查询词典 phase transition

It is difficult to get the accurate analytic expression dependent on temperature and wavelength through theoretical derivation,because phase transition mechanism is complex.

因为相变机制的复杂性，很难从理论上推导出相变前后光学常数随波长和温度变化的解析表达式。

Angular noise correlation time has great influence on the linewidth in the intensity spectrum.

标 签 泛函导数定态强度分布一级相变类比瞬态解本征值 functional derivation steady-state intensity distribution first-order-like phase transition instantaneous solution eigenvalue

Described the design of supercritical fluid extraction principles; combination of star anise essential oil of the nature of the proposed extraction conditions for extracting pressure 15MPa, extraction temperature 40 ℃, CO2 flow rate 830 ~ 850L / h, extraction time of 2h, the extraction conditions selected temperature swing separation, further development of the star anise crushed, CO2 super-critical phase transition, extraction, separation and packaging processes; in determining the production process on the basis of material balance, heat balance, extractor size calculation, piping calculation and packaging process is calculated; for the pollution occurred during the production, analysis of pollution sources, pollution control and waste treatment proposed measures; accounting of production costs and value.

本设计阐述了超临界流体萃取技术的原理；结合八角精油的性质，提出萃取条件为萃取压力15MPa，萃取温度40℃，CO2流量830～850L/h，萃取时间2h，根据萃取条件选用变温变压的分离方式，进一步制定了八角粉碎、CO2超临界相变、萃取、分离和包装等工序；在确定的生产工艺流程的基础上进行物料衡算、热量衡算、萃取釜尺寸计算、管路计算和包装工序计算；针对生产过程中出现的污染，分析污染的来源，提出控制污染和废料处理的措施；核算生产的成本和价值。

And the lattice distance expands anomalously with decreasing particle size. Using the model of long-range interaction and its cooperative phenomena altered by particle size, the size-induced cubic-tetragonal phase transition, the anomalous lattice expansion, and the change in chemical bonding characters have been well understood.

采用长程相互作用的晶粒尺寸效应模型，对钛酸钡纳米晶结构相变、晶格间距异常增加、价键性质变化等实验现象给出了合理的统一的解释；并把该模型扩展到解释与钛酸钡晶体具有不同共价性成分的氮化镓等纳米体系的相变以及晶格结构变化现象。

The results show that to obtain an approximate value of the phase transition point, using the asymptotic series method not only can achieve high accuracy but also has the great advantage of fast computation.

结果表明：对于求相变点的近似值，采用渐近级数展开法不仅能达到很高的精度，同时还具有计算量小的突出优点。

The relationship between node degree and average betweenness has the feature of power law, and the phase-transition point of tolerance parameter in the critical behavior of cascading failure is derived theoretically.

实际电网度分布的不均衡性使其对于随机故障具有很高的鲁棒性，对高介数元件的蓄意攻击具有高度的脆弱性，高介数的网络元件是电网中最脆弱且最关键的部分。

The bond length of the carbon nanotube would increase after phase transition, and we use a elastic model to explain this physics phenomenon.

同时我们的计算结果表明碳管键长在相变后会突然变长，我们采用了一个简单的弹性模型来解释这一物理现象。

The phase transition temperatures and enthalpy of the microcapsule were determined by means of differential scanning calorimeter.

微胶囊的制备技术起源于20世纪50年代，并在以后的几十年间得到了迅猛的发展。

The high content of Iohexol, a contrast media, in nanogel based on PNIPAAm dispersion had a profound effect on the volume phase transition of nanogel particles and thermosensitive phase behavior of nanogel dispersion, which mainly due to the presence of Iohexol with polyhydroxy group changed the micro-environment of nanogel particles.

这主要是因为多羟基的碘海醇的存在改变了纳米凝胶粒周围的微环境，使纳米凝胶粒在较低温度时处于收缩状态，并使纳米凝胶的VPTT比不含碘海醇的水分散体的升高10℃。

The results of simulations performed at nearly zero temperature demonstrate that stress-induced phase transitions from body-centered cubic to face-centered cubic and hexagonal close-packed structures take place during the deformation process of both Fe and Ta, and the maximum fraction of FCC atoms varies linearly with the tensile strength, from which we can conclude that a critical stress exists for the phase transition to take place.

低温模拟结果表明，纳米晶铁和钽在变形过程中都出现了应力诱导的相变，其中FCC结构含量的最大值和抗拉强度成线性关系，并由此可以推出相变发生的临界应力值。

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在，'歼灭战perfuming自己与胡努特，那麼，他来到和SAT 。