英语人>网络例句>金属 相关的搜索结果
网络例句

金属

与 金属 相关的网络例句 [注:此内容来源于网络,仅供参考]

Yield rule, intensify rule, fluxion rule, types of contact and diathermanous model of metal cutting were also analyzed detailedly.

本文在直角自由切削过程分析的基础上,讨论了金属切削过程中的弹塑性变形理论和温度场理论,详细分析了屈服准则、强化准则、流动准则、金属切削传热模型、接触类型等问题,并利用有限元的基本思想,建立了直角自由切削应力场和温度场的有限元模型,进行了状态非线性、材料非线性和几何非线性的热力耦合分析,重点研究了切屑分离标准的确定、表面接触类型的处理等问题。

Based on the analysis of the process of free orthogonal metal cutting, the theory of elastic-plastic distortion and temperature field was discussed. Yield rule, intensify rule, fluxion rule, types of contact and diathermanous model of metal cutting were also analyzed detailedly. The FEA model of stress field and temperature field of free orthogonal metal cutting were established by the fundamental idea of FEA. State nonlinear, material nonlinear and geometry nonlinear thermal-stress coupling were analyzed by FEA technology. The separate criterion of chip and dispose of contact types were research emphatically.

本文在直角自由切削过程分析的基础上,讨论了金属切削过程中的弹塑性变形理论和温度场理论,详细分析了屈服准则、强化准则、流动准则、金属切削传热模型、接触类型等问题,并利用有限元的基本思想,建立了直角自由切削应力场和温度场的有限元模型,进行了状态非线性、材料非线性和几何非线性的热力耦合分析,重点研究了切屑分离标准的确定、表面接触类型的处理等问题。

In this paper, the mechanism of dicarboxylic acids and metal ions inhibiting CaOxa crystal was discussed.

本文在理论上讨论了二元羧酸抑制剂及金属离子对草酸钙结石的作用机理,为设计羧酸类药物以及与碱性金属离子联合作用的药物提供理论依据。

Based on reviewing of functionalization of saturated carbon by catalytic oxidation with metalloporphyrins and metal phthalocyanines as a mimic of the enzyme cytochrome P-450, two reaction systems of which one was the preparation of 4, 4'-dinitrostilbene-2, 2'-disulfonic acid from 4-nitrotoluene2-sulfonic acid and the other was the preparation of 4, 4'-bis (dimethylamino -diphenyl) phenylmethanol from 4, 4'-bis (dimethylamino-diphenyl) phenyl methane , were specifically studied as carfunctionalization and oxyfunctionalization of saturated carbon.

本文在全面综述金属卟啉和金属酞菁类模拟细胞色素P-450酶催化剂催化氧化饱和碳原子功能化的基础上,选择由4-硝基甲苯-2-磺酸制取4,4'-二硝基二苯乙烯-2,2'-二磺酸和由4,4'-二苯基甲烷制取4,4'-二苯基甲醇两个反应体系进行饱和碳原子碳功能化和氧功能化的具体研究。

Behavior of microbial dissimilatory reduction in the process of bioleaching metal oxide was researched to increase the leaching efficiency of marine manganese nodules .

为考查异化还原微生物在浸出金属氧化物中的行为,提高微生物浸出深海多金属结核的效率。

In the hope of helping innovative formulators contemplating the use of novel electrolytes like dithionic acid , this paper presents a brief summary of some recent developments in dithionate based electroplating.

在电镀溶液中使用连二硫酸和连二硫酸金属盐作为可溶性金属离子和电解质的来源具有潜在的应用。

The reaction performance of Pt-Sn-Li/Al_2O3/FeCrAl catalyst was measured,and the properties of the catalyst were characterized.It was found that reaction temperature,LHSV and the molar ratio of hydrogen to alkane have greatly affected on the catalytic performance of the Pt-Sn-Li/Al_2O_3/FeCrAl catalyst.Under a set of optimal reaction conditions,at 0.1 MPa,470℃,the molar ratio of hydrogen to alkane of 4 and LHSV of 0.14 mL·m~(-2)·h~(-1),the dodecane conversion is 6%,and the dodecene selectivity is about 72%.

结果表明:工业催化剂的催化性能比至今实验室制备的γ-Al_2O_3和SBA-15颗粒负载型颗粒状催化剂的性能好;反应温度、液时空速和氢烃摩尔比对Pt-Sn-Li/Al_2O_3/FeCrAl金属基整体式催化剂脱氢性能都有重要影响,最适宜的反应条件是压力为0.1 MPa,反应温度为470℃,进料氢烃摩尔比为4和LHSV为0.14 mL·m~(-2)·h~(-1),此时十二烷的转化率约为6%,十二烯的选择性约为72%;活性组分涂层与金属基体结合良好。

AFM, EPMA (Electronic Probe Measurement Analysis) and SEM were used to study the mechanism of bisquats named MDOPD N Metronidazole N (Dodecane 3 Oxal 1,5 Pentanedilamonium Dichloride against Total Growth Bacteria in the culture medium.

研究结果表明:MDOPD能够在培养基中的碳钢金属表面优先吸附,形成完整致密的有机吸附膜,使细菌新陈代谢产物难以到达金属基体表面;同时,MDOPD使生物膜的沉积变得疏松,氧浓差腐蚀和膜下硫酸盐还原菌引起的腐蚀都受到有效的抑制

It''s demonstrated that the ductibility of the wrapped bar is between steel bar and pure FRP corresponding to the results of theoretic predict.

结果表明,芯材为金属的包覆筋延伸率介于金属筋和芯材为非金属筋之间,试验结果和理论预测是基本一致的。

By the B3LYP calculation of DFT, the difference in changes of energy and charge of ion probe C〓 and C〓 interacting with hBN and graphite respectively and the difference in frontier orbital energy level reveal difference in electroaffinity of hBN and graphite. It could be indicated that hBN only shows weak electropositivity, and will not be able to accept electrons from metal.

根据密度泛函B3LYP方法的计算结果,从六方氮化硼与石墨的前线轨道能级和两者对离子探针的作用能及C〓和C〓的电荷变化不同所表现出的在电亲和性上的差异,揭示了金属难以插入六方氮化硼层间的原因是六方氮化硼仅显弱的电正性,不能接受金属转移来的电子。

第96/100页 首页 < ... 92 93 94 95 96 97 98 99 100 > 尾页
推荐网络例句

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.

然而,要让一个真正的引用,你需要提供详细的个人和财务信息。