查询词典 nucleate

The structure of deoxypentose nucleic acid is the same in all species (although the nitrogen base ratios alter considerably)in nucleoprotein, extracted or in cell, and in purified nucleate.

脱氧核糖核酸的结构在所有的物种中都是相同的（虽然他们的N碱基对的比例有很大的不同），包括在细胞中或者是提取的核蛋白，和纯化的核酸中。

Once nucleate boiling is initiated, heat transfer in propanol/water mixtures was shown to becontrolled mainly by the mass diffusion effect. In the concentration range studied in this work, the addition of SDS in water results in insignificant variation of dynamic contact angles.

沸腾一旦起始后，正丙醇水溶液比纯水的核沸腾热传速率小，此一组成的影响与双成分混合物的汽-液平衡和热、质传的物理特性有关，可以质量扩散效应描述。

Stamens usually 6 in 2 whorls, rarely 3 or 1, inserted on perianth, often unequal or dissimilar; filaments slender, free; anthers 2-loculed, introrse, dehiscing by longitudinal slits or rarely by pores; pollen grains 2- or 3-nucleate, colpi 1 or 2(or 3), distal or subequatorial.

雄蕊通常6，2轮，很少3或者1，着生在花被上，通常不等长或者不同；花丝纤细，离生；花药2室，内向，纵向开裂或少数孔裂；花粉粒2-3核， 1或者2(或者3)沟，远轴或者近赤道面。

The fracture mechanism of totally austenite TWIP steel (steel 5#) is: the moving of dislocations is blocked by twin boundary during deformation. Micro-voids nucleate at boundary of deformation twins by the interaction between deformation twins and dislocations. Micro-voids are formation, growth, coalescence and break by the stress concentration during deformation.

全奥氏体的TWIP钢（如5＃钢）的断裂机制为：形变过程中位错的运动受孪晶界的阻碍，形变孪晶与位错的交互作用使微孔形核于孪晶界处，应力集中使微孔长大、聚合直至材料发生断裂。

The fracture mechanism of TWIP steel (steel1#) which contains second-phase is: micro-voids nucleate due to binding force weaken between austenite and second-phase or second-phase dehiscence itself caused by strain-hardening. Micro-voids are formation, growth, coalescence and break by the stress concentration during deformation.

含有第二相的TWIP钢（如1＃钢）的断裂机制为：第二相和奥氏体相界面聚合力的减弱或第二相本身加工硬化导致的开裂促使微孔形核，形变过程中产生的应力集中使微孔长大、聚合直至发生断裂。

At present,the rate laws and reaction mechanisms of pyrite oxidation,pyrite and chalcopyrite formation,uraninite and magnetite dissolution in aqueous solutions are mainly studied,and it is discovered that (1)oxidation rate of pyrite controlled by surface reaction assume fractional dependence on Fe3+ and O2 molalities in acid solutions;(2)Pyrite cannot nucleate directly from solutions below 300 ℃,it can only form initially through sulfidation of a FeS precursor. The rate equation of reaction between FeS and H2S to form pyrite is of the second order;(3)Chalcopyrite is formed by reactions of pyrrhotite or pyrite with Cu2+,the former proceeds via a series of mediate metastable phases of Cu-Fe sulfide,whereas the rate equation of the latter is apparently of the first order which is controlled by surface reaction;(4)The nonlinear behavior of magnetite dissolution at acid pH can be represented by a shrinking core model coupling with surface reaction and diffusion transport.

目前主要研究了水溶液中黄铁矿氧化、黄铁矿和黄铜矿形成、晶质铀矿和磁铁矿溶解的速率定律和反应机理，发现：(1)酸性溶液中黄铁矿的氧化速率对Fe3+和O2浓度呈分数依赖并受表面反应的控制；(2)低于300 ℃时黄铁矿不能从溶液中直接成核，而需初始地通过FeS先驱物的硫化生成，FeS与H2S反应形成黄铁矿的速率方程为二级；(3)磁黄铁矿或黄铁矿与Cu2+反应均可形成黄铜矿，前者经历了一系列准稳的Cu-Fe硫化物的中间物，后者的速率方程为表观一级并受表面反应的控制；(4)酸性pH时磁铁矿的非线性溶解行为可采用表面反应扩散输运耦合的收缩核模型来描述。

Creep cracks seem always to initiate at inherent casting pores and slowly propa-gate anisotropically along the (001) planes, perpendecular to axis of stress applied, upto the final fast fracture. Creep cracks can also nucleate at fractured carbides or at in-terfaces between carbides and matrix in the alloys containing more carbon.

结果表明：单晶的蠕变断裂具有明显的晶体学特征，蠕变裂纹总是从已有的铸造的显微疏松处萌生；对于含碳量较高的材料，碳化物及其与基体的界面也是裂纹萌生的有利位置；这些已萌生的裂纹在外加应力轴垂直的(001)面上各向异性地扩展，直到由于承载截面的逐渐减小而导致最终破坏。

Could be observed on 10th day after pollination, archesporial cell on 20thday, megasporocyte on 24th day, the functional megaspore on 30th day; and 8-nucleate embryo sac on 41th day. And then double fertilization finish and early globular embryo emerg.

授粉10 d出现指状突起，20 d形成胚珠原基，24 d大孢子母细胞发生，30 d功能大孢子形成，41 d发育为成熟的八核胚囊，而后完成双受精发育成早期球形胚。

Methods Trizol reagent from clamworm digestive tract epithelial cells extracted methods Total RNA. The mRNA was purified and reverse transcripted into cDNA. The cDNA was linked into plasmid pDNR-Lib after digested by nucleate endonuclease Sfi I to construct cDNA library.

分离沙蚕消化道上皮细胞，使用Trizol试剂提取总RNA，纯化mRNA，用MMLV逆转录成cDNA，用Sfi I核酸内切酶酶切后连接到pDNR-Lib质粒中，构建cDNA文库。

Numerical simulations were conducted for dropwise condensation on the basement of the random fractal model and the methods are also used in the numerical simulation of nucleate pool boiling heat transfer.

珠状凝结和核态池沸腾换热都具有较高的换热效率，具有很重要的工业应用前景，因此引起了极大的研究兴趣，取得了一定的成就。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。