查询词典 coal

The biomass compound coal composed of anthracite coal,corn haulm and loess was taken as the object of study.

以无烟煤、玉米秸秆和黄土为原料，研究了玉米秸秆含量为5%~35%的生物质型煤在不同试验条件下的燃烧特性。

Using modern biology research technique and means,plasmid extract and agarose gel electrophoresis of molecular biology level explore test were carried out for coal with not coal department the hereditary property of Thiobacillus ferrooxidans.

利用现代生物学研究方法和手段，对煤系与非煤系氧化亚铁硫杆菌的遗传特性进行了质粒抽提和琼脂糖凝胶电泳等分子生物学水平的基础性探索试验，对于质粒在硫杆菌中普遍存在的观点提出了质疑。

With rich local reserves of weathered coal resources, coal resources from the weathering of the Yellow Humic extract high molecular weight small, strong activity, performance, and Chinese are the best one of Yellow Humic mineralization.

当地具有丰富储量的风化煤资源，从该风化煤资源提取的黄腐植酸含量高、分子量小、活性强、效能好、是中国最好的矿化黄腐植酸之一。

It can measure the brake clearance of hoister of coal mine,track the brake actions and display the clearance value in real time,and alarm when the clearance value goes beyond the demand of the coal mine security rules.

介绍一种基于单片机的闸间隙检测技术，利用它可以实现对煤矿提升机制动闸的间隙测量，实时跟踪闸的动作，显示闸间隙值，并在提升机制动闸的间隙超出煤矿安全规程要求时报警指示。

Department of Nursing,North China Coal Medical College(Tangshan 063000,China)Abstract: Objective The actuality and affecting factors of housebound old working in a coal group were investigated.

目的 探讨某煤业集团离退休老年职业人群中居家不出发生的现状及影响因素。

The cost of coal for industry boiler is hugeness. It occupies about third coal in our country.

工业锅炉能耗巨大，占我国原煤产量的三分之一左右。

On the basis of gas migration equation -Darcy Law,coal seam gas content equation -parabola equation ,ideal gas state equation and the continuity equation s of the gas flow,a dynamic model of gas unilateral flow in the coal seam is set .

根据基本假设，对煤层瓦斯流动规律进行了研究，运用瓦斯运动方程—达西定律、煤层瓦斯含量方程—抛物线方程、理想气体状态方程以及气体流动的连续性方程，建立了煤层单向瓦斯流动的动力学模型，并根据边界条件和初始条件，对动力学模型进行了求解，推导出煤壁单位面积的瓦斯涌出量的计算公式，分析了瓦斯涌出量的影响因素，利用测得的数据，进行了实例计算，并用vc编制了计算机程序。

It introdues ideograph,intension,structure and implementation of safty starlight big system manage-ment method in Shegejie coal mine of LuAn coal group company.

介绍了山西潞安矿业有限责任公司石圪节煤矿推行的安全星光大系统管理法的表意、内涵、结构和实施效果。

The already imperfectly becoming the bottleneck of development of coal enterprise of the human resources management system of the coal enterprise at present.

目前煤炭企业的人力资源管理制度的不健全已经成为煤炭企业发展的瓶颈。

As a new material with many functions: being light, heat insulation, bearing acid and alkali, non-toxic, incombustible, not having fetid odor, the floating bead of pulverize coal ash was firstly chosen to produce light preservation material. In the article, a suitable production way and a new method of using pulverize coal ash systematically were found, which had active effect on stove industry and the refractoriness of light preservation brick with floating bead is 1100~1300℃, the suitable temperature was 400~1150℃, thermal conductivity is 0.105~0.127W.

粉煤灰漂珠作为一种新兴多功能材料，由于它具有轻质、绝热、耐酸碱、无毒、不燃烧、无臭味等特点，将之用作生产轻质保温材料首选材料，并探索出一条合理的生产工艺路线，为粉煤灰的综合利用开辟了一条新途径，对窑炉工业的发展将产生积极的推动作用；生产的轻型漂珠保温砖的耐火度为1100~1300℃，最佳使用温度为400~1150℃，导热系数为0.105~0.127W。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。