This standard covers the requirements for primers to be used in conjunction with solvent cement for the chemical fusion of PVC pipe and fitting joints.
这个标准涵盖采用液状粘固剂进行底漆连接的要求，适用于PV C管道和连接件连接化学熔化。
Cement concrete as a large class of building materials has a wide range of using for different purposes, and the national standard has detail specifications.
水泥混凝土作为一大类建筑材料，有着广泛的用途，针对不同的用途，国家标准中有详细规范要求。
Among which the experiment group using 50% fly ash, 10% silica fume instead of ordinary Portland cement shows rather better durability either in standard curing or the accelerated aging experiment.
其中以粉煤灰50%、硅灰10%取代普通硅酸盐水泥的试验组，无论是试验室标准养护或是加速老化试验都表现出最优的耐久性。
But for the cement stabilized granular base material intensity standard still has some weakness.
但对水泥稳定粒料基层材料的强度标准仍然存在着认识上的不足。
Conclusion. The larger diameter screws were equivocal or significantly more resilient than the cement augmented standard diameter screws at the strongest of the insertion angles for all values.
结论：使用大直径螺钉仍存在争议，但它较骨水泥强化标准直径螺钉更具有弹性，在所有植入角度具有最大强度。
According to the national standard for cement, cement quality inspection work, this article summarizes the following points.
根据国家水泥检测标准，对于水泥质量检测工作，本文总结了以下几个要点。
Thus, a nonlinear viscoelastic constitutive relation for cement mortar based on standard linear solid model considering the evolution of the damage internal variable is established accordingly.
据此，在标准线性固体模型的基础上，考虑损伤内变量的演化，建立了应变率相关的水泥砂浆的非线性黏弹性损伤模型。
It has been shown that limestone can reduce drying shrinkage, standard consistency and setting time of high zeolite cement.
结果表明：石灰石的加入，提高了高沸石水泥的早期强度，降低了水泥的标准稠度、凝结时间及干缩率。
It discussed on the relating standard and demands to minimum cement dosage in concrete, and analyzed the misunderstanding reasons on the conception of "cement" nowadays.
本文着重讨论相关规范标准对混凝土最小水泥用量的要求，并对现时仍然存在的一些对“水泥”这一概念的认识误区进行分析。
The standard bearing capacity of single deep cement mixing pile and its displacement ratio are briefly described.
概述深层水泥搅拌桩； 设计单桩承载力标准值及置换率；
Since the execution of new national standard of cement, the cement strength drops obviously down.
实施水泥新国家标准后，水泥强度明显下降。
Cement clinker with aluminum modulus less than 1.4 can produce cement by finish grinding system with roller press, and the cement quality can fully meet the requirement stipulated in State Standard.
铝率小于1.4的水泥熟料采用辊压机终粉磨系统进行粉磨，水泥性能完全满足国家标准的要求。
When the pressure is greater than the standard of the plastic pipe, the pipe will break, slurry and cement will escape from the pipe and pollute the mine.
当料浆的自然压力大于塑料管的耐压值后，便可使塑料管破管，从而使生产中断，浪费大量水泥、尾砂，并造成井下污染。
Strengths of fly ash cement were tested according to the cement standard.
参照水泥标准测其各龄期的胶砂强度；
This standard is applicable to the test for fluidity of cement mortar.
本标准适用于水泥胶砂流动度的测定。
Combined with actual engineering in this paper the construction technology, quality control and the quality test standard of deep layered agitating cement pile are introduced.
结合工程实例，介绍了深层搅拌水泥桩的施工工艺、质量控制要点和质量检验标准。
For vertical cement kiln plants, whether the dust emission reaches the standard or not may be an existence-determining problem.
对粉尘进行达标治理，是决定立窑水泥生存的大问题。
Results show that, as the chemical gypsum was used as retarder, the cement properties can meet the requirements of the national standard.
研究结果表明：用化工石膏作缓凝剂，水泥性能符合国家标准规定。
The technology and equipment adopted can produce 32.5MP and 42.5MP types of cement in accordance with Chinese Standard GB175-1999. They can be adjusted according to market demand.
本技术和设备可生产符合中国水泥标准GB175-1999中的硅酸盐水泥，其强度为32.5MP、42.5MP，可根据市场需要进行调节。
After adopting ISO standard to test cement strength, equipment for producing cement from phosphor will face the challenge.
我国水泥强度检验方法如采用ISO标准或相当于ISO标准后，磷石膏制水泥装置将面临着严峻的挑战。
The cement can meet the standard of Portland cement of 42.5r and 32.5r grade in strengths when added to 20% and 30% lead-zinc tailing powder respectively.
加入20%尾矿粉后水泥可满足普通水泥42.5R的强度要求，掺加30%尾矿粉后水泥可达到普通水泥32.5 R的强度要求。
This standard specifies the theory, instruments & equipments, test conditions & materials, test methods, results and calculation of the test method for fluidity of cement mortar.
本标准规定了水泥胶砂流动度测定方法的原理、仪器和设备、试验条件及材料、试验方法、结果与计算。
Condensation time and strength of cement with pretreated phosphogypsum could match the standard, but the compatibility of phosphogypsum with clinker was quite different.
目前研究显示磷石膏经预处理后，凝结时间和强度能满足使用要求，但并不能说明磷石膏作为缓凝组分就能与水泥熟料很好适应。
The effect of water -cement ratio on the test result is studied, and a few problems involved in water - cement ratio test in National Standard (GB) is also discussed.
研究了水灰比制度对强度测试结果的影响。讨论了现行国标中水灰比制度存在的一些问题。
Test results showed that the best ratio of pearlite powder to cement was 15% for standard compressive strength of concrete when the strength was the highest;
对混凝土强度的绝对值而言掺合料的最佳掺量为15％（质量分数），此时混凝土强度最高；
Test results showed that the best ratio of pearlite powder to cement was 15% for standard compressive strength of concrete when the strength was the highest;
对混凝土强度的绝对值而言掺合料的最佳掺量为15％（质量分数），此时混凝土强度最高；
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