Sculptures must, for example, be stable, which requires an understanding of the properties of mass, weight distribution, and stress.
例如，雕塑必须是稳定的，这就需要理解质量、重量分布和压力的特性。
Regardless of whether we consider the physical systems themselves or their individual constituent parts, they share some common physical properties, such as weight, length, width, height, etc.
如果不考虑它们究竟是作为物理系统还是作为某一个组成部分的话，它们共有着一些通用的物理属性，比如重量、长度、宽度、高度等等。
The effects of functionality and molecular weight of polyether polyols on the properties of one component polyurethane foam sealant were studied.
研究了聚醚多元醇的官能度及相对分子质量对单组分聚氨酯泡沫填缝（密封）胶性能的影响。
However some metals such as aluminum or magnesium have low densities and are used in applications that require other metallic properties but also require low weight.
然而，诸如铝和镁之类的一些金属则具有低密度，并被用于既需要金属特性又要求重量轻的场合。
However, some metals such as aluminum or magnesium have low densities, and are used in applications that require other metallic properties but also require low weight.
然而，诸如铝和镁之类的一些金属则具有低密度，并被用于既需要金属特性又要求重量轻的场合。
A person responsible for testing the mud at a rig and for prescribing mud treatments to maintain mud weight, properties and chemistry within recommended limits.
在钻井中负责泥浆测试，并负责泥浆处理而使泥浆重量、性能和化学性质保持在规定范围内的工作人员。
Isotopes are different varieties of the same element, which have identical chemical properties but differ in atomic weight.
同位素是同一元素的不同种类，它们有着相同的化学特性但是原子重量不同。
Once the optimum parameters are set, the physical dimensions, weight and other physical properties of the part will stay almost constant.
一旦设定了合适的成型参数，产品的实体尺寸，重量和其他物理性能将保持稳定。
There are changes in mechanical properties of the fabric such as weight, thickness, stiffness, permeability, or breaking strength and elongation.
有织物机械性能的改变，诸如重量，厚度，硬度，透气，断裂强力和伸长度等性能的改变。
The results showed that about 11% (weight fabrication) chopped fiber or 37% glass cloth reinforcing PTFE had the highest tensile strength and acceptable dielectric properties.
结果表明：11%短玻纤和37%玻纤布(重量百分含量)增强PTFE具有最高的拉伸强度和良好的介电性能。
The effects of the composition and molecular weight of the HDI oligomer on the properties of coating film were studied.
通过改变HDI齐聚物合成反应的条件，探讨了齐聚物的组成和分子量对涂膜性能的影响。
And tests showed that there are considerable advantages for aluminium triformate in area yield, area weight, firmness properties and ageing stability.
试验证明，采用三甲酸铝为鞣剂，成品革在面积得革率、单位面积重量、紧实性以及耐老化性等方面都具有优越的性能。
"Hollow" yarns have the properties with light-weight, flexible and more warm, as increased the entrapped air in the yarn, and to gain a stronger yarn for spinning and weaving processes.
空芯纱技术是一种用来提高棉纱性能的技术，它增加了纯棉纱线中的存储空气，并为纺纱和织造过程提供较大强力的纱线。
The effects of surface treatment and weight loading of glass-fiberon mechanical and thermol properties of fiber reinforced PVC composite (GF/RPVC)are presented in this paper.
本文考察了玻璃纤维增强聚氯乙烯复合材料（GF／PVC）中玻璃纤维的表面处理及加入量对力学性能的影响。
The molecular weight and sulfonation degree of SPS have little effect on the cement paste properties.
SPS的相对分子质量和磺化度对水泥净浆的性能几乎没有影响。
These were made from the kind of white Styrofoam plastic boxes which are widely used to transport fresh seafood due to their insulating properties and light weight.
帽子是用运送海鲜的白色聚苯乙烯泡沫塑料箱做成的，这种材料的绝缘性好，质地又轻。
Ultrahigh molecular weight polyethylene (UHMWPE) fibers have plenty of excellent properties and have been used widely in the. field of industry and other special areas.
超高相对分子质量聚乙烯(UHMWPE)纤维具有许多卓越的性能，被广泛地应用在工业及一些特殊领域。
Glucoamylases (GA) is introduced, production of fungi, affecting factors for fungi production, relative molecular weight, structure, and general properties of glucoamylases are reviewed.
介绍了葡糖淀粉酶(GA)，论述了GA的产酶菌、产酶影响因素、酶的相对分子质量及其结构，酶的一般性质。
Because the particle shape of MCC is irregular, it causes bad flowability, the variation of tablets weight, and the poor disintegration properties.
然而由于微晶纤维素颗粒形状的不规则，使得其粉末的流动性不佳，造成锭片重量上的差异。
Magnetic powder was dispersed in castor oil according to the definite weight percentage, and the magnetic properties were measured with Germany 1.033 Ferrograph.
按确定的重量百分比把磁粉分散在不易挥发的蓖麻油里，使用西德生产的1.033型铁磁仪测量其磁性能。
Foam particles or fiberfill usually make up the filler due to their insulating properties, without weight.
泡沫颗粒或者纤维因它们的绝缘性能和重量轻常用作填充物。
The molecular weight, morphology, structure, thermal properties and mechanical properties were measured.
研究了熔体扩链产物的相对分子质量、形态结构、热性能和力学性能。
Sensitivity analysis method is used to optimize the structure, providing design scheme of gantry container crane with less weight, and better dynamic and static properties.
采用灵敏度分析方法，对其结构系统进行优化设计，提出一种重量较轻、静动态性能优良的集装箱龙门起重机结构设计方法。
The numerical results show that higher spline weight functions in the local boundary integral equation method have excellent properties.
算例表明，高阶样条权函数在局部边界积分方程方法中有好的收敛性、稳定性和精度。
Fr? Vi Light has the right strength properties for weight reduction and smart packaging solutions, and the moisture resistance makes it perfect for packaging frozen food.
弗勒维光有减轻体重和智能包装解决方案的权利强度性能和防潮使冷冻食品包装的完美。
The effects of Tg, molecular weight, hydroxyl number, various hydroxyl monomers, acid number of acrylic dispersion on properties of films were studied systematically.
系统研究了丙烯酸树脂分散体的玻璃化温度、分子量、羟基单体种类、羟值、酸值对涂膜性能的影响。
The steel structures are widely used in modern building structures due to its advantage properties such as high strength, light weight and so on.
钢结构因具有强度高、重量轻、韧性好、施工速度快等优点，被广泛应用于建筑结构中，但是耐火性能差是钢结构的一个致命弱点。
The chemical and physical properties of the feather fiber were evaluated with weight loss, breaking strength and breaking elongation.
采用质量损失率和断裂强力、断裂伸长等指标，客观评定常温下羽毛纤维的耐化学试剂性能。
The chemical and physical properties of the feather fiber were evaluated with weight loss, breaking strength and breaking elongation.
采用质量损失率和断裂强力、断裂伸长等指标，客观评定常温下羽毛纤维的耐化学试剂性能。
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