苯羧酸 的英文怎麼說

中文拼音 [běnsuōsuān]
苯羧酸 英文
benzene carboxylic acid
  • 羧 : 名詞[化學] （羧基） carboxyl
  • 酸 : 酸構詞成分。
  1. Carboxy phenyl dihydroxy arsine

    羧苯亞胂酸
  2. It was originally obtained by decarboxylation of benzoic acid.

    它最先是由苯甲酸脫羧而得到的。
  3. Abstract : the anti - inflammatory effect of n - butanol extract of xanthocerassorbifolia bunge ( bex ) was studied in this paper. the ear edema resulted from dimethyl benzene, paw edema induced by carrageenin, the increase of vascular permeability caused by acetic acid, the chemotaxis of wbc induced by cmc and the weight of cotton granuloma in mice and hind paw edema induced by fresh egg white in rats were inhibited significantly by ig bex daily for 7 days, respectively. the carrageenin - induced paw edema was also inhibited markedly in adrenal - ectomiced mice. no changes in weight of adrenal and the concentration of vitamin c were observed, indicating that the anti - inflammatory effect of bex was not related to pituitary - adrenal system

    文摘:文冠木正丁醇提取物對二甲苯致小鼠耳腫脹、蛋清致大鼠足腫脹、角叉菜膠致小鼠足腫脹、醋酸致小鼠腹腔毛細血管通透性增加、小鼠羧甲基纖維素囊中白細胞遊走、小鼠棉球肉芽腫生長均有顯著的抑制作用，同樣劑量下，文冠木正丁醇提取物對角叉菜膠致去雙側腎上腺小鼠足腫脹仍有顯著的抑制作用，且對小鼠腎上腺重量及腎上腺中維生素c的含量沒有明顯影響。
  4. 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。
  5. 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。
  6. The reaction pathways were proposed as follows : firstly, hydroxylation of aromatic ring, then ring cleavage forming dicarboxylic acid and eventually oxidation to inorganic carbon

    其機理為：首先是苯環羥基化，然後環破裂生成二元羧酸，最後二元羧酸氧化降解為二氧化碳和水。
  7. Anionic surfactants which include petroleum sulfonates, alkylbenzene sulfomates, petroleum carboxylates and ligin sulfonates, in which sulfonate surfactant is the most well known type are widely used in eor

    陰離子型表面活性劑在三次採油中應用最為普遍，它們主要包括石油磺酸鹽、烷基苯磺酸鹽、石油羧酸鹽、木質素磺酸鹽等，而其中以磺酸鹽型最多。
  8. The synthesis technology of various liquid rubbers with different active group terminated, such as hydroxyl - terminated, carboxyl - terminated, isocyanate - terminated, ami - no - terminated, mercaptan - terminated and various main chains like polybutadiene, polyurethane, polystyrene were reviewed with 23 references

    摘要綜述了端羥基、端羧基、端異氰酸酯基、端氨基、端巰基等活性端基，以及聚丁二烯、聚氨酯、聚苯乙烯等不同主鏈結構的液體橡膠的合成技術。
  9. 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。
  10. The pocket accommodating the aromatic ring of phenylalanine is formed predominantly by hydrophobic side - chains, including those of ile10, ile13, prol50, leul75, leul79, phe209, ser211 and val221 ; whilst the amino group and carboxylate group of phenylalanine is coordinated by asp6, asp7, gln151 and ser180. the n - terminal region is found to be important to the function of arog. point mutation reveals that residue substitution of ilelo to ala10 leads to desensitization in the presence of 1 mm phenylalanine, simultaneously, exhibits a dramatic decrease in enzymatic activity

    綜合前人的研究和本研究工作的實驗數據，得出以下結論： 1 ）在arog的反饋抑制位點供苯丙氨酸結合的疏水口袋由asp6 、 asp7 、 ile10 、 ile13 、 pro150 、 gln151 、 leu175 、 leu179 、 ser180 、 phe209 、 ser211和val221等12個氨基酸殘基構成； 2 ）苯丙氨酸結合的疏水口袋分為兩個區域，與苯丙氨酸的苯環發生疏水作用的區域由ile10 、 ile13 、 pro150 、 leu175 、 leu179 、 phe209和val221的側鏈構成，而asp6 、 asp7 、 gln151和ser180的側鏈構成了與苯丙氨酸的氨基和羧基相互作用的區域。
  11. The paper introduces a new highly - effective synthesis method. decoquinate was synthesized with catechol as starting materials via substitution, reduction, and at last cyclization with " dowtherm a " as solvent

    摘要以鄰苯二酚為原料，通過一系列取代反應，再經過還原、縮合，最後在高沸點的混合有機溶劑中關環。制備的3 -喹啉羧酸乙酯衍生物的總收率為24 . 2 % 。
  12. In this study, it has been put forward that taking reactive nanometer magnetic fe304 particles as magnetic nucleus, and the copolymer of styrene ( st ) ? crylic acid ( aa ) as macromolecular shell, we could synthesize, magnetic polymer composite microspheres containing carboxyl groups on their surface, then microspheres are activated by thionylchloride, the surface of such magnetic composite microspheres thus produced had reactive acid chloride groups which then react with the free amino groups of the free soluble enzymes to give peptide bonds ( ? o ? h ?,

    本研究首次提出了以納米級磁性fe _ 3o _ 4粒子為核心，苯乙烯（ st ） ?丙烯酸（ aa ）共聚物為高分子殼層，合成了表面帶羧基的磁性高分子復合微球，然後將這種微球用二氯亞碸進行活化處理，在其表面形成了反應性酰氯基團，該基團可以與游離酶的氨基形成肽鍵，從而將游離酶固定化。
  13. Carboxyethyl ( phenyl ) phosphinic acid with the yield of 69. 2 % was synthesized from phosphorous trichloride, benzene, sodium chloride and acrylic acid

    以三氯化磷、苯、三氯化鋁、氯化鈉、丙烯酸為原料合成了阻燃劑2 -羧乙基苯基次磷酸，收率69 . 2 % 。
  14. 2 with dispersion - polymerization, taking above reactive nanometer magnetic fe304particles as nucleus, and the copolymer of styrene ( st ) ? crylic acid ( aa ) as macromolecular shell, we could synthesize, magnetic polymer composite microspheres containing carboxyl groups on their surface

    2採用分散聚合法，以上述反應型納米磁性fe _ 3o _ 4粒子為核心，苯乙烯（ st ） ?丙烯酸（ aa ）共聚物為高分子殼層，合成了表面帶羧基的磁性高分子復合微球。
  15. 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。
  16. Team a is made of carboxyl styrene, crylic acid assemble matter ; team b is made of silicate cement, quality quarts grit and special active chemical matter

    組分是由羧基苯乙烯、丙烯酸共聚物等組成； b組份是由硅酸鹽水泥、精選的石英砂及特種活性化學物質等組成。
  17. The results show that the yield of terephthalic acid increases and the mass fraction of 4 - carboxybenzaldehyde decreases when the reflux temperature or the reaction pressure increases, or when the reflux ratio decreases, but that the combustion rate of p - xylene and acetic acid increase simultaneously

    計算表明：冷凝迴流溫度的升高、迴流比的降低和反應壓力的升高都導致反應溫度增加，雖然醋酸和對二甲苯的副反應消耗增加，但液相中對羧基苯甲醛的質量分數降低和反應收率增加。
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