临界体积
- 与 临界体积 相关的网络例句 [注:此内容来源于网络,仅供参考]
-
Catalyst Office of Beijing University of Chemical Technology designs a pressure resistant tank with a view cell, which was used to measure the critical point of six binary systems and the opalescence can be observed.
本文实验采用北京化工大学催化研究室自行研制设计的变体积可视化耐高压容器,利用临界乳光的出现作为临界点判据,对CO〓+环己烷,甲苯,正丁醛,异丁醛,甲醇和乙醇等六组超临界CO〓二元体系临界点进行了测量。
-
The content of the irregular bigger drop phase approached to pyrope. It showed that the crystallization and phase separation mechanics of the glass was the nucleation-and-growth transformation and the crystallization is bulk crystallization. The activation energies of phase separation and crystallization were calculated by the modified Kissinger method, about 310.445 KJ/mol and 249.26 KJ/mol respectively. Using the aluminum hydroxide as the reference, we calibrated the phase separation exothermal enthalpy of the quenched and nucleation treated glass, ca
钠镁侣硅系统徽晶玻瑞快速徽晶化机理的研究利用上式求得混合系统中两相的单位体积相变自由能、两相间的表面能和相互作用参数,分别为刁。6753xlo3了zcm3·、3ss.gozzem3、5.316xlo一JzcmZ和一442 xlol,进而求得球形核的临界半径为nnm,以及一个临界核的成核自由能变化为2石89 x10一14/cm3;成核半径16.5纳米时,球形核稳定存在,实测 1752个球形核中最小核半径为20纳米,与计算结果基本吻合。
-
A new model for self-diffusion coefficients was proposed based on both the concepts of molecular free volume and activation energy.
在考虑自由体积和局部临界扩散势能的基础上,提出一种新的计算自扩散系数模型,并给出新模型中各个因子物理含义。
-
Experimental results indicate that there is a critical value of carbon fiber weight fraction which effects the electrical properties of SCF/NBR.When carbon fiber weight fraction comes to this critical value,volume specific electrical resistance and static ...
通过实验发现,碳纤维的含量对短碳纤维/丁腈橡胶(ShortCarbonFiber/NitrileButadieneRubber)电性能的影响,存在一个临界值,当碳纤维的含量达到此临界值时,SCF/NBR的体积比电阻和静电电压都得到显著的降低。
-
Because of attraction between water molecule and carbonium ion, the severe contract in system volume brings about activation volume effect (the most negative A〓 observed in this work is 407cm〓mol〓), which produces subtle relationship between reaction kinetics and pressure in a certain operating region.
反应过渡产物正碳离子及水合正碳离子与近临界状态水分子之间强烈相互吸引导致反应活化体积出现极负值现象(本实验所测极值为-407cm〓·mol〓,这使得水解动力学参数对反应压力存在敏感依赖关系。
-
The results were found as following:(1) The damage value increases more significantly with the increase in PVF before 30% PVF, beyond which the increasing trend becomes gradually gentle.(2)Keeping the interphase strength and PVF unchanged, the damage increase with increasing moisture concentration in a nearly linear relation.(3)The results generated from the FCC model with consideration of the interphase debonding are in good agreement with the experimental data, meanwhile, the FCC model is also capable of predicting the critical load for the damaged and the undamaged dental composite subject too the 3-point flexural test.4 A 3D-fmite element analysis has been successfully exploited to examine the mechanical behavior of the restoration-tooth structure under the polymerization shrinkage and water sorption. It was found:(1) The low stiffness of the composite has the effect to limit the displacement occurring in the remaining tooth tissue. For lower interphase, the cuspal flexures are litter higher. The high interphase modulus acts as a \'shielding effect\' for stress transfer.
得到如下结论:(1)相同的吸湿性,在30%PVF(颗粒体积分数:Particle volume fraction,PVF)前增加PVF,层间脱胶损伤值显著增加;此后损伤值的增加趋于平缓;(2)保持层间强度和PVF不变,层间脱胶损伤随吸湿率的增加而接近线性增加;(3)FCC(面心立方:Face-centred cubic,FCC)模型层间脱胶损伤的预测结果和实验数据基本吻合;同时此模型可以用于预测牙齿填充材料三点弯曲实验的临界载荷。4、建立理想牙齿修复结构,利用有限元方法研究了同时考虑聚合收缩和吸湿膨胀耦合作用下的填充修复材料和粘结界面层材料性能对牙齿修复结构的力学行为的影响,得到如下结论:(1)低弹性模量的牙齿填充修复材料能限制天然牙组织的位移,但天然牙组织的位移与粘结界面层的弹性模量无关。
-
The swelling ratio of the semi-IPN polymer as function of temperature and pH value. A transition temperature of approximately 33.6℃ is obtained. Under the pH value of solution is up to 7 or more, the polymer is more hydrophile.
实验结果得知,在温度敏感性质方面,此semi-IPN水胶在水溶液中随著温度上升,於到达临界温度时会产生一不连续的体积变化,以DSC量测得此温度约在33.6℃左右。
-
Based upon the data from major coal mining and prospecting districts in China, the correlation of coal petrological and physical factors such as coal rank, lithotype and maceral to the coal methane content, absorption and permeability was summarized, and their controlled gas mechanisms were discussed.
发现煤级-含气量的&包络线&具有阶段性演化规律,最大含气量的显著变化与煤化作用阶跃高度一致,煤储层含气量较高的地区沿纬向等间距展布且与较高煤级煤分布区吻合,煤的兰氏体积与镜质组含量关系中存在一个镜质组含量临界值。
-
It introduced the classical theory of bubble nucleation during the process of foam plastics , and presented the calculation formulas about the radius of critical nucleation , required Gibbs free energy and nucleation rate of some kinds of nucleation. It reviewed the development of classical theory of bubble nucleation , including the influence of free volume and oversaturation on bubble nucleation , and pointed out the existing deficiencies in explanation of classical theory of bubble nucleation to bubble nucleation of dynamic polymer melt.
介绍了泡沫塑料加工过程中气泡成核的经典理论,给出了几种成核方式的临界成核半径、所需克服的吉布斯自由能及成核速率的计算公式;评述了经典成核理论的发展,包括自由体积和气体过饱和度对气泡成核的影响,并分析指出了经典成核理论对动态聚合物熔体气泡成核解释存在的不足。
-
The effect of reaction temperature, time, water volume, oxidant, acetic acid, ethanol, and sodium carbonate on the yield of reducing sugar were investigated.
在亚临界水的状态下对稻壳和麦麸进行水热糖化实验,考察了反应温度、反应时间、加入水的体积以及氧化剂、醋酸、乙醇、碳酸钠等对还原糖产率的影响。
- 推荐网络例句
-
The split between the two groups can hardly be papered over.
这两个团体间的分歧难以掩饰。
-
This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.
这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。
-
The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.
聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力