Based on the panel data of listed companies in the Chinese stock-market during 1998-2004,The paper examines the determinants of corporate effective tax rates at firm level.
本文采用中国非金融类A股1998-2004年425家上市公司合计2975个样本观察值的面板数据,应用随机效应模型,深入研究了影响企业实际所得税税率(ETR)的公司特征因素,在此基础上探讨了税收政策(《T2000》)的变动对这些因素的影响。
A study on causes of low recovery of scrap lead;
关于我国废铅实得率低下的原因的研究
Study on Resource Utilization for Fast Growth Wood Pulping Wastewater
速生材高得率制浆废液的资源化利用
Modification and Application of Waste Liquor from APMP Process
APMP高得率制浆废液的改性及应用
Classification and specification for scraps and waste component of lead and lead alloy
GB/T13588-1992铅及铅合金废料、废件分类和技术条件
The Research on Treating Cr(VI) Wastewater Using Scrapped Pb-battery;
废铅蓄电池中铅泥膏处理含铬(Ⅵ)废水的研究
Recovery of Lead from Spent Lead Batteries by Hydrometallurgical Method
废铅蓄电池极板粉末湿式处理回收铅
Review of recovery technology for lead paste from spent lead acid battery
废铅酸电池铅膏回收技术的研究进展
Treatment of UASB-improved oxidation ditch-flocculation process on high yield APMP pulping wastewater
UASB-改良式氧化沟-物化工艺处理高得率APMP浆废水
The yield of anhydrous plumbous acetate is also very high.
该方法操作简便,反应时间短,得到的无水醋酸铅的收率也较高。
Experiment Study on Enhancing Treatment of Waste Gas Containing Toluene by Sodium Citrate Solution Absorbent
提高柠檬酸钠净化甲苯废气效率的实验研究
Progress in the hydrometallurgical process for recovering lead from scrap lead-acid batteries
湿法回收废旧铅酸蓄电池中铅的研究进展
Environmental Problems Worth Attention in Recovery Treatment and Regenerative Lead Production of Deposed Lead-acid Batteries
废铅酸蓄电池回收处置与再生铅的生产
A receptacle for broken or discarded type.
坏铅字箱，废铅字箱盛装破损或丢弃不用的铅字的箱子
Leaching-Electrowinning Process of Extraction of Metallic Lead from Lead Bearing Wastes and Low-grade Lead Oxide Ore;
碱浸—电解法从含铅废物和贫杂氧化铅矿中提取铅工艺及机理
Study on Adsorption of Lead(Ⅱ)and Cadmium(Ⅱ)from Waste Water with Waste Tea
废弃茶叶渣对废水中铅(Ⅱ)和镉(Ⅱ)的吸附研究
So much of that thing has been done by these reckless Abolitionists.
那些轻举妄动的废奴派做得实在太过份了。
method of determination of cadmium and lead in stack gas
废气中镉及铅含量分析法
Studies on Treatment of Lead－bearing Wastewater by Immobilized;
固定化少孢根霉处理含铅废水的研究