With the study of the cement flow rule in the crack, we analyzed the influence to diffusion radius by the grouting pressure, cement rheological parameter and grouting time.
通过研究水泥浆液在裂隙中的流动规律，分析了灌浆压力、浆液的流变参数和灌浆时间对扩散半径的影响。
The report indicates that a bad cement seal on the oil well allowed gas and other liquids to flow up the production pipe.
这份报告表示，油井上一个有问题的水泥塞使得天然气和其他液体通过生产管道涌向海面。
The float shoe prevents reverse flow, or U-tubing, of cement slurry from the annulus into the casing.
浮鞋能够防止环空中的水泥浆向套管内流动这种回流或者U型管效应的发生。
A float collar is placed at the top of the float joint and a float shoe placed at the bottom to prevent reverse flow of cement back into the casing after placement.
浮箍是放置于浮动接头之上的，而浮鞋则是放置于浮动接头之下，以防止水泥浆回流到套管内。
Consequently, research and numerical simulation on flow, combustion and decomposition in pre-calcined systems is one of the important research problems in cement industry.
因此，对新型干法水泥核心设备—预分解系统内流场、燃烧及分解等相关问题进行系统研究与分析已成为水泥工业领域中的重要研究课题之一。
The paper advances the new technique of wet dust separation by spiral flow board separation technique based on the present situation of tail gas from Cement Vertical Furnance harnessing.
针对水泥立窑尾气治理现状，提出以旋流板分离技术为核心的湿式除尘新技术。
The vertebroplasty system investigated in this study comprises a high viscosity PMMA cement and USES a hydrostatic pressure hand piece for enhanced cement allocation and flow control.
本研究中的椎体成形术系统包括高粘度PM MA水泥，并使用一种流体静压手件以加强水泥调配和流量控制。
Cement additives are used to change the cement's density, setting time, compressive strength, flow properties and dehydration rate, to cause the cement to expand, and to reduce the cost of the cement.
水泥添加剂用来改变水泥的密度、凝固时间、抗压强度、流动性能和脱水率，并用来使水泥膨胀以及降低水泥成本。
Especially suitable for greatly reduce the dosage of cement with special requirements performance pumping concrete, concrete products, flow state concrete, mass concrete foundation and RCC.
特别适用于要大幅度降低水泥用量的有特殊要求性能的泵送混凝土、商品混凝土、大流态混凝土、大体积基础混凝土及碾压混凝土。
The oil giant then tried to shoot heavy drilling mud into the hole to hold down the flow so it could then insert a cement plug.
这个石油巨头后来尝试向裂口中喷入比重高的钻探泥浆，企图堵住外流的原油，然后用一个水泥塞子堵住缺口。
In this paper we study the two typical cement production equipment, hot stove and decomposition furnace, and use CFD technology simulate its internal heat flow field.
本文针对热风炉和分解炉两种典型水泥生产装备为研究对象，利用CFD技术对其内部热态流场进行数值模拟。
Accurately distinguishing the flow regime of the liquid in well is very important for optimizing drilling design and operation and guaranteeing cement replacement quality.
准确判另井内液体的流态，对钻井优化设计和施工、保证注水泥顶替质量是非常重要的。
AN adding more water reducer greater the viscosity of cement decreased the flow.
加入AN越多，减水剂的粘度越大，水泥的流动性降低。
A chemical additive that reduces the cement slurry viscosity to improve fluid-flow characteristics.
降低水泥浆粘度以改善流体流动特性的化学添加剂。
Serials of naphthalin and tripolycyanamide have low water reducing efficiency, bad flow degree under low water cement ratio and sharp loss of concrete slump.
萘系与三聚氰胺系减水率较低，在低水灰比下流动性较差且坍落度损失较大，不利于商品混凝土的运输和施工。
By this way the burst cement pipe could be repaired under water flow with working pressure.
叙述了带水带压使用导气导流法，辅以快速堵漏剂进行维修的新方法。
A low density cement slurry of zero thickening transition period which was appropriate to low temperature and shallow flow cementing operation in deepwater was introduced.
介绍了一种新型的用于海洋深水低温浅层流固井作业用的零稠化转化时间低密度水泥浆体系，该水泥浆体系采用新型高强快速凝固水泥制备。
Adopt the touch control panel, the numerical indication of cement temperature, flow rate and temperature of cement output, and the stepless adjustment of cement output.
采用触摸式控制面版，溶胶温度、出胶流量、出胶温度数字显示，出胶量无级调节。
Vortex Hydra has founded its system on the proved technology of the extrusion processs of a wet mix of sand and cement between a flow of aluminium pallets and a feeding-shaping head.
沃泰克斯公司的设备采用可靠的挤出成形工艺。混凝土(水泥、沙子)通过铸铝托板和成形挤出头被挤出成产品。
The time when the cement slurry's column pressure reduces to the water column pressure before or after initial set is directly related to whether or not formation fluids flow out during wait-on-time.
水泥浆的有效浆柱压力是在初凝前还是在初凝后降低至水柱压力，直接关系到能不能在固井候凝过程中压稳地层流体、实现压稳防窜候凝。
Hence, it is very important for optional selection the additive preventing the gas flow effectively, and developing good cement slurry for preventing the gas flow.
因此，优选有效的防气窜添加剂，研制性能良好的防窜水泥浆就显得十分重要。
Wearable cement agglomerated stone tiles can be used in subways, shopping malls, supermarkets, schools, railway stations, and other places with high pedestrian flow.
耐磨型水泥合成石适用于地铁、商场、超市、学校、火车站等人流较多的场所。
Using cement retainer squeezing technology can prevent the cement backward flow, and CAM let the residual cement through the upper party to recycle to the ground.
采用水泥承转器挤水泥技术能防止挤水泥浆倒流，且多余的水泥浆能从工具的上部反循环至地面。
A kind of device which can keep the casing at the center of borehole and can also generate helical flow of cement slurry, which is the Spring Whirlflow casing Centralizer, is presented in this paper.
提供了一种既能保证套管居中，又能产生水泥浆环空螺旋流的套管弹性旋流扶正器。
A kind of device which can keep the casing at the center of borehole and can also generate helical flow of cement slurry, which is the Spring Whirlflow casing Centralizer, is presented in this paper.
提供了一种既能保证套管居中，又能产生水泥浆环空螺旋流的套管弹性旋流扶正器。
应用推荐