第二种聚酰亚胺聚合物是芳香族四酸二氢化物与芳香族二异氰酸酯反应生成的。
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate.
本文综述了该酶的工业生产及应用领域,如乙醇生产,芳香族氨基酸和手性物质的生物合成等。
The application of transketolase for industrial purpose, such as production of ethanol, biosynthesis of aromatic amino acids and enantiotopic chemicals were reviewed.
不宜在芳香族和酮类溶剂以及强氧化性酸的浸泡环境中使用。
Immersion service in aromatic or ketone solvents and strong oxidizing acids.
苯四酸二酐与芳香二胺反应制得的芳香族聚酰亚胺,具有高耐热应力,用于制造内燃机部件。
An aromatic polyimide made by reacting pyromellitic dianhydride with an aromatic diamine; has high resistance to thermal stresses; used to made components of internal combustion engines.
结果表明:烈香杜鹃精油化学成分以高级脂肪酸酯、酮、芳香族化合物及芳香杂环化合物为主。
The results showed that the volatile constituents of Rhododendron athopogoides Maxim, mainly includes aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds.
结果表明,BSA的芳香族氨基酸残基受到干扰;二级结构也发生了变化。
The results showed the changes of the microenvironment of the aromatic amino acid residues and secondary structure of BSA.
手性非天然的芳香族氨基酸是许多药物和天然产物的重要中间体。
Chiral unnatural aromatic amino acids are key intermediates for medicine and natural products.
探讨了聚醚类芳香族聚氨酯丙烯酸酯的合成工艺及其性能影响因素。
The synthesis of polyether aromatic polyurethane acrylate and its influencing factors were discussed.
含质子酸基交联性芳香族树脂及使用该树脂的离子传导性高分子膜,粘合剂,以及燃料电池。
Crosslinkable aromatic resin having protonic acid group, and ion conductive polymer membrane, binder and fuel cell using the resin.
哺乳动物氨基酸的跨膜运输由多种氨基酸转运载体蛋白介导,其中L型氨基酸转运载体1(LAT1)属于L系统,主要转运大分子支链氨基酸和芳香族中性氨基酸。
L-type amino acid transporter-1 (LAT1) is a member of the sodium-independent amino acid transport system L and transports large branched-chain and aromatic neutral amino acids.
利用IPN技术,对丙烯酸芳香族聚氨酯涂料进行了改性研究。
The aromatic acrylic urethane paint is modified by using IPN technology.
结果表明,纯种固态发酵能代谢生成酸、醇、醛、酮、酯及芳香族化合物等多种物质。
The results showed that MTDF-01 could produce acids, alcohols, aldehydes, ketones, esters and aromatic compounds by pure solid fermentation.
第二种聚 酰亚胺聚合物是芳香族四酸二酐与芳香族二异氰酸酯,在有机溶剂中,在催化剂的作用下,一步法缩合反应制备得到;
The second polyimide polymer is prepared with aromatic tetracid dihydride and aromatic diisocyanate and through a one-step condensation reaction in organic solvent and under the action of catalyst.
在许多的文献报道,保守的芳香族氨基酸可能对高氧化还原电位铁硫蛋白家族中铁硫簇的稳定性有影响。
Many reports proposed that the conserved aromatic residues might be responsible for the stability of the iron-sulfur cluster in HiPIP.
培养基中芳香族氨基酸如l色氨酸、l酪氨酸和l苯丙氨酸的含量影响着d核糖的形成,其含量需严格控制。
The amount of aromatic amino acids such as L-tryptophan, L-tyrosine and L-phenylalanine was important for the accumulation of D-ribose, and its amount need to be controlled precisely.
培养基中芳香族氨基酸如l色氨酸、l酪氨酸和l苯丙氨酸的含量影响着d核糖的形成,其含量需严格控制。
The amount of aromatic amino acids such as L-tryptophan, L-tyrosine and L-phenylalanine was important for the accumulation of D-ribose, and its amount need to be controlled precisely.
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