查询词典 pit coal

County is rich in mineral resources, with proven gold, silver, copper, coal, clay, more than 10 kinds of marble, etc.; there are antelope, zi , otters, giant salamander, deer, and other rare animals microphylla; have yew, iron Sequoia, Ginkgo, camphora, Acacia, Pinus and other rare species; have tabulaeformis, pine, larch, red wood tree species Betula, etc.; produce velvet, musk, Polyporus, five Faeces, gastrodin, bark, yellow more than 400 kinds of Chinese medicinal herbs such as ginger.

县境内有丰富的矿产资源，已探明的有金、银、铜、煤炭、陶土、大理石等10多种；有羚羊、獐子、水獭、大鲵、麝、锦鸡等珍稀动物；有红豆杉、铁杉、银杏、香樟、合欢、白皮松等珍稀树种；有油松、华山松、落叶松、红桦等用柴树种；出产鹿茸、麝香、猪苓、五灵脂、天麻、杜仲、黄姜等中药材400多种。

A process for preparing polysilicate aluminum ferrite coagulant from coal gangue and blast furnace sludge under normal pressure has been studied,determining the reasonable production craft and operating conditions.

研究了以煤矸石和鼓风炉淤泥为原料、在常压条件下制备高效混凝剂聚硅酸铁铝的方法，确定了合理的生产工艺和操作条件。

A new type of effective complex coagulant polysilicate aluminum ferric salt was prepared from coal gangue and pyrite slag and used as coagulant in the treatment of tanning wastewater.

用煤矸石及硫铁矿烧渣作原料制备了一种高效复合混凝剂聚硅酸铝铁，并将其用于制革废水的处理。

ABSTRACT Polysilicate aluminum and ferric saltflocculant was prepared from coal refuse and pyrite slag, and was used as flocculant in the treatment of dyeing wastewater for removing turbidity and COD and decolorizing.

摘 要 研究利用煤矸石及硫铁矿烧渣作原料制备PSAAF并用于印染废水的处理。结果表明，PSAAF有良好的除浊、脱色和除COD性能；尤其对亲水性染料，具有独特的去除效果。

A new type of effective complex coagulant polysilicate aluminum ferric salt was prepared from coal gangue awl pyrite slag and used as coagulant in the treatment of vegetable oil wastewater.

用煤矸石及硫铁矿烧渣作原料制备了一种高效复合混凝剂聚硅酸铝铁，并将其用于植物油脂废水的处理。

The polytropic index can be calculated according to the experiment data of coal temperature, the free gas expansion wor.

多变指数可以通过实验测定的煤体温度来计算，吸附瓦斯和游离瓦斯的膨胀功可以利用多变指数计算。

The strongly nonlinear pore structures of pulverized coals can be described by the fractal theory. The pore fractal dimensions of 10 pulverized coals, which are in the range of 2.572~2.722, were analyzed on a N2 adsorption porometer. The apparent viscosities of coal water slurries were measured on a Haake rotary viscometer.

用分形理论能描述具有强烈非线性特征的煤粉孔隙结构，利用氮吸附仪分析得到10种煤样的孔隙分形维数为2.572~2.722，利用Haake黏度计测量水煤浆黏度，讨论了孔隙分形、水分、氧量和可磨性指数等对水煤浆性质的影响规律，得到相关的拟合经验公式。

In Taiwan, a huge amount of iron blast furnace slag and coal combustion products are produced, and they are mainly reproduced added into the cement as the pozzolanic materials.

台湾地区每年产生的水淬高炉石与燃煤飞灰数量庞大，目前主要的再利用途径是作为波索兰材料添加於水泥用料中。

That is at least double what a coal-burning power plant would cost, and Mr. Romm said that it was only the preconstruction estimate of an industry famous for cost overruns.

这是说，至少有一倍一座燃煤电厂的成本，罗姆先生说这只是一个著名的行业的预先成本超支现象。

The status of Chinas coal resource distrbution and perspective prediction were discussed,based on the third national coalfield predictional data,sponsored by China Nation Administration of coalfield geology.

以中国煤田地质总局组织完成的第三次全国煤田预测资料为基础，论述了中国煤炭资源的分布现状与前景。

Finally it offers the analysis of the fault-tolerance system as well as its test verification.

这样，运行于空间环境中的系统的设计目标就是在保证系统实时性

However, it is still difficult to find out the real reason of the increase of the keratinized gingiva during the orthodontic extrusion whether it is due to the proliferation of the gingival tissue or to its elastic nature, that is because the proliferation of the fibroblasts as well as the connective tissue changes in volume and the intra-fibers spaces were all immeasurable in most of the studies.

然而，仍然难以找到真正的原因增加的角化牙龈在正畸挤压它是否是由于扩散的牙龈组织或其弹性性质，这是因为增殖的成纤维细胞以及作为结缔组织的变化量和内部纤维空格都是不可估量的，大多数的研究。