结晶

An ultra-high strength, weldable, low alloy steel with excellent cryogenic temperature toughness in the base plate and in the heat affected zone when welded, having a tensile strength greater than 830 MPa (120 ksi) and a micro-laminate microstructure comprising austenite film layers and fine-grained martensite/lower bainite laths, is prepared by heating a steel slab comprising iron and specified weight percentages of some or all of the additives carbon, manganese, nickel, nitrogen, copper, chromium, molybdenum, silicon, niobium, vanadium, titanium, aluminum, and boron; reducing the slab to form plate in one or more passes in a temperature range in which austenite recrystallizes; finish rolling the plate in one or more passes in a temperature range below the austenite recrystallization temperature and above the Ar3 transformation temperature; quenching the finish rolled plate to a suitable Quench Stop Temperature; stopping the quenching; and either, for a period of time, holding the plate substantially isothermally at the QST or slow-cooling the plate before air cooling, or simply air cooling the plate to ambient temperature.

在基体板以及焊接时的热影响区处的低温韧性优异的超高强度、可焊接、低合金钢具有高于830MPa（120ksi）的抗拉强度，并且具有包含奥氏体薄膜层和细晶粒的马氏体／下贝氏体板条的显微层状组织，所述钢的制备过程为：加热含有铁以及特定重量百分比的添加元素的钢坯，所述添加元素为碳，锰，镍，氮，铜，铬，钼，硅，铌，钒，钛，铝，以及硼中的一些或全部；在奥氏体可发生再结晶的温度范围内，采用一个或多个道次，将所述钢坯轧制成板材；在低于奥氏体再结晶温度但高于Ar 3 转变点的温度下，采用一个或多个道次对所述板材进行终轧；将所述终轧板材淬火至一适当淬火终止温度；停止所述淬火；或者在空冷前在QST点基本等温保持所述板材一段时间，或者对所述板材进行缓慢冷却，或者只是简单地将所述板材空冷至室温。

It shows that nano-silica acted as the nucleating agent in nylon crystallization, and increased the crystallization rate of the nylon.

结果表明，可分散性纳米SiO2的加入对尼龙66的结晶起到了一定的成核作用，并提高了其结晶速率。

The results show that hydraulic system, which performs sinusoidal and non-sinusoidal oscillation, oscillates smoothly and can obtain high oscillating precision.

结果表明，液压振动装置实现的结晶器正弦和非正弦振动，具有较高的振动精度，显示出其在结晶器振动方面具有明显的优势。

In addition, the neck (32) of the preforms (30) and bottles (82) is at least partially in the crystalline state and the body (34) is primarily in the amorphous or semi-crystalline state.

此外，型坯(30)和瓶子(82)的颈部(32)至少部分是在结晶状态和主体(34)主要是非晶或半结晶状态。

For wurtzite-type crystal, [Zn-S4]6- and [Zn-S4]6+ with different crystal positions distribute in the form of layers along c axis, where the two layers of tetrahedrons whirl 60 around c axis, so the crystal is mainly like hexagonal cone.

在纤锌矿型晶体中，[Zn-S_4]~(6-)和[Cd-S_4]~(6-)四面体沿c轴呈层状分布，上下两层四面体的结晶方位不同，两层四面体绕c轴旋转60°，晶体的结晶形貌为六方锥状。

We can get chitin and protein from the mycelium using the waste alkali and waste hydrochloric acid, so as to enhance its comprehensive benefits.7 The project of the comprehensive treatment of the mother liquorFor the reason of recrystallization, a large amount of mother liquor were produced with the production of IA, except for IA, it also contain residua sugar, mineral and colloid, which could prevent the recovery of IA crystal.

利用回收的树脂再生酸、碱从菌丝体中分离出甲壳素和菌体蛋白，提高的菌体的综合效益。7、衣康酸提取母液的综合治理方案由于衣康酸的提取采用的是重结晶法，因此，生产过程中会产生大量的母液，母液中除了含有衣康酸外，还含有残糖、无机离子及少量小分子胶质物质等，这些成分的浓度相对较高，抑制了母液中衣康酸的结晶和提取，导致这部分母液只能排放，不仅使衣康酸的提取率降低，也加重了污水处理的负荷。

The effects of parameters, such as seeds added, agitation speed, evaporation temperature, pH of solution etc., on the product quality have been studied. And an optimal operating condition of crystallization of ammonium sulphate has been determined.

考察了投加晶种，搅拌速率，蒸发温度，pH值等操作参数，对结晶过程最终产品粒度分布和晶形质量的影响，确定了硫酸铵结晶工艺的最优的操作条件。

The main contents and innovation points of this thesis are as follows: First, based on the reaction of using vitriol and potassium chloride to get calcium sulphate, we studied the influence of different fields, especially microwave, on the crystallization of CaSO_4. Through special designed device, the same temperature rising has been achieved in microwave heating and traditional water bath.

本文的主要研究内容和创新点如下：第一，本文基于硫酸与氯化钙反应生成硫酸钙反应，研究了不同物理场对硫酸钙结晶的影响，重点探讨了微波对硫酸钙结晶的影响，在相同温升速率下，从相同初温加热到相同末温，微波加热使硫酸钙晶体形貌发生了很大改变，晶体粒度明显变小。

Using image processing technology, we analyze the size and shape of cell wall crystal region of bamboo's cross section during entire growth from bamboo shoot to the mature bamboo. Using region segmentation, we study the forming and distributing characteristic of crystal regions of the fiber cap、 proto-sieve 、 thin-walled cell of vascular bundle of bamboo's cross section.

本文应用图像处理技术分析了竹材从竹笋到成竹整个生长阶段横截面细胞壁结晶区的大小及形态，并应用区域分割法研究了竹材微管束横截面中的纤维帽、筛管、薄壁细胞等各部分结晶区的形成过程以及分布特征。

The phase diagram was plotted. The study will be used as a basis for the separation of K2Cr2O7 and CrO3 for cleaner production of chromium trioxide. 2. The crystallization thermodynamics of the system was studied.

对该体系的单组分的结晶热力学进行了初步的研究，测定了K2Cr2O7的从25 °C至90 °C的溶解度和超溶解度，研究了各种影响因素对结晶的影响。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了