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The effects of the surfactants on bioleaching of chalcopyrite were evaluated by measuring the leaching rate of copper and the density of bacteria cells in solution.

通过对浸溶液中铜的浸出率以及细菌浓度的测定来评价表面活性剂对氧化亚铁嗜酸硫杆菌浸出效果的影响。

Objective To establish leucopenia mouse model induced by chemotherapeutics and provide scientific basis for evaluation of CELLAID enhancing the effect of WBC on animal models.

目的 建立化疗药物使白细胞减少的动物模型,为富氧素提高实验动物WBC作用的评价方法提供科学依据。

Results indicated that Lindane was very slowly mineralized after a 228 day's incubation period in closed system.It took about 9 years to mineralise completely Lindane in the chernozem,and 11 years in the brown calcareous at 20ppm in the soils.

在模拟环境条件下,经过228天的观察发现,林丹在土壤中化降解十分缓慢,当土壤中浓度为20ppm时,达到完全化,估计黑钙土需要9年,棕钙土需要11年。

Different species, furniture styles are also different, such as the ancient pine, oak rough ore Haofang, the elegant cherry, birch's prudent.

树种不同,家具风格也不同,如松木的古朴,橡木的粗豪放,樱桃木的高贵优雅,桦木的稳重。

We mainly produce and welded wire mesh, export expanded metal mesh ,stainless steel woven wire mesh, perforated metal sheet , hexagonal wire mesh ,barbed wire ,insect screening, galvanized square woven wire mesh, hexagonal wire netting or chicken netting, fencing wire mesh , black wire cloth and other metal mesh including crimped wire mesh, conveyor belt net, mine sieving mesh , barbecue wire mesh and metal wire series products such as galvanized iron wire, black iron wire, stainless steel wire and PVC coated wire.

我厂主要生产电焊网、钢板网、冲孔网、不锈钢丝网、黑丝布、刺绳、窗纱、六角网、护栏网、输送带网、烧烤网、筛网等丝网、筛网产品,以及镀锌丝、黑铁丝、PVC丝、不锈钢丝等丝产品。广泛用于石油、化工、粮食、食品、医药、建筑等各行各业。其产品广泛销往全国各地,并出口到了东南亚等国家和地区。

MRP are china clay mining, processing for the main business.

自建厂以来,都是以瓷土的开采、加工为主营业务。

The effects of different nitrogen concentration, forms and proportion on the root activity, chlorophyll and mineral elements of Chinese chive.

研究了不同供氮水平、不同形态氮素及配比对韭菜的根系活力、叶绿素含量和质元素含量的影响。

A new dressing technology, selective flotation separation of gold, and flotation separating pyrite from arsenopyrite with chlorinated lime as the oxidizing agent, and magnetic separation of pyrrhotite from arsenopyrite is adopted and good beneficiation indexes are achieved.

天马山石属含砷高硫难选金石,对该石进行了选工艺研究,采用优先浮选金、漂白粉作氧化剂氧化浮选分离黄铁和毒砂、磁选分离磁黄铁和毒砂工艺,综合回收金硫砷,取得较好选别指标。

Chlorite in Furong tin allotment can be divided into two stages of mineralization.

芙蓉锡田中的绿泥石可分为两个化阶段。

Pretoria for the mining city for the suburbs of diamond, platinum, gold, tin, iron, chrome, coal, ore mining center.

比勒陀利亚为业城市,近郊为金刚石、白金、黄金、锡、铁、铬、煤等的开采中心。

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力