查询词典 gas coal

In December 2007 the early morning of 6, Hongdong County, Linfen City, Shanxi Province left-rural village of the original red light of the new kiln coal mine gas explosion, 90 miners died, without any security, rescue personnel and make the death of 15 People.

2007年12月6凌晨，山西省临汾市洪洞县左木乡红光村原新窑煤矿发生瓦斯爆炸事故，井下死亡90人，在无任何安全保障的情况下，又使得施救人员死亡15人。

The main product is: Metallic bellows expansion joint, Fabric expansion joint, metal hose, spring hunger and pipe support, air and gas duct pipe part, pulverized coal pipe part, some pressure vessel, and so on. We have seven workshops for different process, more than 300 sets of manufacturing and testing devices. We hope through cooperating with our clients, improving our management, all our staff's hard working, make JME and JPE one of the top-rank manufacturing and serving enterprises in the field, and create more values for customers.

主要产品有：波纹补偿器、金属和非金属软管、弹簧支吊架、碟簧支吊架、支座装置、烟风煤粉管道零部件、压力容器、全厂下设七个生产车间，拥有300多台生产和检测设备，我们决心通过和客户的精诚合作，通过自身管理的不断加强，通过全体员工的共同努力，把金山打造成一流的&生产、服务型公司&，为客户创造更多的价值！

A k-e-kp-e p two fluid model was introduced to study three dimensional flow behaviors of dense phase pneumatic conveying of pulverized coal in vertical pipe on the basis of the kinetic theory of granular flow, taking into account the turbulent interaction between gas phase and particle phase.

基于颗粒动力学理论，采用k-e-kp-e p湍流模式，对垂直管内高压密相上升流的三维流动行为进行了数值模拟，其颗粒浓度高达30%，并对部分模拟结果进行了实验验证。

China is the biggest coal producer and consumer. Also china has many gas accidents.

瓦斯是煤矿生产中的有害气体，它严重地威胁着矿工生命和国家财产的安全。

China is now the world's largest producer of coal, steel and cement, the second largest consumer of energy and the third largest importer of oil, which is why gas prices are soaring.

现在中国是世界上最大的煤，铁和水泥的生产者，第二大的能源消耗和第三大的石油进口国，这是为什么煤气价格如此的高的原因。

Carboniferous-Permian in the South of North China Basin is an important coal-bearing series with broad prospect in gas exploratory development in our country.

华北盆地南部石炭-二叠系是我国重要的含煤地层，其天然气勘探开发前景十分广阔。

In the paper,the alternative characters of current electric conduction of rock-coal porous medium with gas are studied.

研究了煤岩多孔介质及其充瓦斯后的交流导电性。

In the paper,the alternative characters of current electric conduction of rock-coal porous medium with gas are studied.

开展煤岩多孔介质及其充瓦斯后电性质的研究，对煤与瓦斯动力灾害的有效预防及煤层气的勘探开发具有重要的意义。

The host produces: The wedge type gate valve, the bright pole coal gas gate valve, the gate valve, the electrodynamic balance-like double damper plate gate valve, the box thread gate valve, the bright pole underground gate valve, the electrically operated dark pole wedge type gate valve, seals the gate valve, the knife gate valve, the cut-off valve, the box thread cut-off valve (Japanese-style, Soviet type), to turn on lathe softly opens the type check valve, to risefall the check valve, the noise elimination check valve, to clamp the small dish shape check valve, the vertical check valve, to stand lies the dual purpose check valve, the small dish shape by-pass valve, the by-pass valve, the stopcock, the Three Contacts stopcock, the plunger valve, the ball valve, the flange reed valve.

主产：楔式闸阀、明杆煤气闸阀、闸阀、电动平衡式双闸板闸阀、内螺纹闸阀、明杆地下闸阀、电动暗杆楔式闸阀、软密封闸阀、刀型闸阀、截止阀、内螺纹截止阀、旋启式止回阀、升降止回阀、消声止回阀、对夹碟形止回阀、立式止回阀、立卧两用止回阀、碟形平衡阀、平衡阀、旋塞阀、三通旋塞阀、柱塞阀、球阀、法兰蝶阀。

In order to well use 2t die forging hammer,desig n the half coal gas forge furnace of smoke abatement and energy conservation.

为使用好 2t模锻锤，设计了消烟节能半煤气锻造加热炉，详细介绍了该炉的设计要点、结构性能

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。