Brief analysis on pipe plugging by salt crystallization is made and three measures are cited to the colleagues for reference.
本文对结晶堵管作一肤浅分析，并提出三种解决措施供采卤同行参考。
Freezing - thawing damage of concretes saturated in bitterns was characterized as cracking caused by salt crystallization swelling.
其冻融破坏特征是盐结晶压导致混凝土膨胀开裂。
Objective:Improving the earning ratio on sodium salt azeotropism crystallization in the process of refining Penicillin is vital important to the total rates of return in producing Penicillin.
前言： 目的：提高青霉素提炼过程中钠盐共沸结晶的收率，对于青霉素生产过程的总收率的提高非常重要。
Concretes and reinforced concretes in salt lake undergo serious deterioration resulting from chemical corrosion, physical crystallization or rusting of reinforcing steel.
在盐湖条件下，混凝土和钢筋混凝土受到严重的化学腐蚀、物理结晶腐蚀和钢筋溃烂性腐蚀。
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。
Based on the principle of reaction crystallization, a new technology of direct crystallization of boric acid from the brine of salt lake by acidification at room temperature.
利用反应结晶原理，研究了室温酸化盐湖卤水直接结晶硼酸的新工艺。
The salt formation and crystallization process of cefoperazone with sodium bicarbonate in water and acetone were reported.
优化了头孢哌酮酸和碳酸氢钠的成盐、析晶等工艺条件，制备了头孢哌酮钠。
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。
A salt, such as alum, that ionizes in solution as if it were two separate salts but forms a single substance upon crystallization.
溶解电离时好似是两种不同的盐，结晶时却构成一种物质，如明矾。
Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .
结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。
Result: Through the reaction of 7-ADCA and Dane Salt, one step crystallization gives Cefalexin with the total yield 89.4% .
结果：7- 氨基-3-去乙酰氧基头孢烷酸（7-ADCA）和苯甘氨酸邓钠盐反应，只需要一步结晶即可得头孢氨苄，总收率89．4％。
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