醛的例句（醛在句子中的用法）

• The results showed that ferrocene was reduced to iron during carbonization. 结果表明,添加到酚醛树脂中的二茂铁在炭化阶段被还原为单质铁.
• Glyoxysomes are particularly well known in germinating fatly seeds. 人们已经知道,萌发的含油种子中有乙醛酸循环体.
• Aim Enanthal diethyl acetal is prepared with heptaldehyde and triethyl orthoformate as raw materials. 目的研究以庚醛和原甲酸三乙酯为原料制备庚醛二乙缩醛的工艺条件.
• Using benzene as internal standard, the calibration factors of derivative of aldehydes 2,4 - dinitrophenylhydrazine ( DNPH ) were measured. 将醛类物质与2, 4- 二硝基苯肼 ( DNPH ) 的衍生反应液直接进样,以苯为内标物,测定了甲醛 、 乙醛等醛类物质DNPH衍生物的校正因子.
• Dimethoxymethane possesses higher quantity of oxygen, higher ratio of hydrogen to carbon and lower flash point. 甲缩醛含氧量大 、 氢碳比高、闪点低,加入柴油中能够提高其十六烷值.
• Cu furaldehyde - diamine Schiff base complex was synthesized with the yield of 63. 合成了一种席夫碱金属络合物——呋喃甲醛乙二胺铜络合物,收率为63.
• Objective To decrease the formalin content in the reused dialyzer and reduce the patients'cost. 目的减少复用透析器中的甲醛含量,降低病人费用.
• The cross - linking reaction between dialdehyde compound and cellulose acetate raises the chemical stability of the material. 通过二醛类与醋酸纤维素类材料的交联反应,提高了材料的化学稳定性.
• Aim To study the synthetic method for the glutaric dialdehyde. 目的研究戊二醛的新合成方法.
• This paper discussed three methods of producting vinyl etherspreparation from acetylene, dehydrohalogenation and acetals. 论述了乙烯基醚类化合物的三种主要制备方法乙炔法 、 脱卤化氢法和缩醛热分解法.
• Methanol dehydrogenation is a promising route for commercial production of anhydrous formaldehyde. 甲醇直接脱氢制无水甲醛是具有工业化前景的新工艺.
• CSP 2 also contained uronuc acid indicated by Discher method. I. Discher法测试表明CSP—2含有糖醛酸.
• The content of ginsenoside in Panax quinquefolium L was determined by colorimetry. 用香草醛-冰醋酸比色法测定西洋参中总皂甙的含量.
• Phenolic Backed Seat: Non - collapsible, stretch resistant, blow out proof, field replaceable. 酚醛背衬阀座: 不可拆解, 抗拉伸,抗撞击.现场可更换.
• A species of cockroach sprays a substance , ethylacrolein, that is a kind of tear gas. 某种蟑螂喷射一种催泪性毒气――乙 基丙烯 醛.
• Physical Properties - When freshly distilled, citral is an almost colorless oil possessing a characteristic lemon odor. 新蒸馏出来的柠檬醛是一种几乎无色的油状液体,具有特征的柠檬香气.
• GC method for the determination of cinnamaldehyde in cassia bark capsules has been developed. 采用气相色谱测定中成药右归胶囊中桂皮醛的含量.
• The expansive development prospect of cinnamaldehyde were viewed based on its wide application. 肉桂醛的广泛应用决定其具有十分广阔的发展前景.
• A rapid and simple method for the determination of cinnamaldehyde content in cassia was established. 提出了一种快速测定桂皮中桂皮醛含量的方法.
• Benzbromarone was synthesized from salicylaldehyde by condensation with chloroacetone, reduction, acylation, demethylation and bromination overall yield. 以水杨醛为原料,经缩合 、 还原 、 酰化 、 脱甲基、溴化反应制得苯溴马隆,总收率40.6%.