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- Effect of Polycarboxyl Superplasticizer on the Ratio of Tensile Strength to Compressive Strength of Concrete and Initial Cracking Time 聚羧酸减水剂合成因素对混凝土拉压比及初裂时间的影响
- initial cracking time 初始开裂时间
- Hence lack of fusion and slag would exist at the weld root and create a large initial crack condition. 因而未熔透及夹渣存在于焊缝棍部,并造成大的初始裂纹条件。
- The process and rules of the initial cracking due to thermal fatigue are studied considering the multi-linear kinematic hardening of material,with a simple sample as model analyzed by FEM. 用有限元方法并考虑材料的多线性随动强化性质对带有裂纹的简单试件模型进行热疲劳分析,研究热疲劳裂纹张开的过程和规律。
- Firstly the initial crack length is calculated according to the stress wave theory: then, the ultimate cracking length caused by blasting is got by the brittle fracture theory of rock. 然后按照岩石的脆断理论计算爆生裂缝的最终扩展长度,对预裂爆破中爆炸作用过程和裂缝的扩展机理进行分析。
- had a cracking time at the dance. 在舞会上玩得很愉快
- cracking time due to corrosion expansion 锈胀开裂时间
- Initiative cracking of n-heptane,a model compound of heavy hydrocarbons,was investigated in a fixed bed microreactor. 以正庚烷为高碳烃的模型化合物,在微反装置上对正庚烷的引发裂解进行了研究。
- The influences of low temperature ozone oxidation and initiation cracking process on the yield of fraction oil were investingated with Beijiang oil as feedstock. 以北疆原油为原料,考察了重油低温臭氧氧化及引发裂化工艺对馏分油收率的影响。
- Compounds with bond energy of 180-260 kJ/mol were considered as good initiators for initiated cracking of n-heptane and nitroethane was the best in the used initiators. 以正庚烷为高碳烃的模型化合物,在微反装置上对正庚烷的引发裂解进行了研究。
- Initial crack genetic analysis of frame girder 清江升船机框架梁初期裂缝成因分析及监测
- And with reinforced concrete finite element a simulation calculation method is founded for randomness of initial cracks within the equal stress zone of concrete members. 结合钢筋混凝土有限元,建立了混凝土构件等应力区初始裂缝随机性的仿真计算方法,对钢筋混凝土梁纯弯段的裂缝规律进行了仿真计算。
- K Gong,L Deng,FS Liu,H B Xu.Investigations on the formation of initial cracks in thermal barrier coatings prepared by EB-PVD[J].Acta Metall Sinica,1996,(9)6:519. 张东博;郭洪波;宫声凯;徐惠彬.;EB-PVD热障涂层对高温合金基体断裂特征影响的研究[J]
- Uuder the impact of sand particles, the erosion wear is initiating crack, propagating and eventually causing spalling of the coating. 涂层的冲蚀磨损失效机制为在磨粒的冲击下,涂层首先产生裂纹,裂纹沿弱结合处扩展最终导致涂层粒子剥落。
- A little crack detracts from the value of the vase. 小小的裂痕减损那个花瓶的价值。
- Henry, it's about time you got cracking and re-decorated the living room. 亨利,现在该是你动手重新装饰起居室的时候了。
- The marchers jumped off at the crack of dawn. 行军队伍在破晓时出发了。
- High temperature oxidation-sulfidation corrosion in the corrosive environment,brings about initial cracks on the surface where is under high stress and fatigue cracks develop into fatigue fractu... 通过降低腐蚀和波纹管应力可以防止或减轻腐蚀疲劳发生,延长波纹管使用寿命。
- The riot police started to crack down on them. 防暴警察开始对他们采取镇压行动。
- That was a cracking shot he played. 他这一下打得妙极了。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries