Finally, some basic strength indexes of C20 ~ C40 recycled concrete with 100% RCA are proposed.
最后，针对再生粗集料取代率为100%的C20 ~C40再生混凝土主要强度指标的取值提出了建议。
Programmable controller C20 is used in the program control of TIG automatic welding on manufacturing micro motor shell and stator core.
利用C20系列可编程序控制器对微电机加工制作中的定子铁心、电机壳体t IG自动焊接实现过程程序控制。
In the test, the strength grade of concrete is C20 and C60, and the cementitious system contains 10%, 20%, 30% and 40% of fly ash in accord with weight.
实验中应用的混凝土的强度等级分别为C20和C60，其中粉煤灰的掺量(胶凝材料的质量分数)分别为未掺、10%、20%、30%、40%。
Based on the results of Bayes estimations, the standard deviations for the compressive strength of RAC with strength grades of C20 and C30 were proposed.
根据统计分析和贝叶斯估计结果，建议了强度等级为C20和C30再生混凝土抗压强度的标准值与标准差的取值。
Electronic band structure calculations show that sc-C20 is a semiconductor with wide band gap of 4.20 eV, and the gap increase with pressure, similar to that of diamond.
电子能带结构计算表明sc - C20为宽带隙(4.20eV)半导体型碳，并且随着压力升高带隙呈现增大的趋势，sc - C20带隙的大小及变化规律与金刚石相似。
He slipped end-over-end machine in the process of casting he slipped end-over-end should pay attention to the seat, cut water ring with the concrete pouring concrete C20.
涵管机在浇注涵管的过程中要注意管座、截水环混凝土采用C20的混凝土浇注。
The sc-C20 is metastable under ambient pressure, and is more stable than graphite at high-pressure (100 GPa), indicating that it can be synthesized through high-pressure.
在常压下sc -C20可以亚稳存在，当压力超过100gpa时，sc - C20比石墨稳定，表明其通过高压手段合成的可能性。
The concrete strength can get the C20 or C30 grade when the structure is reinforced in the non-stop condition, which achieves the expected function and notable economic performance.
在不停产的条件下，对结构进行加固，使混凝土强度达到C20、C30强度等级以上，达到预期的使用功能。
The corrosion resistance of some structural materials, including stainless steel SS304L and carbon steel C20, for the container of the alloy over a long heat storage or release period was studied.
研究了该合金在长期储放热过程中对容器材料的腐蚀。腐蚀试验选用的容器材料是不锈钢（SS304L）和碳钢（C20）。
An analytical procedure for the determination of C12-C20 saturated aliphatic acids and oleic, linoleic, linolenic acids, major toxic constituents in effluents from pulp and paper mills, is presented.
本文介绍了造纸废水中C_1~2—C_20饱和脂肪酸、油酸、亚油酸、亚麻酸等主要毒性污染物的测定方法。
An analytical procedure for the determination of C12-C20 saturated aliphatic acids and oleic, linoleic, linolenic acids, major toxic constituents in effluents from pulp and paper mills, is presented.
本文介绍了造纸废水中C_1~2—C_20饱和脂肪酸、油酸、亚油酸、亚麻酸等主要毒性污染物的测定方法。
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