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- A Single step Method Formula With An At Least Three Convergent Order. 一个至少三阶收敛的单步法公式
- Unsteady flow characteristics in a centrifugal pump volute were investigated by using duel time stepping method in the numerical simulation. 摘要采用双重时间步方法对一离心泵内部的液体非定常流动进行了数值研究。
- The present solver uses a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method. 求解程序采用虚拟压缩方法和双时间步的时间推进方案,对流项的差分采用高阶精度的数值差分格式。
- If you do not want to modify the tables in any way, you can use the single step method. 如果不想对表进行任何修改,则可以使用单步方法。
- Phenyl maleimide was synthesized from maleic anhydride and aniline with two step method without DMF solvent. 以顺丁烯二酸酐和苯胺为原料,选择二步法合成了N-苯基马来酰亚胺,无需使用DMF溶剂。
- The preparation of St -MAA concentrated emulsion by one step method is investigated. 本文用一步法制得了稳定的苯乙烯一甲基丙烯酸超浓乳液。
- The status step method using at call process resolves the unity problem of real-time scheduling and multiprocessing. 状态迁移法在呼叫过程中的应用,解决系统实时性和多重、处理的统一问题。
- The transient response signals of platinum electrode to uncoupled ions Cu 2+ or Ag + are measured by active step method. 用活度阶梯变化法测量了铂电极对Cu2 +、Ag+的瞬时响应信号为单峰类型 ,并且在一定浓度范围呈Nernst关系。
- Triaxial creep tests on coal rocks are carried out by Step Method and the XTR01 electric-fluid servo compression machine. 使用XTR01型微机控制电液伺服试验机,采用梯级加载法,对煤岩进行了三轴蠕变试验。
- This paper expatiates on the technical problems needed to solve for applying PUF high pressure foaming machine to "one step method" production line. 文章阐述了将聚氨酯高压发泡机应用在泡夹管“一步法”生产线上需要解决的技术问题,介绍了高压发泡机的技术特点及其在泡夹管“一步法”生产线上的应用情况。
- In this study, we proposed a novel one step method in which maleation and reactive blending occur simultaneously in a twin screw extruder. 在本研究中,我们提出了一种新颖的一步法:马来酸酐化和反应性掺混可以在一台双螺杆挤出机里同时进行。
- Through one step method of neutralizing and polymerizing,the PTTP is prepared from both superphosphoric acid and potassium carbonate raw materials. 以过磷酸和碳酸钾为原料,经中和、聚合一步法制备三聚磷酸钾。
- According to above-mentioned theory, By using Fortran PowerStation 4.0, and combining with finite member step by step method, has programmed CFSTCREEP. EXE correspondingly. 根据上述理论采用初应变法;结合有限单元步进法;使用Fortran PowerStation 4.;0;编制了相应的计算程序CFSTCREEP
- The main content includes the parameter choice for 2-D flexible wall wind tunnel of NPU and the research of test technique, such as itera-tive test method, one step method etc. 着重介绍了西北工业大学二元柔壁自修正风洞的参政选取以及自修正风洞试验技术的研究工作,如迭代试验方法的确定,一步法的研究等。
- The method seems good but it needs to be tried out. 这个方法似乎不错,但需要试验一下。
- After decalcium of prawn shells, deprotein and deacetylation were done at the same time using 憃ne step method? The N content of chitosan made in this way is about 8. 经“一步法”对酸脱钙后的虾壳同时进行脱蛋白与脱乙酰基处理生产的壳聚糖产品;蛋白含量约为8.;99;脱乙酰基效果略微差于“两步法”。
- During the arch dam operation, thispaper adopts the alterable time step method in terms of thedegree difference of the temperature changes between differentperiods. 在拱坝施工运行阶段,根据不同时期温度变化剧烈程度不同,本文采取了变时间步长的方法。
- A new one step method to implement a volume holographic array illuminator with low abberations using a phototorfractive crystal is reported for the first time. 报道一种使用光折变晶体作为记录材料,可一步实现的消像散体全息阵列照明器。
- For the special fluid problem, we use the multidomain algorithm with moving grids to resolve the moving boundaries problem, and simulate the unsteady flow by the dual time stepping method. 对于此类问题的特殊性,使用了带有移动 网格的分区算法 解决流场中的动边界问题,使用双时间步长的算法模 拟非定常运动。
- TWO STEPS METHOD FOR THE PREPARATION OF POTASSIUM SULFATE BY AMMONIUM SULFATE AND POTASSIUM CHLORIDE. 硫酸铵氯化钾两次反应法生产硫酸钾。