preferential相关论文
Since the outbreak of COVID-19， medical devices have attracted more attention. Many products show the importance of medic......
Desulphurization slag modified nickel slag adsorbent was prepared by unburned forming technology. The structure of the s......
Introduction Presently the government procurement of all the countries has accounted for 15% or so of the total GNP in t......
The effect of the annealing temperature Ta on the optical, electrical and structural properties of the In2S3 films obtai......
It’s been proved by theory and practice that taxation policy is one of the important means of realizing energy saving a......
With the requirements of users enhanced for wireless communication,the cooperative communication will become a developme......
Analysis of solute preferential transport in a dark coniferous forest ecosystem of Gongga Mountain,S
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Analysis of solute preferential transport in a dark coniferous forest ecosystem of Gongga Mountain,S
We selected a dark coniferous forest ecosystem of Gongga Mountain in the upper reaches of the Yangtze River as our resea......
随着5G共建共享的逐步深入,中国电信中国联通双方基础资源的择优对规划建设一张“覆盖广、效果好、成本低”的5G精品网来说愈显重......
为实现少数民族高等教育的平等权,我国自建国后就开始实施少数民族高等教育的优惠招生政策,主要是针对少数民族高等教育考生的高考......
活动流场模型分形特征参数控制着优先流的产生和发展,因此准确获得活动流场模型分形特征参数值对提高模型的模拟预测精度具有重要......
改革开放20多年来，云南边疆“直过区”，佤族、布朗族、德昂族、拉祜族等少数民族社会经济文化有了很大的发展，但由于历史与自然等原因......
为节省水资源,降低浮选废水排放量,合理利用浮选回水中的有效药剂成分,以夏塞某多金属硫化矿为例进行浮选回水试验。根据矿石性质,......
针对HX地区长4＋5油层组成藏控制因素不清、影响后续勘探及开发有利区筛选的问题，在钻井、试油及测井资料的基础上，结合前人区域构造研......
鼓励外商在中国投资的优惠法律法规及政策,对发展我国经济,实现现代化起到了重要的作用.但是,这些优惠的法律法规与WTO的基本原则......
面临着市场经济、全球化、西部大开发的新形势,民族地区与汉族地区经济发展不平衡的现象依然存在,民族地区内部也呈现出经济发展不......
利用CT扫描技术分析了太湖地区3种典型水稻土(白土、黄泥土和乌栅土)中大孔隙的孔隙度、大孔隙数量、孔隙平均面积和孔隙等效直径......
