In drilling engineering, drill pipe often sticks in salt formation because of wellbore shrinkage.
在钻井工程中，盐岩层井眼易发生缩径卡钻。
At last, balsalazide disodium was synthesized by balsalazide acid salt formation, and the yield of it was 96.5%.
第四步通过巴柳氮酸的成盐反应，合成巴柳氮钠，产物收率96.5%。
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。
A novel low temperature and salt resisting slurry was developed to overcome the challenges in low temperature salt formation.
为解决低温盐层固井问题，开发了一种新型的低温抗盐水泥浆体系。
Therefore, those examples given below that show the de-protection step (a) also show the concomitant salt formation step (b).
所以下面给出的例子既有脱保护的步骤a，又有伴随成盐的步骤b。
The salt formation is regarded as Maxwell model, and a viscous elastic mechanical model for plane strain features is established.
将盐层作为马克斯威尔体，建立了平面应变问题的粘弹性体力学模型。
In the past, salt formation is often regarded as an elastic or elastic-plastic body, and the effect of time is not taken into account.
过去常把盐岩作为弹性体或弹塑性体考虑，而没有考虑其时间效应。
It is the general method used by many countries that natural gas is stored in underground salt formation for providing high capability in area with the deposits of rock salt.
在具有岩盐矿床地质构造的地区，将天然气储存在地下含盐岩层内，实现在短期内提供高容量的储备，是目前各国普遍采用的方法。
Based on the method of parasequences identification with the salt rhythm characteristics, the sequence division accords with the practice in salt formation in Dongpu Depression.
基于盐韵律特征划分准层序的方法，使得层序地层划分更为符合东濮凹陷含盐地层的实际情况。
Methods tropisetron hydrochloride was synthesized from indol-3-yl carboxylic acid by chlorination and condensation with tropic alcohol lithium, then salt formation with hydrochlororic acid.
方法：以吲哚-3-甲酸为起始原料，酰氯化后与托品醇锂发生缩合反应，再与盐酸成盐制得盐酸托烷司琼。
Methods:Starting from 5-cyanophthalide, escitalopram oxalate was prepared via several steps including nucleophilic addition, hydrolysis, chemical separation, cyclization and salt formation.
方法：以5-氰基苯酞为起始原料，经亲核加成、水解、化学拆分、环化和成盐等反应制得抗抑郁药草酸依地普仑。
From 1-phenyl-2-propylamine, selegiline hydrochloride, an anti-Parksins drug, was synthesized via N-methylation, enantiomer separation, N-alkylation and salt formation with an overall yield of 42.2%.
以1- 苯基- 2-丙胺为原料，经N- 甲基化、拆分、N-炔基化、成盐共4步反应合成盐酸司来吉兰，总收率为42。
The formation of sea ice causes the concentration of salt in surface waters to increase; less sea ice would mean a smaller increase in the concentration of salt.
海冰的形成导致表水中盐的浓度增加；海冰的减少意味着盐浓度的增加幅度较小。
As the sea shrinks, underground layers of salt have dissolved, leading to the sudden formation of sinkholes, which damage roads and Bridges and threaten lives.
随着水域面积缩减，地下盐层也不断溶解，导致陷坑的突然出现，这严重损坏道路桥梁，威胁生命安全。
Although studies on salt restriction and cyst formation aren't conclusive, some experts suggest that reducing salt in your diet may help.
尽管没有研究证明食盐摄入和囊肿形成有决定关系，但是一些专家建议饮食中减少食盐摄入可能会有所帮助。
Scientists have found that vitamin B6 can reduce the content of oxalic acid salt in the blood, so as to prevent the formation of stones.
科学家发现，维生素b6可降低血液中草酸盐的含量，从而预防结石的形成。
Nonsandstone reservoirs between salt beds of Qianjiang Formation in the Qianjiang Sag of the Jianghan Basin are mainly composed of dolomicrite, glauberite rock, mudstone and their peperite.
组成江汉盆地潜江凹陷潜江组盐间段非砂岩储层的岩石主要为泥晶白云岩、钙芒硝岩、泥岩及其混积岩，孔渗性普遍较差。
In addition, salt water reduction environment advantageous to the formation of fluorene series and sulfur fluories compounds is also advantageous to the preservation of naphthalene series compounds.
此外，有利于形成芴系和硫芴系列化合物的咸水还原环境，同样也有利于萘系化合物的保存。
Bouyancy advection affects the turbulent mixing process in the ocean directly and restrains the formation and the change of the ocean's heat and salt structures.
浮力平流直接影响着海洋内部的湍流混合过程，制约着海洋热盐结构的形成和变化。
It shows that Shashi Formation composite of shallow lacustrine and continent source clastic rock and salt deposits that sedimented and developed in the half draught climate.
认为沙市组是形成于半干旱气候条件下的浅湖陆源碎屑岩和盐湖沉积。
There are two reasons for the formation of salt divinity belief.
形成盐神信仰的原因有二。
The asymmetric transformation of L-proline via formation of salt with (S)-tartaric acid was carried out by using butanal as a catalyst for epimerization in butanoic acid.
脯氨酸通过同（S）-酒石酸形成复盐，在正丁酸溶剂中以正丁醛作催化剂进行不对称转换。
The Formation of the salt tectonics in the Kuqa foreland fold belt may be controlled by compression, gravitational gliding and gravitational spreading.
库车前陆褶皱带盐构造的形成可能受挤压作用、重力滑动和重力扩展作用多重控制。
The distribution of abnormal high pressure is relative to Eogene gypsolith and salt layers. Huge gypsolith and salt layers are the important condition for the formation of abnormal high pressure.
异常高压的分布和古近系的膏盐岩分布密切相关，巨厚的膏盐层盖层是形成异常高压的重要条件。
With further increase of salt concentration, interaction between polymer and ion enhanced, which brought about the formation of new hard - segment aggregates.
随着盐浓度进一步增加，聚合物-离子相互作用增强，体系中硬段结构出现新的聚集形态。
In the Laizhouwan depression, the Sha4 Member of the Paleogene Shahejie Formation attains thick salt and gypsum which have uplifted and formed salt diapir and pillow in the KL112 area.
莱州湾凹陷沙河街组四段含有较厚的岩盐和膏盐层，并在KL112地区发生聚集隆起，形成典型的盐底辟(盐枕)构造。
But it has limitation in complex formation drilling for its natural thermal instability and high sensitivity to salt contamination, whereas tannin could he modified to widen its using fields.
因其在使用中具有不耐温、不耐盐等较多缺陷，无法适用于特殊复杂的地层，但是通过对其改性，可以拓宽其应用范围。
This was observed with the phthalic half-ester of cellulose due to formation of an insoluble triethylamine salt.
通过不溶的三乙胺盐的形成，用纤维素的邻苯二甲酸半酯可以观察到此现象。
By analyzing on composition and formation mechanism of ash deposit, the measures of decreasing salt and heavy metal contained in fuel oil and waste liquid and appropriately decreasing excess air co...
分析了积灰的组成和形成机理，提出了减少燃料油和废液中的盐分和重金属、适当降低燃烧的过剩空气系数等措施。
The influences of rare earth ions, salt anions and temperature on formation of complexes were discussed.
比较讨论了稀土阳离子、的阴离子与温度对形成配合物的影响。
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