查询词典 acetic acid bacteria

The chemical process for enhancement of metal adsorption in adsorbent ordered decreasingly as thiocarbamide plus phosphorylation (1), phosphorylation (1), thiocarbamide modification, phosphorylation (2), sodium thiosulfate modification, formaldehyde (1), formaldehyde (2), acetic acid modification, and citric acid modification.

其中硫脲加磷酸化修饰处理法修饰吸附剂具有对Zn2+、Ni2+及Cu2+最佳吸附量为256.28、241.56、229.96mg/g，效果最差之柠檬酸修饰处理法亦有40.32 mg、37.9 mg、34.64 mg/g。

SO(superscript 2- subscript 4)/ZrO2-TiO2 solid super acid was prepared and used as the catalyst for synthesis of glycerol triacetate from glycerol and acetic acid.

采用复合固体超强酸SO(上标 2-下标 4)/ZrO2-TiO2为催化剂，甘油和醋酸为原料，结合醋酸精馏回流工艺，合成了三醋酸甘油酯。

Using p-toluensulphonic acid supported by activated carbon as catalyst,glycerol triacetate was synthesized from glacial acetic acid and glycerin.

三醋酸甘油酯，学名三乙酸丙三醇酯，无毒、无刺激性，是一种良好的溶剂和增塑剂，广泛用于医药、食品、香料和印染工业[1]。

The hydroxyethylidene diphosphonic acid was prepared by phosphorus trichloride ,acetic acid with water.

用三氯化磷、冰醋酸和水合成了羟基乙叉二膦酸。

Lactic acid and acetic acid showed an inhibitory effect toward bacillus subtilis if the undissociated form was more than 0.683% and 0.256 %,respetively.

当乳酸和醋酸其未解离部分的浓度分别大于 0 。6 83%和 0 。2 5 6 %时对枯草芽胞杆菌有抑菌作用。

Lactic acid and acetic acid showed an inhibitory effect toward bacillus subtilis if the undissociated form was more than0.683% and0.256%, respetively.

当乳酸和醋酸其未解离部分的浓度分别大于0.683%0.256%对枯草芽胞杆菌有抑菌作用。

This article makes the comprehensive analysis on the organic contaminants in acid wastewater in the acetaldehyde unit by means of SPME, GC／MS, GC and volumetric analysis, and tries to find possibility of recovery of acetic acid.

采用SPME、GC／MS、GC及容量分析技术对乙醛装置酸性废水中有机污染物进行了综合分析，探讨了回收乙酸的可行性。

D., 5m. The mobile phase consisted of a ternary gradient: methanol, 0.8% acetic acid and 0.01mol/L ammonic acid.

d。，5m上，以甲醇－0.8%乙酸－0.01mol/L乙酸铵溶液组成的三元流动相进行洗脱分离，紫外280nm检测。

The quantity ratio of four main esters in Taishan Tequ is reasonable, the content of caproic acid and acetic acid is comparatively higher in Taishan Tequ, the content of n-propanol is also a bit high, and the content of aldehydes is suitable.

泰山特曲具有合理的四大酯量比，己酸、乙酸含量较高，正丙醇含量稍高，适量的醛类物质。

Synthesis process of 2,6-dichloro-3-methylaniline was investigated 3-methylaniline was first N-acetylated with acetic anhydride,then treated with chlorosulphonic acid and ammonia yielding the 2-methyl-4--benzenesulfonic amide,which wasin turn deacetylated,chlorinated and hydrolyzed to the title compound.Hydrochloric acid was used instead of sodium hydroxide in deacetylation and sodium chlorate instead of hydrogen peroxide as oxidant in chlorination.

合成工艺2，6-二氯-3-甲基苯胺调查3-甲基首次N-乙酰与醋酸酐，然后与氯磺酸和氨产量 2-甲基-4--苯磺酰胺基，而擅转乙酰，氯化和水解的标题compound.hydrochloric酸代替氢氧化钠乙酰氯酸钠代替双氧水为氧化剂，加氯。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48