The formation of large mud-waves on the levees of Toyama Deep-sea Channel in the Sea of Japan;
日本海富山深海水道堤坝大型泥波的成因
At the end of the 18th and the beginning of the 19th century,the modern Portland cement concrete was developed following the hydraulic lime s improvement.
现代波特兰水泥是在18世纪末19世纪初随着水硬性石灰的发展而发展起来的。
The hydration and setting of Portland cement PZ35F in the presence of sucrose were studied in terms of the measurement of chemically bond water,Ca(OH)_2,AFt and observations on the fracture surface of cement paste.
通过测定化学结合水、Ca(OH)2和AFt生成量及观察浆体断面形貌,分别研究了同掺和后掺蔗糖对德国波特兰水泥PZ35F水化和凝结的影响,并探讨了蔗糖的调凝机理。
Based on the change of resistivity during hydration the induction period of Portland cement hydration was studied.
用电学方法研究了波特兰水泥的水化诱导期。
The paper designed sonic propagation model of three-stratum medium,presented the conception of slide wave of mudcake and refracted slide wave of mudcake in first time and gave the computational formula of delta time when existing mudcake.
本文设计了一种三层介质的声波传播模型,首次提出了泥饼滑行波和泥饼折射滑行波的概念,给出了存在泥饼时的声波时差计算公式。
corrugated asbestos cement sheet roofing
石棉水泥波形瓦屋面
Asbestos-cement corrugated sheet and ridge tile
GB/T9772-1996石棉水泥波瓦及其脊瓦
reinforced asbestos-cement middle corrugated tile
钢丝网石棉水泥中波瓦
Analysis of Acoustic Full-waveform in Low Density Cement Cased Hole
低密度水泥套管井中声波全波波形分析
Interaction between Regular or Irregular Waves and Muddy Bottoms;
规则波、不规则波与淤泥质底床的相互作用
Research on EPS Based Absorbing Spheres and Cement Based Absorbing Plates;
EPS基吸波球体和水泥基吸波平板的研究
Study on wave-absorbing properties of cement mortar with wave-shaped steel fiber
波浪型钢纤维水泥砂浆吸波性能的研究
White's South African Portland Cement Company, Ltd.
怀特南非波特兰水泥有限公司
testing method for fineness of portland cement by air permeability apparatus
波特兰水泥粒度试验-空气渗透设备法
The muddy water has a choppy and irregular surface.
泥水表面波浪滔滔且不规则。
Numerical Simulation of Wave, Tidalcurrent and Sediment of Estuary and Coast;
河口、海岸波浪、潮流、泥沙数值模拟
Effects of Ultrasonic Pretreatment on Drying Characteristics of Sewage Sludge
超声波预处理对污泥干燥特性的影响
Study on rapid determination of moisture content in sewage sludge by microwave oven
微波炉快速测定城市污泥湿度的探讨
Research on Cement-based Shaped Steel Fiber for Wave-absorbing Properties
异型钢纤维水泥净浆的吸波性能研究
Research on Effect of Pretreatment on Properties of Digestion of Diaspore
微波预处理矿石溶出赤泥的比较研究
A discussion on the mechanism of acoustic cement bond logging
固井水泥胶结声波测井声学机理探讨
MICROWAVE ABSORBING PROPERTIES OF SINGLE-LAYER AND DOUBLE-LAYER CEMENTITIOUS PLATES
单/双层水泥基平板的微波吸收性能
Experimental study on incipient motion of coherent silt under wave and flow action
波、流作用下粘性淤泥的起动试验研究