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Apply Genetic Algorithm and CFD technology, in this paper,to calculate the main parameter of WPC96's waterjet propulsor and simulate the flow of the water in waterjet inlet.In addition,analyze the factors that can affect waterjet system efficiency, such as K ,mostly geometry parameters,IVR.

在此基础上运用MATLAB遗传算法和CFD软件——FLUENT对喷水推进器主要参数优化计算以及进水管流场数值模拟进行了研究,并针对影响喷水推进器进水管系统效率的主要参数(如进水速比IVR、喷速比等)进行了分析。

The potentials of every of these areas to think and begin to see manlike developmental biology, to display from patients with transmitted diseases pluripotent halt cells that crapper attain every of the radiophone types strained in the disease, and the manifest travel attempts with paper and office halt cells promises to attain these approaches, and the reviews in this book, the edifice of investigate in regenerative medicine.

在所有这些领域的潜力,研究,并开始了解人类发育生物学,从与多能干细胞产生遗传疾病的病人,可以使在该疾病影响的细胞类型,并与组织和器官的干翻译的企图明显细胞承诺使这些办法,在这本书的审查,在再生医学中心的研究。

In respect to this point, with mathematics models built on rational basis, the recovery curve drawn, and according to mathematics analysis, the accumulated un-recovery ratio, i.

震后恢复过程所需物资与人员的分配是影响震后恢复过程优化的重要因素,结合震害实践,用动态规划法和遗传算法探讨了震后恢复资金与抢修队的优化分配问题。

Experiments show that the fuzzy C-means clustering algorithm can distinguish gas samples of different classes, and can be used in real time detection of gas.

利用遗传算法,并借助于反向传播神经网络,对气体定性识别系统中的气体传感器进行筛选,通过评价传感器组合对反向传播网络识别单一气体结果的影响,建立了一种优化传感器阵列的方法; 6。

The main research content is: Using the experimental of cutting force and roughness of high speed face milling cutter and high speed end milling cutter mill aluminium alloy and cast iron, analyze the rules of the high speed milling velocity, feed rate per tooth, milling depth and milling width to high speed processing. Use multiple linear regression method, set up surface roughness and the cutting force fluctuation models. Certify the regression model notability, and provide a reliable guarantee for the accuracy of function optimization. Based on the targets of productivity, manufacturing cost, surface roughness, cutting force fluctuation optimization model, according to research of the high speed milling parameters selecting restrict of work piece, machine, tool and safety, set up high speed milling parameters multi-object optimization system.

本文以已有的高速铣削机理及高速刀具技术研究成果为基础,结合高速铣削试验,进行了基于遗传算法的高速铣削参数优化研究与系统开发,主要的研究内容为:通过高速面铣刀和高速立铣刀加工铝合金和铸铁等材料的切削力和表面粗糙度试验,进行了铣削速度、每齿进给量、铣削深度和铣削宽度对高速铣削加工过程影响的研究;采用多元线形回归的方法,建立了切削力及其振幅和表面粗糙度模型,并对模型的显著性进行验证,为高速铣削参数优化模型的建立奠定了基础。

All of these associations were consistent both across the three sample locations and after controlling for ancestry and relatedness.

他们还分析了这194人的基因组,发现只有几百个遗传变异影响了全部样品所在位置的基因表达。

He weighed the possible evidences for and against ritual murder: the incitations of the hierarchy, the superstition of the populace, the propagation of rumour in continued fraction of veridicity, the envy of opulence, the influence of retaliation, the sporadic reappearance of atavistic delinquency, the mitigating circumstances of fanaticism, hypnotic suggestion and somnambulism.

274他在衡量着赞成和反对杀人祭神的可能的证据:神职人员的煽动以及民众的迷信;随着谣言的传播,致使真实性逐渐减少。对财富的嫉妒,复仇的影响,隔代遗传造成的不法行为的突发性再犯。有量情余地的狂信,催眠术的暗示和梦游病症状。

Monte Carlo and self-adaptive multi-objective genetic algorithm were applied to solve the multi-objective robust optimization of suspension parameters, taking the statistic mean and standard deviation of root-mean-square value of the vertical acceleration of vehicle body and the dynamic load of front and rear tires as objective functions.

以某载货汽车的四自由度悬架模型为研究对象,同时考虑制造精度的影响,以车身垂直加速度、前后轮胎动载荷的均方根值的统计均值和方差为目标函数,采用蒙特卡罗抽样法和自适应多目标遗传算法对悬架参数进行稳健优化。

The hereditary behavior of bar gene in T1 and T2 generated by self-fertilization of bar-transgenic wheats-wanmai48 and ymai87158 was studied. Effects on agronomic traits of bar gene were also researched.

以皖麦48和扬麦87158两个小麦品种的转bar基因株系为材料,探讨bar基因在转基因小麦自交后代的遗传表现及对农艺性状的影响。

He is currently a project being planned, will be infected with HIV screening of Asian women in the SNP, and the search for other hidden in the sex chromosome and are likely to affect the process of HIV infection and AIDS genetic host factors.

他目前正在计划一个项目,将在感染HIV的亚洲女性身上筛查该SNP,并将搜寻其它潜伏在性染色体上且有可能影响HIV感染和艾滋病进程的遗传宿主因子。

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Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气,收缩臀部肌肉;拱起身体,尽量抬起头来,右腿伸直朝向天花板(膝微屈,以避免肌肉紧张)。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化,但却比去年同期高8%。

However, to get a true quote, you will need to provide detailed personal and financial information.

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