The preparation of sodium metasilicate pentahydrate using aqueous crystallization method is studied.
对采用溶液结晶法制取五水偏硅酸钠进行了研究。
Crystallization device, crystallization method, film transistor making method, film transistor and display device.
结晶装置,结晶方法,薄膜晶体管的制造方法、薄膜晶体管和显示装置。
Sodium chloride which content was more than 99.1% could be got from separation salt by adding brine crystallization method.
分离盐经兑卤结晶工艺处理,可得含量大于99.1%的氯化钠。
Using crystallization method and preparation-HPLC preparation atropine, the method is simple, economic and the refined products is pure.
结晶法-制备高效液相色谱法制备阿托品,方法简便、经济、纯度较高。
Two methods of distillation crystallization method and gas chromatography to determine the naphthalene content in coal tar oil were introduced.
介绍煤焦油中萘含量测定的两种方法:蒸馏结晶法和气相色谱法,对两种方法的优缺点及分析结果进行了对比。
The extraction-crystallization method was used to recover cobalt and manganese acetates from the waste catalyst in the PTA production process .
以对苯二甲酸生产装置中排放的废催化剂为原料,采用萃取—结晶法回收其中的醋酸钴和醋酸锰。
YAG powders obtained by nitrates crystallization method are severely agglomerated, the maximum relative density of the sintered body is only 74.3%.
硝酸盐混晶体煅烧得到的YAG粉体团聚严重,烧结体最大相对密度仅为74.3%;
Sodium percarbonate were produced by by-product alkali residue of hydrazine hydrate as the material and wet low temperature synthesis crystallization method.
以水合肼副产碱渣为原料,选择湿法低温合成结晶法制备过碳酸钠。
Effects of process parameters on microstructure of controlled crystallization method of A356 alloy are studied by using orthogonal arrays design in this paper.
采用正交试验法,研究了A356铝合金控制凝固法工艺参数对显微组织的影响。
The purification of technical naphthalene by stepped static crystallization method in cracked aromatic fraction, which is rich of naphthalene has been developed.
以富含萘的裂解芳烃馏分为原料,开发静态分步结晶法从芳烃馏分中提纯工业萘。
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。
Melt crystallization is a physical method for separating or refining organic compounds.
熔融结晶是一种分离精制有机物的物理方法。
And has probed into the method of improving IDA's purity and. yield adopting traditional crystallization crafts.
探讨了采用传统结晶工艺提高亚氨基二乙酸(IDA)晶体纯度和收率的方法和途经。
The crystallization kinetic parameters of the whole crystallization range were obtained by a new data processing method.
采用新的数据处理方法获得了整个可结晶温度区间的结晶动力学参数。
In a batch operated crystallizer, the dilution crystallization kinetics of dexamethasone sodium phosphate was studied by the moments method.
在间歇结晶器中,利用矩量变换法对地塞米松磷酸钠溶析结晶过程动力学进行了理论研究。
The application of the method is illustrated by determining the crystallization kinetics of the bisphenol a - phenol adduct.
应用该方法,测定了双酚a -苯酚加合物结晶动力学参数。
The purification method and crystallization shape of ampelopsis flavones were studied.
对粤蛇葡萄黄酮化合物的纯化方法及结晶形态进行了研究。
This paper demonstrates the efficient method of process control based on the batch raw sugar crystallization mechanism model to improve the crystal rate , shorten the crystal time and the wastage.
本文的主要工作就是基于间歇式入料蔗糖结晶机理模型的基础上研究蔗糖结晶过程控制的有效方法,以提高蔗糖结晶的速度、缩短煮糖时间、降低能耗。
A simulated annealing method is used to study the micro phase separation and crystallization in cylinder-forming semicrystalline diblock copolymers.
利用模拟退火方法研究非对称半结晶两嵌段共聚物熔体分别在弱分离和强分离条件下的结晶过程。
The process of sodium fluoride by ammoniating method was described in brief. The phase composition and crystalline morphology was determined and the crystallization kinetics was discussed also.
本文简述了氨化法合成氟铝酸钠工艺技术,测试分析了氨化法冰晶石的矿相、结晶形貌。就其结晶行为相关的动力学问题进行了讨论。
The spinnability and drawability of PMMA/PET blends were studied. The orientation and crystallization structure were measured by sonic velocity method and X-ray diffraction respectively.
研究了PMMA/PET共混纤维的可纺性和拉伸性,并测定了拉伸丝的力学性能、取向和结晶结构。
In this paper, solution co-blending method and different coupling agents were discussed to understand them how to effect the crystallization of PET.
文章探讨了溶液共混法和不同偶联剂对PET结晶能力的影响。
Two models of batch crystallization processes with the growth rate are solved by using the extended moment transformation method.
导出了两种分批釜结晶器模型的求解过程,该方法可用于求解生长速度与晶粒尺寸有关的分批釜结晶器模型。
This paper proposed an extended moment transformation method which is simple and can be used to solve the batch crystallization model with size-dependent growth kinetic equation.
提出了用广义的矩量变换法求解分批釜结晶器数学模型的方法。
Purification of diphenyl ether by crystallization without solvent is discussed. This method has provided with the characteristics of high efficiency, economy and cleanness.
用无溶剂结晶法纯制二苯醚,该方法具有高效、经济和洁净的特点。
The present invention discloses one kind of polysilicon film crystallization quality detecting device and detection and control method.
本发明公开一种多晶硅薄膜结晶品质的检测装置及其检测与控制方法。
The method can improve the crystallization efficiency of the maltol and render the grain be even and stable.
本发明的方法可以提高麦芽糖醇的结晶效率,并使所得晶粒均匀、稳定。
The method overcomes the shortcoming of grain growing above the initial crystallization temperature in annealing method, successfully preparing nano-crystalline material of very small grain .
该方法避免了传统的退火法在晶化温度以上晶粒长大这一缺点,成功制备出晶粒极细小的纳米材料。
The method overcomes the shortcoming of grain growing above the initial crystallization temperature in annealing method, successfully preparing nano-crystalline material of very small grain .
该方法避免了传统的退火法在晶化温度以上晶粒长大这一缺点,成功制备出晶粒极细小的纳米材料。
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