model of poly - carboxylate series wra. the comb - like copolymer structure of hpwr was " carboxylic group - ether link - ester link ". the synthetic chemical materials was polyethylene glycil, acrylic acid and methyl - metacrylic acid ester

    本文從高性能減水劑的化學結構、作用機理以及聚羧酸類減水劑的單元結構模型出發，設計出國內所沒有的一類新型高性能減水劑? ? 「羧酸?醚鍵?酯鍵」為單元結構模型的梳型分子結構的減水劑共聚物，並確定了以聚乙二醇（ peg ）系列、丙烯酸（ aa ） 、甲基丙烯酸甲酯（ mma ）為合成該類減水劑的主要化學原料。
  16. Experiments with several types of carboxylic acid have been done to inquire into their reactions with potassium permanganate solution so as to find out the changes affected by different density of reactor, temperature of reaction and structure of carboxylic acid

    摘要以幾種不同類型的羧酸為例進行羧酸與高錳酸鉀溶液反應的實驗探究，分析了反應物的濃度、反應的溫度及羧酸結構對反應的影響。
  17. The synthesis and current application situations of efficient series of water - reducers, such as melamines, aliphatics, aminosul - phonic acids and polycarboxylates were introduced emphatically

    並著重介紹三聚氰胺系、脂肪族、氨基磺酸系和聚羧酸系等幾類高效減水劑的合成及應用現狀。
  18. Recent advances of chiral metal catalysts for cyclopropanation are reviewed in this paper. the chiral catalysts include metal complexes with schiff base, oxazoline, porphyrin metal, bipyridine, terpyridine, carboxylate, etc

    摘要總結了近年來關于環丙烷化反應中各種手性金屬催化劑的研究進展，包括席夫堿、惡唑啉、卟啉、聯吡啶及四吡啶、羧酸酯等類型的手性化合物作為配體的金屬催化劑。
  19. Peg and superfluous aa reaction by complete concatenation method, the esterify production " esterify water " and acid number were mensurated, it shows that the esterify reaction would be processed under 100 esterify temperature and with amine accelerantthe tide of esterify reaction was substantiated by ir. in the ir spectrum, the characteristic peak of hydroxy of peg and carboxyl of aa were weakened. and the ester link of peg was reinforce. the " esterify water " was increased gradually and the acid number of esterify production was debased gradually along with the extent of esterify time and the augmentation of molecular weight of peg

    通過聚乙二醇與過量的丙烯酸採用全連續法進行反應，測定酯化產物「酯化水」和酸值等宏觀手段反映出在胺類促進劑、 100的酯化溫度等條件下的酯化進程，而利用紅外光譜（ ir ）分析所反映的聚乙二醇的羥基和丙烯酸的羧基特徵峰減弱，而pea的酯基特徵峰加強等特徵進一步證實了宏觀手段所表現出來的酯化趨勢：隨著酯化時間的延長和聚乙二醇分子量的增大，產生的「酯化水」逐漸增加，酯化產物的酸值逐漸降低；從酯化時間看，當反應時間達到300min時，酯化物的酸值達到最小，而從ir分析來看，酯化物pea4的羥基峰在300min時減弱到最小， pea23在120min時羥基峰的表現出酯化基本完全。
  20. In this paper, the new development of research on copolymer scale inhibitor and dispersant was introduced in details from several aspects, such as natural polymer scale inhibitors, carboxylic acid copolymer scale inhibitors, sulfonic acid copolymer scale inhibitors, phosphor - containing polymer scale inhibitors and new green copolymer scale inhibitors etc. some advices on the development of research on copolymer scale inhibitor were put forward

    從天然聚合物、羧酸類聚合物、磺酸類聚合物、含磷聚合物以及新型綠色聚合物等幾個方面，介紹了我國聚合物阻垢劑的研究新進展，並提出其今後發展的一些建議。
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