Study the biological limit of urine trans, trans-muconic acid for occupational exposure to benzene.
研究尿中反式，反粘康酸对苯职业接触的生物学极限。
The adsorption and orientation of benzene and benzenesulfonic acid on the platinum electrode surface were studied.
研究了苯和苯磺酸在铂电极表面的吸附和取向。
Linear alkylbenzenes are important raw materials for the synthesis of washing agent and it is synthesized from the alkylation of benzene with long-chain alkene in the presence of an acid catalyst.
长链烷基苯是合成洗涤剂的重要原料，是由苯与长链烯烃在酸性催化剂作用下烷基化反应生成的。
Symptomatic treatment to the principles of medical emergency may be given glucuronic acid to increase the excretion of benzene metabolites.
以内科急救原则对症治疗，可给予葡萄糖醛酸以增加苯的代谢产物的排出。
The transalkylation of polyethylbenzene, mainly diethylbenzene and triethylbenzene, with benzene catalyzed by tungstophosphoric acid has been studied in stirred autoclave.
采用搅拌高压釜，以磷钨酸为催化剂，研究了苯与多乙苯的烷基转移反应，多乙苯主要是二乙苯和三乙苯。
Objective To study the biological limit of urine trans, trans-muconic acid(t, t-MA)for occupational exposure to benzene.
目的研究职业性苯暴露反-反式粘糠酸（t，t-MA）生物接触限值。
ESR spectrum show that reduced of heteropoly acid was occurred in vapor-phase nitration reaction of benzene.
ESR谱表明：杂多酸催化剂的钨在苯气相硝化反应中发生了还原反应。
Then-octyl gallate was prepared by esterification of alcohol and gallic acid in catalysis system of dodecyl benzene sulfonic acid.
以十二烷基苯磺酸为催化剂，酸醇直接酯化合成没食子酸正辛酯。
This work introduces nice results for the preparation of phenoxyacetio acid in benzene-sodium hydroxide aqueous system through condensation of phenol with chloroacetic acid.
本文报道在苯—氢氧化钠水溶液中，由苯酚和氯乙酸缩合制取苯氧乙酸的良好结果。
To discuss the treatment of reclaimed acid, the treatment of acid tar and recovery of benzene oil-gas.
并对再生酸、酸焦油的处理及苯油气回收进行了探讨。
The current topical areas focus on the rigid aromatic multicarboxylate ligands, such as benzene dicarboxylic acid and benzene tricarboxylic acid.
目前，这方面的研究主要集中在如苯二甲酸，均苯三甲酸等刚性芳香多羧酸配体。
Three kinds of benzene sulfonate were prepared from derivant of benzene sulfonic acid and zinc oxide and element analysis of products was made.
以苯磺酸衍生物和氧化锌为原料，制备甲基苯磺酸锌、对氨基苯磺酸锌、十二烷基苯磺酸锌，并对产品进行了元素分析；
The UNIQUAC associated -solution model successfully represented the liquid-liquid equilibria of acetic acid, benzene and triethylamine.
UNI QUAC缔合溶液模型成功地描述了乙酸、苯和三乙胺的液液二相平衡。
The Lnk1 and T(?) of copolyester with 10% m-benzene dicarbonic acid were smallest, and it's mechanical properties were also best in all studied copolyesters.
均下降，同时，力学性能也下降，但间苯二甲酸含量为10％的共聚酯的力学性能最佳。
Aim To explore the potential inhibition of platelet aggregation and synthesis of substituted benzene carboxylic acid derivatives.
目的探讨取代苯基羧酸衍生物的合成及抑制血小板聚集作用。
Root exudation of wheat, corn, broad bean and pigeon pea mainly include organic acid, phenol, hydrocarbon, grease, ketone, mellow, amide, benzene, aldehyde and thiazole et al.
小麦、玉米、蚕豆和鹰咀豆根分泌的主要类型有有机酸、酚、烃、脂、酮、酰胺、醇、苯、醛和噻唑。
The tendency of preparing adipic acid and hexamethylene diamine from non-benzene materials is also introduced.
此外，还介绍了以非苯原料制备己二酸、己二胺的开发情况和市场动向。
It's found that in sulphuric acid medium, sodium diphenylamine sulfonate can be oxidized by hydrogen peroxide and produce two benzene allied purple.
在硫酸介质中，二苯胺磺酸钠可被过氧化氢氧化生成二苯联苯胺磺酸紫。
Compared with sulfuric acid process, under the premise of ensuring pure benzene quality, the pollution of tar acid and waste water contained with acid on environment can be eliminated.
与硫酸法相比，在保证纯苯质量的前提下，可消除酸焦油和含酸废水对环境的污染。
But for phene-phenol, acrylic acid and ester , benzene, MDI etc products, the productivity will be surplus in different level.
而苯酚、丙烯酸及酯、苯、MDI等产品将出现不同程度的过剩。
The solid acid catalyst of supported heteropoly acid used for the synthesis of linear alkylbenzene from benzene and dodecene was characterized by using XRD, SEM, TEM and FT-IR.
在固定床反应器和一定的反应条件下，考察了改变苯烯摩尔比对负载杂多酸催化剂催化合成直链烷基苯的活性和选择性的影响。
In synthesis method, the non-phytic acids such as hexahydroxy-benzene and starch are passed through chemical reactions to produce phytic acid.
合成法主要是以非植酸化合物为原料（如六羟基苯、淀粉等）通过化学反应制得。
Then (iso) butyl gallate was prepared by esterification of alcohol and gallic acid in catalysis ofp methyl benzene sulfonic acid and the reaction temperature was risen in a gradient style.
对甲苯磺酸为催化剂，用梯度升温法，酸、醇直接酯化合成没食子酸正（异）丁酯。
These organic pollutants included phenol, organosulfur compound, organic acid, organophosphorus pesticide, substituted benzene and multi-component organic pollutants.
这些成果包括酚类、有机硫化合物、有机酸、有机磷农药、苯系物、多组分有机污染物的分析测定。
The production technologies of phenol are briefly introduced, i. e. method based on cumin, toluene-benzoic acid based method, and direct oxidation of benzene.
简要介绍了苯酚的几种生产工艺，异丙苯法、甲苯-苯甲酸法和苯直接氧化法。
But relatively more benzene carbonic acid may destroy the gel network of aluminum soap.
更多的添加剂反而会破坏铝皂凝胶网络。
Methods The control group 70 cases, benzene sulfonic acid amlodipine pieces.
方法对照组70例，治疗方案：苯磺酸氨氯地平片。
Hydroxy benzene acetic acid and acetic acid have biological activity, such as anti-bacterial and other aspects, leading to a wide range of applications.
苯羟基乙酸和苯氧乙酸都具有生物活性，在诸如抗菌等方面具有广泛的应用。
Hydroxy benzene acetic acid and acetic acid have biological activity, such as anti-bacterial and other aspects, leading to a wide range of applications.
苯羟基乙酸和苯氧乙酸都具有生物活性，在诸如抗菌等方面具有广泛的应用。
应用推荐