重介质选煤因其分选精度高而被广泛应用。
Heavy - medium separation method is in widespread use for its high separation precision.
可以有选择地或者附加地使用重介质系统或者砂石漂浮过程。
A heavy media system or a sand float process can be used either alternatively or additionally.
新型三产品重介质旋流器是一种先排矸的三产品重介质旋流器。
The novel three-product dense medium cyclone is a type of three-product cyclone with refuse discharging firstly.
三重介质试井分析需要解释的参数较多,用人工拟合非常困难。
It is very difficult to match well test data of triple medium reservoir by hand because there are more parameters to be analyzed.
着重就重介质旋流器工况下氧化铝陶瓷衬里的腐蚀磨损做了探析。
Under the certain working of the dense medium cyclone, have done the discussion in corroding wear of the Al_2O_3 ceramics lining of dense medium cyclone emphatically.
为了降低介质消耗,桃山选煤厂在重介质系统中进行了一系列的改造。
To reduce medium consumption, a series of transform were carried out in heavy medium system in Taoshan coal preparation plant.
本文用分解的方法求得了有限封闭地层中三重介质弹性渗流的精确解。
This paper obtains the exact solutions for the unsteady radial flow equations of the slightly compressible liquid through a medium with triple-porosity by using the method of decomposition.
本设计采用重介选煤工艺,其主要设备是无压给料三产品重介质旋流器。
The design adopt the heavy medium Preparation technique, and its main equipments are three-product dense medium cyclone by unpressurized feeding.
本砂泵用于输送矿浆或其它重介质液态加重剂,矿浆浓度最大为50%。
The sand pump for conveying liquid slurry, or other heavy-medium increase agent, slurry concentration of up to 50%.
文章针对选煤厂重介质密度的自动调节系统设计了一种自适应神经元控制器。
In this paper, a self adapting nerve cell controller based on auto regulating system of density of heavy medium of coal preparation plant is designed.
在重介质选煤过程中,重介质悬浮液工艺参数的变化对分选效果有显著的影响。
In dense medium coal preparation process, the changes of suspension technological parameters obviously affect the coal preparation result.
分析了重介质系统管路中平板闸阀存在的问题,介绍了改进后的耐磨特点和性能。
The paper analyses the problems of existing flat gate valve used in dense-medium system pipeline and introduces anti-friction qualities and functions after improvement.
重力选矿的设备形式多样,品种繁多,立轮重介质分选机就是重力选矿的重要设备。
There are different species and diversities of gravity mine equipment and vertical-wheel dense media size classification machine is one of the important one of them.
分析了空气重介质流化床选矿方法与其他传统选煤方法在保持密度稳定性方面的差异。
The paper discusses the difference between coal dry beneficiation with air dense medium fluidized bed and other traditional separations in keeping density stability.
本文把单相流体在三重介质中的流动视为一更新过程,从而用新方法建立了数学模型。
The monophase fluid flow in triple media is considered as Markovian renewal process, and a mathematical model is set up with a new method in this paper.
单一介质、双重介质、三重介质非定常达西渗流及组合油藏达西渗流,只是上述问题的特殊情况。
The unsteady Darcy flow and the Darcy flow in composite reservoirs through porous medium, double medium and triple medium are special cases of their own.
重介质旋流器的介质为高密度悬浮液,在离心力的作用下,矿物主要在重介质旋流器中按比重分离。
The medium of is suspending liquid with high density. Under the action of centrifugal force the minerals are separated according to their specific gravity in the heavy medium cyclone.
重介质选煤工艺,对产品中脱除的磁性介质进行回收、再生,是提高这一工艺经济实用性的有效方法。
The recovery of magnetic medium separated from product is an effective way to improve economic profit of dense medium coal separation technology.
还对目前已获得良好的实验室试验结果的微细介质小直径重介质旋流器与细泥选择絮凝分选组合工艺做了介绍。
The article also introduces the micro - fine medium small diameter heavy medium cyclone and fine slime separation floe separation group technology.
本文在分析气固流化床特性的基础上,对流化床干法分选理论进行了深入研究,揭示了空气重介质流化床的分选机理。
The paper introduces the theory of coal dry seperation and the mechanism of fluidized bed using gas as heavy medium.
根据重介质旋流器的实际应用情况,对重介质旋流器进行开发设计,提高了重介质旋流器实际应用中的分选效果和寿命。
According to the using condition of heavy medium cyclo ne, this paper develops and designs heavy medium cyclone. It improves separating effect and life in practice.
在无压给料三产品重介质旋流器分选过程中,由于物料的切向速度可能会滞后于重悬浮液的切向速度,致使精煤受矸石污染;
In the course of separation within a three-product HM cyclone, the tangential velocity of particles are slack behind that of heavy medium, leading to contamination of dirt in concentrate;
而弹性储容比和窜流系数的影响和普通三重介质相同,只是由于非牛顿流体的影响其“凹陷”的位置升高;外边界的影响也和牛顿流体的情况明显不同。
The storativity ratio and inter-porosity flow factor is just same as the newtonian fluid, and the effect of outer-boundary on transient pressure is different from that of newtonian fluid.
本文介绍了潘三矿选煤厂重介质密度自控系统的构成和工作原理,总结了该系统设计的特点,并分析了该系统在实际运行中存在的问题,提出了改进的措施。
The problems of the old heavy medium system are analyzed, the reform measures are made, and the resule of the reform is introduced, which have a certain reference significance.
渣油或者渣油与各种重质油掺合后的混合原料体系的稳定性取决于其分散相与分散介质的配伍性。
The stability of the system of residue or a variety of mixed oils depended predominantly upon the mutual compatibility between dispersed phase and dispersion medium.
避免重腐蚀介质长期浸泡地板漆膜,扩散轻率腐蚀性酸和碱等,请及时清洁酸和碱介质。
To avoid heavy corrosion medium long-term immersion floor paint film, the proliferation of lightly corrosive acid and alkali, etc.
重质碳酸钙可提高其耐油性,有机硅密封胶中的增塑剂在油类介质中会发生迁移。
The oil resistance could be improved by the addition of calcium carbonate. Plasticizer in oil media would migrate. It could be used as formed-in-place gasketing of mechanical part.
降低介质消耗是降低重介选煤厂精煤成本的关键。
Reducing medium consumption is a key of reducing refined coal cost heavy media coal preparation plant.
本文比较了在甲醇介质下,2-苯基吲哚(1)单重态氧反应中的捕捉反应以及2-苯基-3H-吲哚-3-酮(4)的亲核加成反应特征。
Trapping reactions in singlet oxygenation of 2-phenylindole (1) and nucleophilic addition reactions of 2-phenyl-3H-indol-3-one (4) both in methanolic media were studied comparatively.
本文比较了在甲醇介质下,2-苯基吲哚(1)单重态氧反应中的捕捉反应以及2-苯基-3H-吲哚-3-酮(4)的亲核加成反应特征。
Trapping reactions in singlet oxygenation of 2-phenylindole (1) and nucleophilic addition reactions of 2-phenyl-3H-indol-3-one (4) both in methanolic media were studied comparatively.
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