1)low speed preconditioning低速预处理
1.These modifications include:(1)low speed preconditioning are implemented in the solution of compressible equations to overcome the stiffness when solved in incompressible regions;(2)multigrid methods are used to speed up the convergence;(3)the nearest distances from any cell to wall are.通过求解粘性非定常可压缩N-S方程,发展了旋翼/机身气动干扰的数值模拟方法,主要技术措施包括:(1)通过ADT数据结构,建立了高效的多块对接网格动态重叠技术;(2)在可压缩方程求解中引入低速预处理方法,克服低速流场求解时的刚性问题;(3)加入了多重网格方法,提高收敛效率;(4)湍流模型方程求解需要反复计算壁面最近距离,采用Wigton的优化算法很大程度上提高了计算速度。
2.The stall regulated wind turbines NREL Phase-Ⅳ are simulated by this way,in which the mesh are constructed using overlap grids and low speed preconditioning are used to deal with incompressible flows.采用双时间步方法在旋转坐标系下求解非定常方程,构造了零偏航条件下风轮叶片流场的数值模拟方法,采用该方法对失速限制型风轮叶片NREL Phase-Ⅵ进行了模拟,其中网格采用重叠网格进行模拟,控制方程为可压缩N-S方程,同时加入了低速预处理技术,模拟的风速范围从13m/s到25m/s,这时候风轮叶片发生失速以限制扭矩输出。
2)hypoxic preconditioning低氧预处理
1.Calreticulin upregulation induced by hypoxic preconditioning relieves oxidative stress injury in rat cardiomyocytes;低氧预处理通过上调钙网蛋白表达减轻大鼠心肌细胞氧化应激损伤
2.Experimental study on rat hepatocytes proteins after hypoxic preconditioning by two-dimensional gel electrophoresis;大鼠肝细胞低氧预处理后蛋白质分子的二维电泳实验研究
3.Objective To investigate the effect of hypoxic preconditioning on severity of seasickness,and to detect iron concentrations in brain and serum of rat.目的探讨低氧预处理对大鼠晕船程度及对脑区与血清中铁含量的影响。
英文短句/例句
1.Hypoxic preconditioning remodeling the balance between excitation and inhibition in cortex低氧预处理重塑大脑皮层兴奋/抑制平衡
2.Hypoxic Preconditioning Early Effect Was Compared with Delayed Effect in Rat Myocardium;低氧预处理在大鼠的心肌细胞上的早期效应与晚期效应的比较
3.Effects of Hypoxic Preconditioning on Neurological Symptoms and Cerebral Edema after Traumatic Brain Injury in Rats;低氧预处理对大鼠脑损伤后神经行为学评分和脑水肿的影响
4.The Protective Effect of Hypoxic Preconditioning on Pancreas of Rat Post Autologous Liver Transplantation低氧预处理对大鼠自体肝移植后胰腺的保护作用
5.The Influence of Whole-body Hypoxic Preconditioning on Cytochrome C Expression and Apoptoss in Rats with Ischemia/Peperfusion Caused Lung Injury整体低氧预处理对大鼠肺组织细胞色素C表达和细胞凋亡的影响
6.The protective role of hypoxic preconditioning on cerebral injury and cognition after global cerebral ischemia低氧预处理对脑缺血后损伤及认知功能的保护作用
7.Researches on Treatment of Acute Myocardial Infarction Through Transplanting Skeletal Myoblasts Preprocessed by Hypoxia & Infected by HIF-1α Gene in a Rat Model;低氧预处理或HIF-1α基因修饰的成肌细胞移植治疗心肌梗死的实验研究
8.A Model for Predicting the Total Oxygen of Steel in the Process of RH TreatmentRH处理超低碳钢中总氧含量预报模型
9.35% Oxygen Preconditioning Protects PC12 Cells Against Death Induced by Hypoxia35%氧预处理对低氧诱发PC12细胞死亡的保护作用
10.Total oxygen prediction model of ultra-low carbon aluminum killed steel in RH treatment and its applicationRH处理超低碳铝镇静钢的总氧预测模型及应用
11.Effect of pre-oxidation with potassium permanganate composite treating low turbidity and high algae-laden reservoir water高锰酸盐复合药剂预氧化处理低浊高藻水库水
12.The Role of Hypoxia-inducible Factor-1α in the Cardioprotection of Ischemic Preconditioning and Ischemic Postconditioning Against Ischemia-reperfusion Injury;低氧诱导因子-1α在心肌缺血预处理与后处理心肌保护中的作用
13.Experimental Research on Different Hypothermia Combined with Pharmacological Preconditioning to Enhance Cerebral Hypoxia-tolerance;不同低温与药物预处理相结合提高脑缺氧耐受性的实验研究
14.The expression of HIF-1α After Permenent Focal Cerebral Ischemia and the Protective effect of acupuncture preconditioning in rats针刺预处理对大鼠脑缺血后低氧诱导因子-1表达的影响
15.Pre-treatment of low biodegradable of petrochemical wastewater with Fenton oxidationFenton氧化法用于低可生化性石化废水预处理的研究
16.Schoolyard domestic sewage treatment using anaerobic-aerobic biological reactor;校园生活污水的厌氧—好氧低成本处理
17.Treatment of pesticide wastewater with "pretreatment+hydrolysis+SBR" process预处理+厌氧水解+SBR处理农药废水
18.The Neuroprotective Effect and Its Mechanism of Hyperbaric Oxygen and Hypobaric Hypoxia Preconditioning on SCI in Rats;高压氧和低压缺氧预处理对大鼠脊髓损伤神经保护作用及机制的实验研究
相关短句/例句
hypoxic preconditioning低氧预处理
1.Calreticulin upregulation induced by hypoxic preconditioning relieves oxidative stress injury in rat cardiomyocytes;低氧预处理通过上调钙网蛋白表达减轻大鼠心肌细胞氧化应激损伤
2.Experimental study on rat hepatocytes proteins after hypoxic preconditioning by two-dimensional gel electrophoresis;大鼠肝细胞低氧预处理后蛋白质分子的二维电泳实验研究
3.Objective To investigate the effect of hypoxic preconditioning on severity of seasickness,and to detect iron concentrations in brain and serum of rat.目的探讨低氧预处理对大鼠晕船程度及对脑区与血清中铁含量的影响。
3)Cold pretreatment低温预处理
1.Degeneration happened with some pollen; Cold pretreatment could delay degeneration of microspores to a certain extent and advance androgenesis; Cold pretreatment could also enhance the ratio of microspores partic.为明确低温预处理对番茄花药离体培养过程中小孢子发育的影响,进行了番茄花药离体培养的低温预处理试验,试验结果表明:离体培养条件下,雄核发育存在三条途径,即B途径、A-V途径和A-G途径,以B途径为主;随着培养时间的增加,小孢子逐渐退化;对番茄花药离体培养进行低温预处理,可在一定程度上延缓番茄小孢子退化,提早雄核发育,并增加参与雄核发育小孢子的比率,但参与B-途径的小孢子比参与A-途径的增加得多。
4)low temperature pretreatment低温预处理
1.Effects of low temperature pretreatment and genotypes on embryogenesis of microspores in Brassica napus L.;低温预处理和基因型对甘蓝型油菜小孢子胚胎发生的影响
2.The effects of low temperature pretreatment on somatic embryogenesis of Fraxinus mandshurica were investigated by using zygotic embryos from immature seeds that pretreated under 4 ℃ for 0–30 d as explants.用4℃低温预处理未成熟的水曲柳种子0~30d,取出种子内的合子胚为外植体诱导体胚发生,研究低温预处理影响体胚发生的结果表明:低温预处理过的外植体其体胚发生总数和子叶胚发生数均低于未作低温预处理的;随着预处理时间的延长,畸形胚发生数和发生比率与总的体胚发生数和发生率的变化趋势基本相同;处理20d的正常胚发生数和发生比率的绝对数虽然很低,但远高于不作低温预处理的。
5)pre-chilling treatment低温预处理
1.The effects of pre-chilling treatment on seed vigor and Young seedling growth of Robinia pseudoacacia;低温预处理对刺槐种子活力和幼苗生长的影响
6)low consistency pretreatment低浓预处理
1.Application of low consistency pretreatment and medium consistency refining on heavy walled softwood pulps was studied.探讨采用低浓预处理和中浓打浆两步法处理厚壁针叶木浆的生产应用效果,与传统的低浓打浆处理方法相比较,该打浆方法得到的成浆所抄造的纸页物理强度提高9。
延伸阅读
表面预处理分子式:CAS号:性质:电镀前镀件表面的加工、处理过程,主要包括磨光、抛光、脱脂、浸蚀等工序。电镀零件表面除了存在自然氧化膜和一般接触的油污之外,有的零件还会带有热处理的氧化皮、淬火油、防锈油、润滑油等污垢。表面预处理的目的是为电镀过程提供一种平滑、有附着力的基体表面。不同的镀件应根据其表面状态、电镀层的要求和材质选择表面预处理的工序。