A vitamin is a chemical compound that cannot be synthesized by the human body. 维生素是一种人体无法合成的化合物。
A wide range of compounds related to adenine have been synthesized and tested in a number of bioassays. 人工合成了许多和腺嘌呤有关的化合物,并用几种生物鉴定法试验过。
In Han Fei Zi all previous teachings of the legalist thinkers were synthesized and brought to their highest development. 《韩非子》集法家思想之大成。
Butyraldehyde glycol acetal was synthesized from butyraldehyde and glycol by using iodine as catalyst. 以单质碘为催化剂,通过丁醛和乙二醇反应合成了丁醛乙二醇缩醛。
These enzymes are synthesized at the expense of reserve proteins mobilized in the aleurone vacuoles. 这些酶是消耗糊粉液泡中被动用的贮藏蛋白合成的。
Styrene-butyl acrylate copolymer wAS synthesized and its behaviors AS solid phASe microextraction ( SPME) adsorbent were studied. 合成了苯乙烯-丙烯酸丁酯共聚物,研究了此聚合物作为固相微萃取吸附质的性能。
Properties automatically have private backing fields with get methods synthesized. 属性自动拥有了私有的、合成了get方法的域。
With bromocyclohexane and ethyl benzoate as raw materials, dicyclohexylphenylmethyl methacrylate was synthesized by two steps. 以溴代环己烷和苯甲酸乙酯为原料,经过两步反应合成了甲基丙烯酸二环己基苯甲酯。
The high-purity propionyl chloride was synthesized using propanoic acid and triphosgene as raw materials. 以丙酸和三光气为原料,用三光气法合成了纯度较高的丙酰氯。
Isoamyl hexanoate could be synthesized using stannic chloride from caproic acid and isoamyl alcohol. 研究了用四氯化锡催化己酸和异戊醇合成己酸异戊酯的反应。
Acrylate polyethylene glycol monoester was synthesized by condensation of PEG ( 200) and acrylic acid without water-carrying reaction. 以聚乙二醇-200与丙烯酸直接缩合反应,在不加有毒带水剂的条件下合成了丙烯酸聚乙二醇单酯。
The polyurethane was synthesized by modified lignin substituting part of glycol and toluene diisocyananate or diphenylmethane diisocyanate. 利用改性木素取代部分聚乙二醇与异氰酸酯合成了聚氨酯,并对热性能和机械性能进行了研究。
RESULTS Seventeen new compounds ( 1-17) were synthesized. 结果合成了17个新化合物(1-17)。
A series of novel liquid crystalline aromatic carboxylic acid compounds are synthesized. 合成了一系列新的液晶性芳香羧酸化合物。
Samarium salicylate is synthesized by the rheological phase reaction method. 用流变相合成了水杨酸钐。
Multiblock copolymers synthesized by ATRP in recent ten years are reviewed. 综述了近十年来采用ATRP技术合成多嵌段共聚物的研究进展。
P-Toluene thio sulfonic acid sodium salt has been synthesized with sodium sulfide and p-toluenesulfonyl chloride as the raw materials. 本文以硫化钠和对甲苯磺酰氯为原料,对对甲苯硫代磺酸钠的合成工艺进行了改进。
Star polyacrylamide ( SPAM) was synthesized by the aqueous solution copolymerization method. 介绍了应用水溶液聚合方法合成了星形聚丙烯酰胺(PAM)方法。
Rosin modified nonylphenolic resin was synthesized by one-step synthesis in laboratory. 在实验室内用一步法合成了松香改性壬基酚醛树脂。
A new type of germanic zeolite was synthesized in hydrothermal system. 在水热体系中合成了一种新型全锗沸石分子筛。
Diisobutyl acetal was synthesized by the condensation of paraldehyde and iso-butyl alcohol. 以三聚乙醛和异丁醇为原料,合成了二异丁基乙缩醛。
The p-nitroacetanilide was synthesized by using p-nitroaniline, acetic anhydride and acetic acid as raw materials. 以对硝基苯胺、乙酸酐和乙酸为原料合成对硝基乙酰苯胺。
The mesoporous silica-based xerogel had been synthesized using improved sol-gel method. 本研究利用改进的溶胶-凝胶工艺合成了介孔硅基干凝胶。
N-butyl lactate was synthesized from lactic acid and n-butyl alcohol in the presence of strongly acidic cationic exchange resin. 在强酸性阳离子交换树脂存在下,由乳酸和正丁醇合成了乳酸正丁酯。
Supermolecules can be synthesized through self-assembly of polyacid ( A) and modified polyether ( B). 聚合多元酸和改性聚醚通过自组装可形成超分子。
Tungstocobalt heteropoly salts were synthesized using sodium tungstate and cobalt nitrate as materials. 本文以钨酸钠和硝酸钴为原料合成了钨钴杂多酸盐。
Using TBAB as phase transfer catalyst, N benzoyl caprolactam was synthesized from benzoyl chloride and caprolactam in cyclohexane. 四丁基溴化铵(TBAB)为相转移催化剂、环己烷为溶剂,用己内酰胺和苯甲酰氯合成了N-苯甲酰基己内酰胺。
Binuclear cobalt phthalocyanine ammonium sulphonate and binuclear cobalt phthalocyanine sodium sulphonate were synthesized. 合成了双核酞菁钴磺酸铵和双核酞菁钴磺酸钠两种双核酞菁钴磺酸盐。
A heterogeneous bifunctional catalyst was synthesized by incorporating chiral amine and acid groups into silica. 通过将手性胺和酸基团同时引入到二氧化硅表面制备得到了一种多相双功能催化剂。
Isoamyl butyrate was synthesized by using gallium sulfate supported on silica gel as the catalyst. 以自制的硅胶固载硫酸镓为催化剂,正丁酸和异戊醇为原料合成了丁酸异戊酯。