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- The electrochemical behaviour of galena,sphalerite and pyrite during grinding medium in the presence of butyl xanthate or sodium diethyldithiocarbamate (DDTC) was analysed in this paper. 本文根据浮选电化学理论分析讨论了丁黄药和乙硫氮在方铅矿、闪锌矿及黄铁矿三种硫化矿物表面的电化学作用过程，分析了磨矿环境具有低电位还原气氛产生的原因。
- Kerosene and butyl xanthate were used as collectors in bulk flotation. 混合浮选采用煤油加丁基黄药作为捕收剂。
- 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。
- In the light of the ore property, the copper mineral from the ore is recovered by sulphidizing flotation with butyl xanthate as a collector and PZO as a frother. 针对其矿石性质，采用硫化浮选回收矿石中的铜矿物，并以丁黄药作捕收剂，PZO作起泡剂。
- Speed flotation was adopted,the combined collector of butyl xanthate and diethyldithiocarbamate was used and DS was used as depressor. 结合原生产工艺流程,采用快速浮选流程,使用丁基黄药和乙硫氮作组合捕收剂,并使用了一种新的DS抑制剂。
- In this experiment,the offeet of the Y-89-2 xanthate and the ethyl butyl xanthate were constrasted,the adaptability and the effectiveness of the Y-89-2 xanthate were deseribed. 本文通过对大山选矿厂铜硫矿石，分别使用 Y-89-2黄药和乙丁基黄药的对比试验，客观阐述了 Y-89-Z黄药这种新型药剂的有效性及适用性。
- 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。
- 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。
- Some collectors such as sodium iso-propyl, sodium amyl and sodium butyl xanthates, ammonium-butyl aerofloat, and sodium butyl xauthate+ammonium-butyl aerofloat, etc are also used to float pentlandite. 介绍捕收剂异丙基黄药、戊基黄药、丁基黄药、丁基铵黑药和丁基黄药与丁基铵黑药混用等用于浮选镍黄铁矿的情况;
- 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。
- 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。
- ethylic and butyl xanthate comparing experiments 乙丁黄药对比试验
- Keywords microwave irradiation;sodium bisulfate;n butyl cinnamate; 微波辐射;硫酸氢钠;肉桂酸正丁酯;
- sodium N, N-dimethyl dithiocarbamate [化] 二甲基二硫代氨基甲酸钠
- 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。
- Study on Purification Characteristics of Butyl Xanthate 黄药的净化特性研究
