This thesis estimates siltation intensity of Guangli channel by the obtained data and the data of numerical simulation, and suggests the dredged sand volume from the channel every year.
本文利用已得的数据资料以及数值模拟后的数据资料进行了回淤强度的预算,并据此对航道疏浚后每年的清淤量提出了合理的建议。
USES material not qualified. Such as sand, stone, aggregate quality unqualified; In addition, mostly because cement volume expansion rate is too large (stability serious adverse).
所用材料不合格。如砂、石、集料质量不合格;除此之外,大多数是因为水泥体积膨胀率太大(安定性严重不良)。
However, Domestic technology lag behind foreign technology in some areas, such as volume control with plastic, sand thickness uniformity control.
但在一些关键技术上,如含胶量控制,夹砂层厚度均匀性控制,与国外同类产品还存在一定的差距。
The essence of concrete framework theory is to deduce the cement dosage of unit volume concrete from frame-mortar ratio, unit water dosage and deviated function of cement-sand ratio.
混凝土架构设计理论的实质,是通过架浆比、单位用水量以及砂灰比偏离三个参数推求单位水泥用量的过程。
By experimental study, how the moisture susceptibility and volume property was influenced by the FAA value of mixed fine aggregate which includes natural sand and stone chips was discussed.
在试验研究的基础上,探讨了在限定级配下,由天然砂与石屑混合组成的细集料的棱角性(FAA)对沥青混合料体积性质、水敏感性的影响。
The impedance data volume was used to predict the sand thickness and the effective sand thickness, showing a good accordance with the drilling results.
利用波阻抗数据体进行了砂岩厚度和有效砂岩厚度预测,预测结果与钻井结果吻合较好。
This paper presents the drained test of saturated tailing sand in dynamic simple shear apparatus by measuring volume change of the sample under cyclic loading.
本文通过对饱和尾矿砂在振动单剪仪上的排水试验,量测了试样在周期荷载下的体积变化。
In order to improve the operating performance of filter tank and propose the high production water volume, the traditional filter media was replaced by homogeneous particle quartz sand.
目的将快滤池的传统滤层改造为均粒石英砂滤层,为的是改善滤池的工作性能,提高产水量。
Effect of curing temperature, curing time, resistance to media, kind and volume of the sand-laden fluid, and particle size of proppant on fibre compound sand control system were discussed.
探讨了固化温度、固化时间、耐介质性、携砂液的种类和用量以及支撑剂粒径等对纤维复合防砂体的影响。
This model was examined with the changing of the length column packed Laojunmiao reservoir sand as well as the changing of flow volume injected flooding solution.
通过改变柱长和注入体积流量对所建立的模型进行了实验验证。
Extend rest period and thermostatic period, increase thermostatic temperature also could reduce the dry shrinkage rate of standard curing concrete sand mortar, evidently improve its volume stability.
延长预养时间和恒温时间、提高恒温温度可以降低蒸养纯水泥砂浆的干缩率,使其体积稳定性得到明显改善。
The traditional model is not fit for some actual gas reservoir such as channel sand, which can be described as a box-shaped drainage volume.
传统模型对于实际气藏中如河流相沉积为主的储层则不适用,这类气藏更适合建立箱式封闭地层模型。
The effect of curing regime, pre-wetting degree of lightweight aggregate, and the volume rate of sand on the frost resistance of high strength lightweight concrete is investigated.
采用快速冻融法研究了养护制度、轻集料的预湿程度和体积砂率对高强轻集料混凝土抗冻性能的影响。结果表明:轻集料混凝土具有良好的抗冻性能。
Through continuous automatical adjustion of the paragraphs fluid volume, ground sand concentration, proppant type and size and so on, the software finally designs fracturing process.
通过不断自动调整各段防砂液体积、地面加砂浓度、支撑剂类型和粒径等,设计出压裂施工程序。
For the gas storage, sand production is concerned with many important matters such as the life of the equipments, allocation volume, well completion system.
对于储气库而言,出砂问题关系着储气库设备寿命的长短、配产的大小、完井方式等重要问题。
Mixed with silica fume and silica fume to minus the volume of the same volume of sand and gravel.
掺硅粉和硅粉负的体积相同数量的沙石。
Mixed with silica fume and silica fume to minus the volume of the same volume of sand and gravel.
掺硅粉和硅粉负的体积相同数量的沙石。
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