Delayed Phenomenon of Peritectic Reaction Under Non-equilibrium Cooling
非平衡凝固时包晶反应滞后现象的研究
Through observation of SEM phase micrographs of specimen heat-treated at different conditions,the peritectic reaction μAl.
通过对名义成分为Al11Cr2的铸锭在不同温度下进行退火处理后的金相分析,首次观察到了包晶反应μ-Al4Cr+Lη-Al11Cr2,且证实了共析反应η-Al11Cr2-μAl4Cr+-θAl7Cr的存在。
It is researched the influence of cooling rate and the content of silicon and manganese alloy on peritectic reaction and position of peritectic point in Fe-C alloy.
研究了冷却速率和硅、锰合金元素含量对Fe-C合金的包晶反应和包晶点位置的影响;由于CSP薄板坯冷却速率快,Fe-C相图向左下方移动,包晶反应区域的碳含量为0。
Study on the settling velocity model of crystal granula in the reactive crystallization process;
反应结晶过程中晶粒沉降速度模型研究
Preparation of ultrafine sumatriptan succinate for dry powder inhalation via reactive crystallization;
反应结晶法制备琥珀酸舒马普坦干粉吸入剂及其评价
Progress on granulated potassium sulfate by reactive crystallization method;
反应结晶法制取颗粒硫酸钾的研究进展
High purity nano-sized magnesium hydroxide was prepared by impinging stream reaction crystallization method using bischofite (from Chaerhan salt lake,in Qinghai Province) as raw material.
采用撞击流反应结晶方法,以青海盐湖水氯镁石为原料,制备了高纯纳米氢氧化镁。
Formation of magnesium chloride hexammoniate (MgCl 2·6NH 3) is the critical step of the coupled reaction crystallization process, which is an att ractive dehydration process.
反应结晶法作为一种高效、低能耗、低污染的制造和分离技术, 以及控制结晶产品特定物理形态的手段, 近年来受到国际工业界和科学界的格外关注。
Magnesium chloride hexammoniate (MgCl_2·6NH_3) is produced using reaction crystallization method.
采用反应结晶法制备了六氨氯化镁,研究了各种操作条件对六氨氯化镁晶体粒度分布的影响,确定了晶体粒度分布的控制因素。
The results show that when the addition of fluormica was less than 20% (in mass fraction, the same below), diopside was formed via reactive crystallization; when 40% fluormica was added, fluoramphibole was formed.
用X射线衍射、扫描电镜研究了不同加入量氟云母晶体的钠钙玻璃粉末在烧结过程中的反应析晶。
Heating up to 850 ℃,fluoramphibole is formed by a reactive crystallization between fluormica and glass,which had a significant influence on the densification.
加热至850℃,氟云母与玻璃发生反应析晶形成氟闪石,对致密化影响很大。
Liquid spreading and microstructure of Ti/Cu eutectic reaction;
Ti/Cu共晶反应液相铺展及组织
The results suggest that if Cu layer is too thin,the eutectic substance created from eutectic reaction is little,it can not fill the seam and the areas of joints are empty;if Cu layer is too thick,the eutectic substance is too much and there are many brittle Al-Cu compounds in the eutectic layer.
结果表明:铜层过薄,共晶反应生成的液相量太少,未能填满缝隙,接头有空洞出现;铜层过厚,共晶反应生成的液相量太多,在钎缝区形成较多的Al-Cu化合物脆性相。
Delayed Phenomenon of Peritectic Reaction Under Non-equilibrium Cooling
非平衡凝固时包晶反应滞后现象的研究
A group of atoms bound in a structure, such as a benzene ring, that is resistant to alteration in chemical reactions.
环（晶）核包围在抗化学反应变化的结构中的一组原子，如苯环
Melt-Peridotite Reaction: Constraints on Spinel Compositional Variation from Mantle Xenoliths;
熔体与橄榄岩反应：对地幔包体中尖晶石成分变异的制约
Keywords: reactive-crystallization, calcium oxalate hydrates, induction time, nucleation, morphology.
关键词：反应结晶、含水草酸钙、感应时间、成核、晶型。
Equilibrium Comparison
金属的相融、相融温度、晶体反应及合金在共晶合金、固熔孻共晶合金及偏晶反应的比较
hybrid fusion reactor blanket
混合式聚变反应堆包层
symbiotic fusion reactor blanket
共生式聚变反应堆包层
Perfect Dislocation Reaction Systems on {100}-{110}-{112} Planes in the BCC Lattice
体心立方晶体{100}—{110}—{112}晶面上全位错反应系统
Laser-induced Self-propagating Reaction Synthesis of Quasicrystal Materials and Amorphous Materials;
激光诱导自蔓延反应合成准晶和非晶材料
The higher temperature, the greater the reaction rate.
反应温度愈高,晶核生长的反应速率愈快。
The nucleation and growth rate equations of DSP were determined by non-linear regression analysis.
确定了反应结晶和溶析结晶过程中晶体成核和生长速率方程。
Reactive Crystallization Process of 7-Amino-cephalsporanic Acid
7-氨基头孢烷酸反应结晶过程研究
Preparation of Nano-(Micro-) Crystal Thin Films on Self-Source Substrate;
反应性基片上制备纳米（微米）晶薄膜
Study on Isolation of Dehydroabietic Acid by Reaction-Crystallization;
反应—结晶耦合单离脱氢枞酸的研究
Studies on SSP and Crystallization of PET;
PET固相缩聚反应与结晶性能研究
Experimental Research on Aging and Reactive Precipitation of CTA;
CTA熟化和反应结晶规律的实验研究
Study on Reaction and Antisolvent Crystallization of Cefoperazone Sodium;
头孢哌酮钠反应与溶析结晶过程研究
Study of the Effect of Chemical Reaction on the Crystallization Behaviors of Lithium Niobate
影响铌酸锂结晶行为的化学反应研究