This will cause resin dosage to increase in order to achieve the required sand strength.
为达所需强度只得增加树脂使用量。
When used in the sand casting of resin, it can strengthen the adhesion, improve profile sand strength and antiwetting property.
树脂砂铸造中，增强树脂硅砂的粘合性，提高型砂强度及抗湿性。
The differences of the distribution of the moulding sand strength after compacting with pattern or not as well as resilient phenomenon and the mechanism of appearing "bridge" were analysed.
分析了无模样和有模样紧实后型砂强度分布的差异，以及回弹现象和“桥”的产生机理。
After a few years building up strength, they swim back to the beaches were they were born to lay up to 150 eggs at a time in holes dug in the sand.
几年过去了，它们的力气增强了，他们便游回了他们的出生地，在那里繁衍下一代，他们一次可以产下150个蛋，然后挖个洞把这些蛋埋在沙子里。
Sand is mulled (mixed) thoroughly with additives such as bentonite to increase bonding and overall strength.
型砂与膨润土之类的添加剂充分地混合以增强连接及整体强度。
Such as sand not clean (mud high content), sand the fineness modulus too high or too low, also can make the strength of concrete is reduced, and the water increased.
如砂石不干净(泥含量较大)、砂的细度模数过高或过低等，也会使混凝土强度降低、泌水性增加。
Medium hard formation with high compressive strength. Such as limestone, taconite, blaize, quartzite, silica sand, basalt, granite ect.
高抗压强度的硬地层，如硬石灰岩。燧岩。硬砂岩。石英岩。石英砂。玄武岩。花岗岩等极硬岩层。
This paper introduces the test results and calculative method by using the composite foundation of sand-stone pile and concrete pile with low strength.
本文通过试验与工程实践，介绍采用碎（砂）石桩及低强度混凝土桩组合构成复合地基的试验成果、计算方法及应用检测成果。
The computed rock compressive strength with the established regression model can support exact compressive strength for the establishing of sand prediction model for oil well.
利用该回归模型进行抗压强度的计算，可以为建立油井出砂的理论预测模式提供较为准确的岩石抗压强度数据。
Effects of heat performance on strength? Fractures and bending of coat sand were analyzed.
分析了覆膜砂在热作用下对型砂强度、断裂表面和变形的影响。
The shear strength of dry sand has been studied, the result shows the interlocking strength existing interdry sands compacted.
对干砂的抗剪强度进行了研究，认为型砂存在咬合强度。
Through the sand pill on the workpiece surface, eliminating stress, increase the surface strength, such as spring, machining tool and workpiece surface treatment such as plane blade.
通过砂丸敲击工件表面，消除应力，增加工件表面强度，如弹簧、机加工刀具和飞机叶片等工件的表面处理。
Because of the high dry density the dynamical strength of silty sand is higher than those of ordinary sands.
试验得到粉砂的动强度高于一般砂性土，主要是因为制样控制干密度比较大。
The causes that residual catalysts affect the curing velocity and cured strength of used sand bonded with furan resin and reclaimed furan sand were studied and discussed deeply.
就残留催化剂和其分解物影响呋喃树脂旧砂及其再生砂的固化速度和固化强度的原因作了较深层次的研究和探讨。
This research inquired into the shell mechanism of starch sand, the strength mechanism and its high temperature properties.
通过扫描电镜等手段探讨了淀粉砂的成壳机理、能够形成强度的原因以及耐高温性能等。
The sodium silicate sand prepared with higher modulus sodium silicate has advantages of low residual strength, short CO2 blowing time, high moisture absorption ability and surface stability.
使用较高模数的水玻璃混制的型砂具有残留强度低、吹CO2时间短等优点，并有好的抗吸湿性和表面稳定性。
The experimental results indicate that ultrasonic processing can improve the normal temperature strength of sodium silicate sand, but deteriorate its collapsibility.
试验结果表明，超声处理虽然提高了水玻璃砂的常温强度，却也恶化了溃散性；
The earth dam foundation at Heilongtan Reservoir in Lunan county, Yunnan province is consisted of silty sand Layer and silty soil with low bearing capacity and poor shear strength.
云南省路南县黑龙潭水库土坝基础属粉细沙层及低液限粉质土，允许承载力低，抗剪强度差，不足以维持坝体稳定。
Nanjing sand is anisotropic because of the schistous grain. Its horizontal strength is greater than that in vertical.
片状颗粒成分使得南京砂具有各向异性的性质，其水平向强度小于垂直向强度。
This paper discussed the relations of sand deposits with wind activity strength around the high windbreaks.
对高立式沙障处的风沙沉积情况与风沙活动强度之间的对应关系进行探讨。
The authors also try to improve grain composition of soil by replacing cement soil with some sand to reduce influence of environmental change to strength of cement improved soil.
本文还通过在改良土中置换一定比例的砂土来改善土料的颗粒级配，以降低循环失水对水泥土强度的影响。
The field tests of compressive strength of lime—sand brick masonry have carried out its durability and behaviour in moisture.
并通过灰砂砖建筑抗压强度试验，初步得出了这种砌体的耐久性及其在潮湿环境中的工作性能。
The sand is lack in the western China, so preparing self-compacting concrete with low and middle strength with Super Fine Mountain Sand and Artifical Sand is necessary.
西部地区河砂匮乏，应用特细山砂和机制砂配制中低强度等级的自密实混凝土是西部地区迫切需要开发的混凝土工程技术。
This paper has arrived at the compressive strength, shear strength, modulus of elasticity, poisson's ratio, moisture content, water absorption and softening factor of lime-sand brick masonry.
本文通过对灰砂砖及灰砂砖砌体的较系统的试验研究，得出了灰砂砖砌体的抗压强度、抗剪强度、弹性模量、泊桑比系数、含水率、吸水率及软化系数等。
Effect of clay content and rock powder of gravel and sand on concrete property is studied in this paper, include compressive strength, impermeability and dry shrinkage.
本文研究了石子和砂子的不同粘土含量、石粉含量对混凝土强度、抗渗性和收缩性能的影响。
But the composite modification material can not only improve the normal temperature strength of sodium silicate sand but also its collapsibility, so it is a relatively perfect modifier at present.
而作者开发的复合改性剂，既可提高水玻璃砂的常温强度，又可改善水玻璃砂的溃散性，是目前较为理想的改性剂。
The probability model distributions of permeability coefficient and anti-permeability strength of sand are studied by using the seepage deformation experiments.
通过粗砂渗透变形重复性试验，分析了粗砂渗透系数与抗渗强度概型分布。
This paper introduced to found a strength formula of the pit sand concrete depend upon the statistical principle, as well as the selected table of the sand ratio and water content.
本文作者介绍了如何利用统计学原理建立山砂砼强度公式、合理砂率选用表及用水量选用表，并说明了如何利用这几项技术指标进行配合比设计。
This paper introduced to found a strength formula of the pit sand concrete depend upon the statistical principle, as well as the selected table of the sand ratio and water content.
本文作者介绍了如何利用统计学原理建立山砂砼强度公式、合理砂率选用表及用水量选用表，并说明了如何利用这几项技术指标进行配合比设计。
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