The heat resistant poly(lactic acid) was studied, the structure and properties were characterized by FTIR, DSC, TG, X-ray diffraction, heat shrinkage and breakage strength.
研究了一种耐热聚乳酸,并对其进行了红外光谱、示差扫描量热分析、热重分析、X-射线衍射、热收缩及断裂强力等测试。
From a practical aspect this protected the figures against breakage and psychologically gives the images a sense of strength and power, usually enhanced by a supporting back pillar.
从实用的角度来看,这保护了雕像,让它们不破裂,并在心理上赋予形象一种强壮有力的感觉,这种感觉通常又被一个在后方支撑的柱子加强。
The control group showed a decrease in soleus muscle mass and strength, the development of insulin resistance, and a loss of bone mineral density and resistance to breakage.
控制组的老鼠表现出比目鱼肌质量和力量下降,胰岛素抵抗上升,骨密度和抗折能力降低。
The results indicated that tensile strength, elongation and breakage elongation of NEPE propellant were increased along with increase of pressure.
结果表明:NEPE推进剂的抗拉强度、伸长率、断裂伸长率均随环境压强的增加而增大。
Yellow River sullage porous brick can substitute for clay brick and be used as bearing wall material based on analysis of masonry compression strength, crack development and breakage feature.
从砌体抗压强度、裂缝开展以及破坏特征等方面分析,黄河淤泥多孔砖可以替代黏土砖用作承重墙材。
The result shows that the impact strength of the new developed plastic packing box is enough, the impact breakage is due to the unqualified raw material of box.
结果证明,新研制的某炮弹塑料包装筒的结构设计满足冲击强度的要求,其产生冲击破坏的原因是包装筒塑料原材料不合格。
Due to the breakage of the LCP micro-fibrils, the strength of the drawn PP/LCP fibers is lower than that of the pure PP fibers.
在牵伸过程中由于液晶高分子微纤维的断裂而使共混纤维的强度低于纯聚丙烯纤维;
The toughness of steel decreases as temperature drops, its breakage transfers from plasticity to brittleness and the loading capacity is controlled by the toughness, not the strength.
结构钢材的韧性随温度降低而下降,其破坏形态也由塑性屈服向脆性断裂转变,构件的承载力也由强度控制变为材料的韧性控制。
The influence of particle breakage on deformation and strength properties of calcareous sands was investigated using artificial calcareous sands and triaxial testing.
利用人工钙质砂和三轴剪切试验手段,就颗粒破碎及其对钙质砂变形和强度特性的影响进行分析研究。
The test results show that the relative breakage is correlative to the particle strength and confining pressure.
结果表明,试验中相对破碎率同颗粒强度和围压力的相对大小直接相关。
On the basis of test results of artificial rockfill materials with different particle strength, the breakage volumetric strain of artificial rockfill materials was separated successfully.
根据不同颗粒强度模拟堆石料试验结果,定量地分离出了破碎体应变。
By analyzing the damage and hardening mechanism caused by particle breakage, a formula for evaluating the strength reflecting the breakage mechanism was developed.
分析了颗粒破碎对堆石料损伤和压密硬化的双重作用机理,建立了可反映颗粒破碎作用机理的强度计算公式。
Single end strength coefficient of variability is the main reason of breakage end.
指出单纱强力不匀是产生经纱断头的主要原因。
Both fibers feature plastic cladding to protect the fiber during buffer stripping and prevent breakage, while increasing fiber strength and reducing static fatigue in humid environments.
这两种纤维都具有塑料覆盖,在缓冲条剥落期间保护光纤,防止断裂,同时提高纤维强度和减少在潮湿环境中的静态疲劳。
The results indicate that particle breakage depends on the sample′s plastic work received during testing, and reduces the volume expansion and peak strength of the sands.
结果表明,颗粒破碎程度与对其输入的塑性功密切相关;颗粒破碎的发生使钙质砂剪胀性减小,体积收缩应变增大,峰值强度降低。
The cloth brush single body improves tension strength and durability of cloth materials by the heat pressing treatment of whole surface, which may reduce breakage such as break, etc.
布制刷子单体通过进行整面热压着处理的 单面而强化,提高布材质的耐久性及拉伸强度,可降低破裂等的破损。
Reactors used in chemical industry must satisfy rigidity requirements to ensure the bending distortion to be controlled within the tolerated range as well as strength requirements to prevent breakage.
化学反应器不仅要满足强度条件,以保证在使用中不发生断裂破坏;也要保证刚度条件,使设备在正常操作时的弯曲变形不超过规定的许可范围。
The carbon fiber wrapped gas cylinder boasts for its anticorrosion, long use life, lightweight, high strength and no breakage.
碳纤维缠绕气瓶具有耐腐蚀、用寿命长、轻、度高、破碎的卓越性能。
It should be pointed out that upgrading the strength of materials to resist multi-shock fatigue is an effective approach to reduce the socket-breakage rate as well as to improve bit's service life.
并指出,提高材料抗多冲疲劳的强度将是减少钎头断裤率,延长其使用寿命的有效途径。
By ultimate strength analysis at various conditions, the collapse of platform is caused by breakage of pile leg. And the brace breakage can also decrease the strength of the platform.
经过对平台不同情况下的承载力分析,发现平台的倒塌破坏均为平台桩腿破坏,同时撑杆的破坏也会降低平台的强度储备。
Through the triaxial tests of the coarse-grained material, the particle breakage under the isotropic consolidation, peak strength and different stress level conditions are studied.
通过三轴颗粒破碎试验,研究了某粗粒料等压固结、峰值以及不同应力水平下的颗粒破碎规律,分析了干湿状态的影响。
Through the triaxial tests of the coarse-grained material, the particle breakage under the isotropic consolidation, peak strength and different stress level conditions are studied.
通过三轴颗粒破碎试验,研究了某粗粒料等压固结、峰值以及不同应力水平下的颗粒破碎规律,分析了干湿状态的影响。
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