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for size的中文,翻译,解释,例句

for size

for size的基本解释
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为了试尺码, 为了试试是否合适, 按不同尺码, 看看大小是否合适, 试试尺寸, 按尺码

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更多 网络例句 与for size相关的网络例句 [注:此内容来源于网络,仅供参考]

The mainly conclusions in our research are as flowing: tungsten trioxide powders with 100 nm primary particle are obtained by spray drying,calcination and wet milling process, and an average size of quadric particle composed of agglomerated particles is 0.64 μm; tungtsen powders with 39 nm grain size and 60 -100 nm primary particle are produced directly from previous tungsten trioxide using one step reduction in hydrogen at 700℃, and an average size of quadric particle of tungsten powder is 2.91 μm; tungsten trioxide and copper tungstate compound powders with 100 nm - 200 nm primary particle are produced using ammonia metatungsten and copper nitrate as raw materials by spray drying,calcination and wet milling process;the compound powders are transformed completely into tungsten and copper compound powders by reduction in hydrogen at 700℃,in which tungsten grain size is 59 nm and copper grain size is 51 nm; primary particle size of compound powders is 80 - 120 nm,and an average size of agglomerated quadric particle is 1.86 μm; tungsten nitride powders with 35 nm grain size are prepared from tungsten trioxide powders by nitrogen treatment thoroughly in pure ammonia at 650℃, and an average size of agglomerated quadric particle is 0.64 μm in normal temperature.

研究结果表明:采用喷雾干燥—焙烧—球磨工艺可以制备出粒度约为100nm的WO_3粉体,它们在团聚后形成的二次颗粒平均粒度为0.64μm;采用一步直接氢还原方法可在700℃下从上述WO_3粉体制备出晶粒尺寸为39nm的、一次颗粒粒度为60-100nm的W粉体,其二次颗粒的平均粒度为2.91μm;以偏钨酸铵、硝酸铜为原料,采用喷雾干燥—焙烧—球磨工艺可制备出一次粒度为100-200nm的WO_3和CuWO_4混合粉体;采用氢还原工艺可在700℃下将这种粉体完全转变为W、Cu复合粉体,其中W的平均晶粒粒尺寸为59nm,Cu的平均晶粒尺寸为51nm;复合粉体的一次颗粒尺寸为80-120nm,在常温下团聚后形成的二次平均粒度为1.86μm;采用纯氨氮化工艺可以在650℃下由WO_3粉体制得WN,其晶粒尺度为35nm,在常温下团聚后的二次平均粒度为6.4μm。

The change of average size of products along the radius at the exist of reactor has also been calculated. The calculated results indicate that the residence time is longer, the average size of products is larger, but the distribution of size is narrower, tending to self-preserving distribution; when the concentrations of reactants increase, the average size of products becomes larger, but the distribution of size becomes narrower; the gradients of reactants are greater, the average size is larger; the increasing of reacting temperature will cause the size of product to be larger under same residence time. The average size of product at the exist of reactor varies along the radius, has a maxim value.

模型计算结果表明,产物粒度随停留时间的增加而增大,但粒度分布变窄,趋向自保分布;产物粒度随反应物进料浓度的增加而增大,粒度分布随进料浓度的增大而减小;反应器中反应物浓度梯度较大(相当于化学反应为快反应)时,相同停留时间下所得到的产物平均粒度增加;反应温度的增加,粒子平均粒径增加,粒度分布变窄;反应器出口处粒子平均粒径,随着与对称轴的距离的增加,有一极大值,先增加,后减小。

This project studies the scale-dependent deformation behavior of the metal matrix composite, the void nucleation and void growth mechanisms at the micron/submicron scale. The main results are:(1) In prophase, growth and coalescence of the void embedded in the graded matrix are analyzed in detailed;(2) Based on the infinite solid model containing a micro-void, coupling effects of the void shape and the void size on the void growth are studied carefully, the results show that it seems to exist a critical equivalent void radius, which is associated with the material length. When radius of a microvoid is close to or smaller than the critical void radius, the micro-void growth rate is essentially eliminated;(3) The coupling effects of the particle shape and size on the mesoscopic stress fields within the particle and matrix are also investigated by introducing the conception of inclusion/matrix interfacial energy. The results show that the stress concentration factors within the particle and on the matrix/particle interface are also strongly size-dependent,so the void nucleation mechanism is size-dependent.(4) By employing a specific orthogonal curve coordinate frame and a 'kernel function' conception, a 'unified method'solving the spheriodal and spherical void problems is suggested; by this unified method, size-dependent plastic potentials of the porous materials containing the spheriodal or spherical voids are obtained, which extend the traditional Gurson model for the spherical void and GLD model for the spheriodal voids to the micron scale.(5) Based on the RVE model containing the spheriodal or spherical particles, the influences of the particle shape and size on the size-dependent mechanical behavior of metal matrix composite are studied.

中文摘要:本项目对金属基复合材料在微细观尺度下的尺度相关变形行为、孔洞形核及长大的机理和模型进行了研究,取得了如下主要结果:1)在前期研究中,探讨了基体的梯度分布对孔洞长大和聚合的影响;2)基于含孔洞的无限大体模型,探讨了孔洞形状和孔洞尺寸对其长大的耦合作用,结果表明:可能存在一个与材料特征长度相关的临界孔洞尺寸,当椭球孔洞的等效半径小于临界孔洞半径时,孔洞的长大受到明显抑制;3)通过引入基体/夹杂界面能的概念,分析了夹杂尺寸、夹杂形状对材料细观应力场的耦合影响,结果表明:颗粒内部和界面上的应力集中因子强烈地依赖于夹杂的尺寸和形状,因此,孔洞的形核机理是尺寸相关的;4)采用一种特殊的正交曲线坐标系和引入"核函数"的概念,"统一"地得到了含椭球和球形孔洞的材料的尺寸相关塑性势,它将传统的Gurson球形孔洞模型和GLD椭球孔洞模型推广到微尺度范围;5)基于含椭球和球形夹杂的体胞模型,初步研究了夹杂形状、夹杂尺寸对金属基复合材料尺寸相关力学行为的影响。

更多网络解释 与for size相关的网络解释 [注:此内容来源于网络,仅供参考]

for size:试尺寸 看是否合适 按不同尺码

cut sb. down to size 使某人有自知之明 使某人自量 揭露某人的本来面目 证明并不象说的那么好 | for size 试尺寸 看是否合适 按不同尺码 | of a size 大小一样的 尺码相同的

positioning for size:按大小排位

位置强度公式 position strength formula | 位置向量 position vector | 按大小排位 positioning for size

try it for size:试试大小

How much is it altogether? 总共多少钱? | Try it for size. 试试大小. | Will you show me...? 请拿给我看...?

try sth. for size:试做某事 试试某物

That's about the size of it. 大体就是这么回事 真实情况就是这样. | try sth. for size 试做某事 试试某物 | size up 估量[计], 判断;估计某物的大小;达到某种标准

try this one on for size:试试这个尺寸, 看看是否合适

41. pay through the nose 被勒索 | 42. try this one on for size. 试试这个尺寸, 看看是否合适. | 43. luck favors the prepared. 机会是给有准备的人的.

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