查询词典 thorium

The heaviest of the halogen series; a decay product of uranium and thorium.

素'。''''。'系列'。''中最重的一种），铀和钍腐烂的产物。

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium.

一种极不稳定的放射性元素，铀和钍腐烂的产物。

A highly unstable radioactive element (the heaviest of the halogen series); a decay product of uranium and thorium

a。 最多的；多数的，大部分的ad。最，最多；很，十分n。大多数，大部分a。最多的；多数的，大部分的

While (superscript 4) He is the decay product of uranium and thorium, mainly concentrated in the continental crust, and is approximately proportional to the heat flux of crust.

由於铀、钍元素在大陆地壳中富集，(上标 4) He通量与地壳热流呈正相关关系；同时(上标 3) He通量与地幔热流之间呈正相关。

Fluosilicic acid,which is the byproduct from phosphate fertilizer factory,reacts with ammonium hydrocarbonate to obtain ammonium fluosilicate,then reacts with ammonium carbonate to form settled SiO 2,after filtration,water washing,drying and calcining,high purity SiO 2 with less than 10×10 -6 metal impurity and less than 10×10 -9 uranium and thorium respectively is made.

由磷肥厂副产氟硅酸同碳铵反应得氟硅酸铵，再和碳铵反应生成SiO2 沉淀，经过滤、水洗、干燥、煅烧得高纯SiO2 ，其金属杂质总含量小于 10× 10 -6，含放射性元素铀和钍各小于 10× 10 -9，通过实验获得了适宜的工艺条件，反应温度 70℃～ 80℃，反应时间 1 5h～ 2 0h ，配料比n(NH4HCO3 )∶n(NH4 2 SiF6 =4 4。

Citing: Oneself are very interested in shoe pattern design, often go seeing the picture of newest shoe pattern on net of international shoe line of business, PS:? of ? of Chou of the Luo before neon of ? of osmic ? of Lv of angry of Nai of instrument of ? of sword of thorium of ? of ? of triangular bream of Luo of plutonium busy road is able to bear or endure プ of eggplant of neon of instrument of ? of plan ?? is embraced be able to bear or endure fade of ? of ィ of horsefly of Xiang of Mie of male Cheng of course of study of ? of collect of plan ?? blows paddle Luo by force an ancient drinking vessel!!

举例：本人对鞋样款式很感爱好，经常去看国际鞋业网上的最新鞋样图片，PS：最新的百丽鞋样款式，有的文章里包含的是百丽女鞋的图片，而有的是靴子的图片，反正我的需求很简单，就是看到百丽，而合适的相关性链接布置可以节省我大量的查找时间，看完图片，心血来潮，想买下一双回来穿穿看，于是想，假如下面能提供一个百丽鞋子的报价页面该多好啊！！！

We produce the activity sodium humate containing elemental selenium, titanium, thorium, strontium, rare earth and other active substances, which is the other similar products do not have.

我们生产的活性腐植酸钠含有元素硒、钛、钍、锶、稀土等活性物质，这是一般同类产品所不具备的。

Nitrosamines, fiberglass, hydrocyanic acid, thorium oxide, beryllium and other pulmonary diseases (such as tuberculosis and chemical substances and lipid aspiration pneumonia), could lead to pleural mesothelioma.

亚硝胺、玻璃纤维、氢氰酸、氧化钍、铍及其它肺部疾病（如结核和化学物质及脂质吸入性肺炎），均可导致胸膜间皮瘤。

While the uranyl ion and the hydronium ion tend to dissolve in water, the effect of ancient underground water leads to the redistribution and movement of the elements of uranium and kalium, the ratio of thorium to uranium and kalium are changed.

为了需求古地下水的运移规律及对寻找矿床的作用，利用放射性元素钍稳定性的特点，建立了钍归一化判断的数学模型。

Mineral resources: statewide total of iron, copper, lead, zinc, Gong, antimony, gold, silver, platinum group metals, vanadium, titanium, cobalt, tungsten, tin, molybdenum, bismuth, germanium, gallium, cerium, lanthanum, selenium, uranium, thorium, radium, beryllium, sulfur, arsenic, dolomite, silica, limestone metallurgical, chemical limestone, coal, peat, marble, stone finishes, Iceland spar, graphite, turquoise, agate 45 kinds of minerals and so on.

矿产资源：全州共发现有铁、铜、铅、锌、贡、锑、金、银、铂族元素、钒、钛、钴、钨、锡、钼、铋、锗、镓、铈、镧、硒、铀、钍、镭、铍、硫、砷、白云岩、硅石、冶金灰岩、化工灰岩、煤、泥炭、大理岩、饰面石料、冰洲石、石墨、绿松石、玛瑙等45种矿种。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。