查询词典 leaching

Because of advantages such as containing metal-free, so the organocatalyst has not the potential risk of leaching of toxic metal ion to the environment; generally has good catalytic activity, some might exhibit peculiar character and catalytic mechanism as enzyme; easily handled, can be performed in solution or air without the necessity of severe conditions like water-free a...

因为其不含金属离子，不存在有毒金属离子泄漏而造成环境污染；一般具有较高的催化活性，有些显示出类似酶的特性和催化机理；反应容易操作，可在溶液或空气中进行，不需要无水无氧等苛刻条件；价格一般比较便宜，易于制备、修饰和改性，可调控性大；易于与产物分离及从反应体系中回收等一系列&绿色&的优点。

Because of advantages such as containing metal-free, so the organocatalyst has not the potential risk of leaching of toxic metal ion to the environment; generally has good catalytic activity, some might exhibit peculiar character and catalytic mechanism as enzyme; easily handled, can be performed in solution or air without the necessity of severe conditions like water-free and oxygen-free.

因为其不含金属离子，不存在有毒金属离子泄漏而造成环境污染；一般具有较高的催化活性，有些显示出类似酶的特性和催化机理；反应容易操作，可在溶液或空气中进行，不需要无水无氧等苛刻条件；价格一般比较便宜，易于制备、修饰和改性，可调控性大；易于与产物分离及从反应体系中回收等一系列&绿色&的优点。

The functions of casing for in-situ leaching of uranium,effects of casing wall thickness on bearing force,advantages and application of thin wall casing are discussed,and the practical suggestions to thin wall casing test and application to be conducted in China are proposed.

集国内外地浸采铀套管应用的经验，讨论了地浸采铀钻孔套管的作用，套管壁厚对套管受力的影响，薄壁套管的优势及应用，并对我国开展薄壁套管的试验与应用提出具体的看法。

Studies on effect of applying several new type nitrogen fertilizer on nitrate accumulation in two-reap leafy vegetable and soil nitrate leaching in high fertility vegetable by earth column simulation experiment method.

应用土柱模拟试验的方法，研究了在高肥力菜田土壤条件下，施用几种新型氮肥对两茬叶菜硝酸盐积累和土壤硝态氮淋洗的影响。

Third, put the following health-care formula mineral ores and health care raw materials into the vacuum tube, including: medical stone, wooden fish stone, tourmaline, sepiolite, zeolite, stalactites, Bian-stone, zinc ore, pearl, turtle shell, shell, jade powder and calcium carbonate, mineral ingredients according to a specific percentage, around 50 degrees under the leaching of water, biological activity, the local water quality, food structure, and family health status, health purposes and so on, using software to calculate nutritional supplements to determine, in principle, require many varieties with , multi-mine ore spot to take in order to eliminate batch variation, in which medical stone and the wooden fish accounted for over 50% of stone, turtle shell + pearl + jade powder dosage less than 1%, other appropriate compatibility require the use of the total mineral in the human level for more than 10 kg .

三是在真空管放入如下保健配方矿石和保健矿物质原料，其中有：麦饭石、木鱼石、托玛琳、海泡石、沸石、钟乳石、砭石、锌矿石、珍珠、龟板、贝壳、玉石粉和碳酸钙，具体比例按矿石成分含量、50度左右热水下溶出量、生物活性、当地水质、食物结构、家庭健康状况、保健目的等用营养配方软件计算确定，原则要求多品种搭配，多矿点取矿以消除批次变异，其中麦饭石和木鱼石占50%以上，龟板+珍珠+玉石粉用量不到1%，其它适当配伍，要求矿石使用总量在人平10公斤以上。

Larger particles are sucked from the receiver 8 into a sand pump 6 via a pipe 5 so as to be returned to the tower shell 1 wherein the larger particles are again subjected to pulverization and leaching.

较大颗粒则是将从接收机 8 成砂泵 6 透过管道 5 ，以归还给塔壳里一大颗粒再次遭到粉碎和浸出。

Uneven distribution of drill lixiviant for stope leaching was solved by adopting micro-irrigation technology.

为解决原地爆破浸出钻孔布液中存在的溶液分配不均匀问题，引用了微灌技术。

In the recovery process of electroplating sludge, it researched on acid leaching process, N902—sulfonated kerosene extraction of copper, and copper sulfate stripping and the recovery.

对电镀污泥中铜的回收工艺进行研究，研究了酸浸过程、N902—磺化煤油萃取铜、硫酸反萃以及铜的回收。

Adopting ameliorated flat arrow-like opener, the machine can cut off the continuity of soil macropore flow; form a compact fertilizer strip on the base of ridge, which can decrease nitrogen leaching by macropore flow. The machine makes use of single-disk to form ridge on the fertilizer strip.

采用改进后的平底箭铲式施肥开沟器能够阻断土壤中大孔隙流的连续性，在垄底形成一致密的施肥带，减少了氮肥在土壤中随大孔隙流的淋溶迁移。

The chelating resin contaning sulfur and nitrogen was firstly used to adsorb gold and silver in alkaine cyanide solution and gold ore cyanide leaching solution.

以含硫氮的螯合树脂为吸附材料，首次将其应用于碱性氰化溶液及金矿浸出液中金、银的分离与富集。

Life. But the intrinsic way of the Internet by wire confines accessing and using of the network information.

然而，Internet固有的有线连接方式大大限制了人们对网络信息的访问和使用。

I have a strong persuasion that this is true .

我坚信这是正确的。