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N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
The n butyl gallate was synthesized by esterification of butyl alcohol and gallic acid in catalysis of p methyl toluenesulfonic acid (PTSA) induced by microwaves. 采用微波辐射技术，以对甲苯磺酸（PTSA）作催化剂，没食子酸和正丁醇直接酯化合成没食子酸正丁酯。
In the presence of aminosulfonic acid catalyst,lactic acid reacted with n butyl alcohol to form n butyl lactate. 以氨基磺酸为催化剂，实现了乳酸与正丁醇反应合成乳酸正丁酯。
This paper reported the synthesis of butyl p \|hydroxybenzoate under the microwave, with phospho\|tungstic acid as the catalyst. 报道以磷钨酸为催化剂，在微波辐射下对羟基苯甲酸丁酯的合成。
Tri n butyl citricate(TBC)was synthesized with zeolite supported ZrO 2 Dy 2O 3/SO 4 2 solid super acids(ZDSH) as catalysts. 用固体超强酸催化剂（ZrO2?Dy2O3/SO42 －?沸石分子筛）催化合成柠檬酸三丁酯（TBC）。
In this paper, the research progress on the exposure,metabolism,toxicity and endocrine disruptingeffects of di n butyl phthalate were reviewed. 邻苯甲二酸二丁酯;;内分泌系统;;成形剂;;毒性作用;;塑料;;职业;;环境;;
Three plasticizers were used: namely dioctyl phthalate (DOP), di n butyl phthalate (DBP) and di(-2-ethyl-hexyl)sebacate(DOS). 研究中采用的增塑剂为邻苯二甲酸二辛酯 (DOP)、邻苯二甲酸二正丁酯 (DBP)和癸二酸二辛酯 (DOS)。
The influence facts upon adhesive strength,such as hardening agent content, n butyl acrylate content,synthesis condition were discussed. 考察了固化剂含量、预固化及预聚合时间、丙烯酸丁酯含量以及引发剂含量对胶粘剂力学强度的影响。
The effects of the amount of sodium bisulfate monohydrate,the amount of n butyl alcohol and reaction time on the yield of n butyl gallate have been investigated. 以没食子酸和正丁醇为原料,采用一水合硫酸氢钠作催化剂合成没食子酸正丁酯。
A study was made on the synthesis of n butyl acetate and isobutyl acetate with aminosulfonic acid as the catalyst.The optimum conditions were chosen by the experiments. 研究了以氨基磺酸为催化剂，催化合成乙酸正丁酯和乙酸异丁酯的工艺过程，实验确定了其优惠反应条件。
The adsorption process of n butyl acetate in a packed bed of activated carbon fiber is studied. The adsorption rate equation and the adsorption order and adsorption balance constant of Freundlich adsorption isotherm equation are obtained. 研究了醋酸丁酯在活性炭纤维床层中的吸附过程 ,获得吸附速率方程和 Freundlich吸附等温方程的吸附级数、吸附平衡常数。
Ethyl acetate,n butyl acetate,n amyl acetate,n heptyl acetate,benzyl acetate,ethyl hexanoate,isopropyl chloroacetate and 2 ethylhexyl acrylate were synthesized using modified gnarl catalyst. 以改性片麻岩为催化剂合成了醋酸乙酯、醋酸丁酯、醋酸戊酯、醋酸庚酯、醋酸苄醇酯、己酸乙酯、氯乙酸异丙酯和丙烯酸2乙基己醇酯,其收率都在90%25以上。
butyl p - hydroxybenzoate 对羟基苯甲酸丁酯
Keywords n butyl gallate;microwave;esterification;PTSA; 没食子酸正丁酯;微波;酯化;PTSA;
I mind my p's and q's whenever I see him. 每当我见到他我都谨慎行事。
Keywords tri（ n butyl）tin;alkynyl phosphonic acid;synthesis; 三丁基锡;炔基膦酸;合成;
In English, b, p, m and w are bilabials. 英语中的b、p、m、w为双唇音。
Keywords microwave irradiation;sodium bisulfate;n butyl cinnamate; 微波辐射;硫酸氢钠;肉桂酸正丁酯;
AB and CD intersect at (the point) P. AB线和CD线在P点相交。
The time now is 10:00 p, m, sharp. 现在的时间是晚上10点整。