To obtain desired wave characteristics of composite laminate, the varying rate of eigenvalue with respect to the thickness change is approximated by the second order Taylor expansion. 采用一种特征值反求形式的方法用来近似层状复合板的波动特性修改。
Composite depreciation rate of fixed assets 固定资产综合折旧率
Recipient countries would pay the IMF interest at a very low rate, equivalent to the composite average treasury bill rate of all convertible currencies. 受援国将按极低的利率向imf支付利息,相当于所有可兑换货币国债收益率的综合平均水平。
So the composite has sensitivity of strain rate during compression in semi-solid interval. 复合材料在半固态区间压缩时具有应变速率敏感性。
The composite interest rate and best lending rates are end-of-period figures. 综合利率及最优惠贷款利率均为期末数字。
Composite interest rate notes should be of interest to investors who prefer bond yields that are more stable than hibor. 综合利率债券对追求回报较香港银行同业拆息稳定的投资者应感兴趣。
"Total amount of export processing goods filed for record" refers to all the amount of export goods filed for record; the composite tax rate is temporarily fixed at22%. “加工贸易出口商品备案总金额”是指全部制成品的备案金额;综合税率暂定为22%。
The publication of the composite interest rate is to help improve interest rate risk management in the banking sector. 公布综合利率的目的,是协助银行体系改善利率风险管理。
Ceramic/ nylon composite exhibited lower wear rate because some surface nylon melted and shallow grooves formed instead of adhesion dominated in wear of pure nylon. 这是由于复合材料表面熔融和粘着转变为浅的犁沟,致使陶瓷/尼龙1010复合材料的相对磨损率减小。
The homogeneity of certified reference material is studied by acoustic emission method for composite solid propellant burning rate. 采用声发射燃速测试方法研究了复合固体推进剂方坯燃速的均匀性。
Otherwise, the oxidation rate of felt base carbon/ carbon composites is influenced by the carbon/ carbon composite surface reaction rate, the gas phase diffusion aud the catalysts. 另一方面,毡基碳/碳复合材料的氧化速度主要受该材料的表面反应、气体扩散、催化剂等因素的影响。
This paper presents a new nonlinear composite forecasting method for exchange rate modeling and forecasting based on support vector machines regression. Furthermore, the problems how to select the kernel function, loss function and control capacity, and so on, are discussed with simulation demonstration. 本文提出了一种基于支持向量机回归(SVM)的汇率非线性组合建模与预测新方法,并讨论了建模中SVM核函数、损失函数的选取和容量控制等问题。
Conclusion BMP was helpful in the degradation of CPC, and CPC/ BMP composite has ideal degradation rate with great potential in bone defects repairing, so it could be used as material for bone graft substitute in clinical. 结论CPC/BMP生物活性人工骨具有理想的降解性能和成骨能力,可望成为新型的骨缺损修复材料。
The test results also indicate clearly that the Gr/ Al composite is a rate sensitive material, namely the strength, failure strain and residual strength of composite are all depend on strain rate. 实验结果还表明Gr/Al是一种应变率敏感材料,随着应变率的提高,材料的拉伸强度、失稳应变以及剩余应力均相应提高。
The results showed that the CNTs encapsulated by PBMA could be dispersed more evenly in the matrix of PP and raised the crystallizing point and increased the nucleation rate of the composite, but the crystalline rate of the composite were reduced. 实验结果表明:改性碳纳米管能够更为均匀的分布在聚合物基体中,使复合材料的结晶温度提高,成核速率增大,但结晶总速率降低。
A Composite Age-Specific Fertility Rate Model Based on Random Distribution Functions 基于随机分布函数的分年龄别生育率组合模型
Effect of Some Compounds on HTPB Composite Propellant Burning Rate Pressure Exponent 某些化合物对HTPB复合推进剂燃速压力指数的影响
The composite exhibits a larger crystallization rate constant and a smaller Avrami exponent compared with pure PP. 复合材料的结晶速率常数比纯PP大;
Addition of mullite short fibre can accelerate precipitation in early aging stage and speed up composite's soften rate in later aging stage, but not alter the precipitation sequence in matrix. 增强体的加入既能加速时效前期沉淀析出又可加快时效后期复合材料的软化,但不改变基体沉淀相的析出顺序,而只影响其析出速度。
There are three aspects about this study: 1. Composite membrane with high retaining rate and biologic activity were prepared, which were used to sample and examine the microbe in aerosol. 研制出截留率高而且具有生物活性用于空气中微生物采样检测的复合膜;
Composite wear rate increased gradually with the increase of load, rotating rate and rotating circles. While friction coefficient increased in different forms, which were resulted from different wear mechanisms. 随着载荷、转速和摩擦转数的增加,复合材料的磨损量逐渐增加,而摩擦系数则以不同形式增加,这主要是由于磨损过程中主要磨损机制不同造成的。
TiO2/ ACF composite materials regeneration rate should be higher than the individual activated carbon fiber regeneration, the results of which was attributed to make full use of ultraviolet light produced by pulse discharge. TiO2/ACF复合材料的再生率要高于单独活性炭纤维再生,原因是充分利用脉冲放电产生的紫外光。
Then we fabricated carbon coated VN/ C composite material to improve its rate capability and cycle performance. 采用炭包覆的方法制备了VN/C复合材料,VN的倍率性能和循环性能得到了进一步的改善。
The results show that the composite scaffolds had proper degradation rate, good mechanical properties. 结果表明,该复合支架材料具备可降解吸收性及良好的力学性能和加工性能,能满足肝组织工程的使用需求。
Using the CNTs-CdS/ TiO2 ( Ni) composite, the degradation rate of methylene blue ( MB) reached 80% in 4 hours under visible light. 采用复合催化剂CNTs-CdS/TiO2(Ni),可见光照射4小时,光催化亚甲基蓝降解率达到80%。