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formic相关的网络例句

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Possible degradation pathways of aniline by O3 were obtained on basis of the experimental results.

到中国译典经典版本中查找关于formic的最新解释和例句。。。。

Glucose, formic acid and levulinic acid were not detected in the liquors of acid hydrolysis and the concentration of xylose and arabinose was high, while the acetic acid was low. The mixture of monosaccharides and fatty acid was efficiently separated and the whole process of separation was finished within 23 minutes.

通过对样品的分析表明,麦糟水解液中不含有葡萄糖、甲酸及乙酰丙酸,木糖和阿拉伯糖的质量浓度比较高,乙酸的质量浓度比较低,单糖及脂肪酸的混合液得到很好的分离,分离过程在23min内完成。

Glucose,formic acid and levulinic acid were not detected in the liquors of acid hydrolysis and the concentration of xylose and arabinose was high,while the acetic acid was low.

目前,国内外用高效液相色谱法测定糖类化合物已有许多报道[4-10],但同时分析单糖及脂肪酸的报道仅在Solang等[3]的研究中略有叙述。

Methods 4-Hydroxy- benzonitrile was treated with sodium hydrogen sulfide and anhydrous magnesium chloride in dimethyl formamide to give thioamide, which was then directly cyclized with ethyl 2-chloroacetoacetate without separation to give ethyl 2-(4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(2) in one-pot; then 2 was formylated with Duff reaction adopting hexamethylenetetramine in trifluoroacetic acid to give ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate(3); finally, the target compound was obtained by the treatment of 3 with hydroxylamine hydrochloride and sodium formate in formic acid.

采用"一勺烩"方法,以4-羟基苯甲腈为起始原料,首先与硫氢化钠和无水氯化镁在N,N-二甲基甲酰胺中反应,所得中间体不经分离,直接加入2-氯乙酰乙酸乙酯进行环合反应,得到2-(4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(2);然后通过六亚甲基四胺/三氟乙酸进行Duff反应,得到2-(3-甲酰基-4-羟基)苯基-4-甲基-5-噻唑甲酸乙酯(3);再经盐酸羟胺/甲酸/甲酸钠体系脱水得到目标化合物。

The regulation with black formic garden is, if the ant on go ahead of the rest acts and had walked over, then it needs to await, await the other side to had gone beside all the time, oneself start again.

黑花园蚁的规则是,假如对面的蚂蚁已经先行行动并走过来,那它就需等待,一直等待对方从身边走过,自己再起动。

On a pressure of about 10 E-1 mbar and a substrate temperature below the liquidus of the solder, formic acid will be feed into the vacuum chamber from a bubbler using nitrogen as a tracer gas.

气压大约在10 E-1 mbar,基板温度低于焊料液相温度时,将甲酸充入真空腔体中(甲酸用作tracer gas?)。

By means of GC, GC-MS, GC-IR, the reaction products were investigated and the results showed that there are triylene, camphene, limonene, p-cymene, terpinolene -terpinene,-terpinene,-fenchyl formate, linalyl formate, terpinyl formate, bornyl formate and isobornyl formate containing in the products,and linalyl formate was first discovered in addition reaction of a -pinene and formic acid .The content of the main product terpinyl formate is up to 60.4%,the selectivity is 64.5%.

采用GC、GC-IR、GC-MS等对反应产物进行定量和定性分析,结果表明:微波辐射下α-蒎烯与甲酸的反应产物含有三环烯、莰烯、对-伞花烃、α-松油烯、γ-松油烯、柠檬烯、异松油烯、甲酸葑醇酯、甲酸异龙脑酯、甲酸龙脑酯、甲酸芳樟酯、甲酸松油酯。

With morphology characteristics of erosion concave of Ag and Pd contact materials in nitrogen and air being compared, influence on erosion, welding and breakdown voltage of contact for nitrogen and SF_6 being analyzed, influence on contact for the formic acid, toluene, carbinol and distilled water being analyzed, it was showed that the influence on performance parameters of relay contact for various atmospheres is very com...

通过比较触头材料Ag和Pd分别在氮气和空气中侵蚀凹坑的形状特征,分析了氮气和SF6等气氛对触头侵蚀、熔焊、耐压的影响,及甲酸、甲苯、甲醇、蒸馏水等对触头的影响,表明各种气氛对继电器触头性能参数的影响十分复杂,该影响涉及对电弧运动规律的影响和与材料的化学反应。

The ratios of mobile phase (methanol∶acetonitrile∶1% formic acid, pH3.0) were 10∶15∶75, 10∶10∶80, 6∶6∶88 for lettuce, celery and pakchoi cabbage, respectively.

生菜、芹菜和小白菜样品选用的流动相(甲醇∶乙腈∶1%甲酸,pH3.0)体积比分别为10∶15∶75,10∶10∶80,6∶6∶88。

Based on corn cobs , a pretreatment process in modest conditions atmospheric pressure and moderate reaction temperature was designed to fractionate lignocellulose by using formic acid .

以玉米芯为研究对象,提出了常压中温条件下甲酸预处理木质纤维素组分分离的工艺。

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