查询词典 coal

Main business: coal, Metallurgical coke, Bituminous coal, Coking benzene, Fuel oil, Mixed Oil, Refined Naphthalene , washed oil, Anthracene oil etc. GB products.

主营：煤炭、冶金焦、煤焦油、中温沥青、改质沥青、焦化苯、混合苯、燃料油、混合油、精萘、工业萘、硫酸铵、粗苯、洗油、蒽油等国标产品。

Combustion experiments were performed by burning Wulanmulun coal in a drop tube furnace to study ash formation behaviors during O2/CO2 pulverized coal combustion.

煤炭等燃烧产生的CO2对环境的危害已引起全球关注，各国政府正投入大量的人力物力研究开发CO2减排和封存技术。

By using AAS and XRF, the contents of Cr, Pb, Mn, As, Se, Hg, Cd, Zn in raw coal, bottom ash and fly ashes are measured quantitatively in a 220 t/h pulverized coal boiler. Factors affecting the distribution of trace elements are investigated, including fly ash diameter, furnace temperature, oxygen content and trace elements' characters. The coefficient of Meij is also improved to more directly show element enrichment in combustion products. Elements may be classified into three groups according to volatility features of trace elements.

采用原子吸收分光光度计和X射线荧光光谱仪，定量测定了电厂煤粉炉中原煤、底渣、飞灰中Cr、Pb、Mn、As、Se、Hg、Cd、Zn等微量元素的含量，分析了飞灰粒径、炉膛温度、炉内含氧量、微量元素自身性质对微量元素赋存、挥发特性的影响，并根据元素的挥发特性将元素进行分类，得出表征微量元素排放特性的3种数值，并与我国和欧盟垃圾焚烧微量元索排放标准相对照。

Based on this,it takes the actual bridge test of stress powdered coal ash high-functioned concrete pile,and offers foundations for the application of stress powdered coal ash high-functioned concrete on railway bridge and choice of designing p.

研究了粉煤灰高性能混凝土梁在重复荷载作用下的力学性能，并探讨了粉煤灰掺量(0%~40%)、混凝土标号(C50~C80)及养护条件等因素对预应力粉煤灰高性能混凝土梁力学性能的影响，在此基础上进行了预应力粉煤灰高性能混凝土梁的实桥测试，为粉煤灰高性能混凝土在铁路桥梁上的应用及设计参数的选取提供了依据。

He is the member of the Chinese Metal Association, and Science and Technology Association of Zhangjiakou City, and he has obtained numbers of qualifications, such as, the National Labor Protection and Supervision Inspector of People's Republic of China, the Mining Technician, the Security Assistant Engineer, the OSHMS Auditor, the Hazard Chemicals Supervision Qualifications of Hebei Province, Statistics Qualifications of Hebei Province, Quality Control Qualifications of China, Safety in Production Management Qualifications of Hebei Province, Non-coal Mine Safety Control Qualifications of Zhangjiakou City, Non-coal Mine Safety Control Qualifications of Hebei Province, and so on.

加入了中国金属学会会员，张家口市科技协会会员，取得了中华全国劳动保护监督检查员、采矿技师、安全助理工程师、OSHMS内审员、河北省危险化学品管理资格、河北省统计资格、中国质量管理资格、河北省安全生产管理资格、张家口市非煤矿山安全管理资格、河北省非煤矿山安全管理等资格。

This paper introduces bolting technology with wire meshes,beam and cable anchor and parameter design of main support in 1113(3) conveying workface of zhang ji coal mine,through surveying to combined rock pressure of driving and coal winning,it proves feasibility about bolting with wire meshes,beam and cable anchor in large cross section composite roof roadway.

介绍了张集煤矿1113(3)综采工作面运输巷，采用锚梁网索支护技术解决巷道支护过程中的难点及确定合理支护参数，通过对掘进和回采期间的综合矿压观测，证明锚梁网索支护在大断面复合顶板煤巷中应用是可行的。

Chemical looping combustion of coal with CaSO4 as an oxygen carrier was experimental investigated in a fluidized bed as a fuel reactor. Coal and steam were introduced to the fuel reactor that contained CaSO4 particles.

基于CaSO4载氧体的煤化学链燃烧技术，采用小型流化床模拟燃料反应器，对煤气化 CaSO4还原反应展开实验研究。

Is the professional production of fan manufacturers, are: gas compression centrifugal blowers; boiler drum with centrifugal fan; generally low, medium, high-grade centrifugal fan, high-temperature preservation centrifugal fan; coal centrifugal ventilation ; Row chemical dust centrifugal fan; general Axial Fan; mining and energy-saving Axial Fan coal mine blast by axial fans.

禹州市鸿华机械制造有限公司是风机生产的专业厂家，主要有：煤气加压离心鼓风机；锅炉离心鼓引风机；一般低、中、高档离心通风机；高温防腐离心通风机；煤炭离心通风机；排尘化工用离心通风机；一般轴流通风机；矿用节能轴流通风机及煤矿防爆用轴流风机。

The results of combustion process numerical simulation of blends in blast pipe and tuyere raceway indicated that the total combustion efficiency of blends could come up to more than 90%, the combustion behavior of injecting blends in tuyere zone is between that of injecting coal and waste plastics. Hence, injecting blends of coal and waste plastics in blast furnace is feasible in theory.

高炉喷吹煤与废塑料混合燃料过程数值模拟结果表明：燃料总的燃烧效率能达到90%以上，高炉喷吹煤与废塑料混合燃料物在高炉风口区的燃烧行为介于高炉单独喷吹煤粉和废塑料两者之间，高炉喷吹混合燃料煤与废塑料在理论上是切实可行的。

Think unbalance of supply and demand of our country coal is the result that all sorts of contradictory concentration show, former some is produced need to join means is on certain level block up the development of coal economy.

认为我国煤炭供求失衡是各种矛盾集中显现的结果，原有的产需衔接方式在一定程度上阻碍了煤炭经济的发展。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。