减压的

Microvascular decompression and selective neurotomy of the cranial nerve roots are effective.

同侧原发性三叉神经痛、面肌痉挛、舌咽神经痛及原发性高血压病极为罕见，其与脑神经根部血管压迫和蛛网膜增厚、黏连之间具有一定的因果关系；显微血管减压术并神经根选择性切断术是有效的治疗方法。

The high ratio of diaphragm to orifice provides excellent performance and stability at low reduced pressure.

在低减压情况下，隔膜到节流孔的高控制比具有卓越的性能和稳定性。

Discussing and studying the piping feeding distance that is from outgate of decompression orifice plate of IG541 mixture gas piping extinguishing system to the farthest nozzles, gave the range of piping feeding distance that is common in use IG541 mixture gas fire extinguishing system s in engineering design.

依据《气体灭火系统设计规范》，对IG541混合气体有管网灭火系统减压孔板出口到最远喷头的管道输送距离进行探讨，提出工程设计中IG541混合气体灭火系统常用的管道输送距离范围。

Phytin was extracted with diluted hydrochloric acid, after precipitating the effluent and transforming the precipitate with sodium hydroxide, sodium phytate solution was produced.

采用化学沉淀法由菲汀制取植酸和植酸钠。菲汀经酸浸、沉淀、加碱使沉淀转化可制得植酸钠溶液。植酸钠溶液经减压浓缩、乙醇结晶可制得针状的植酸钠晶体，或经离子交换树脂酸化、浓缩可得浓度为70%的植酸

The ammonia was evaporated under decreasing pressure, and the precipitate was filtered off and the liquid was poured into hot saturated picric acid solution to get picrate with a yield of 85.0%. The optimum process starting from imidazole-4,5-dicarboxylic acid was: imidazole-4,5-dicarboxylic acid in acetic anhydride was refluxed to get imidazole-4-carboxylic acid, and the product was esterification in ethanol with a catalyzer of concentrated sulfuric acid to get ethyl imidazole-4-carboxylate, at last the compound above was reduced by LiAlH4 in ether at room temperature to get the target compound, the total yield of this route was 49.6%.

以4，5-二羧酸咪唑为原料的较佳工艺：1 脱羧反应：4，5-二羧酸咪唑40g，醋酐1200ml，回流10h，过滤并将滤液浓缩至干，所得固体加至50%的乙醇溶液回流，过滤并将滤液自然冷却过夜，过滤得固体；2 酯化反应：4(5)-羧酸咪唑50g，乙醇1000ml和浓硫酸60ml，加热回流2h，5%浓度NaOH溶液调节至pH＝8，减压浓缩至干，加入少量水回流，自然冷却过夜并过滤得固体；3 还原反应：LiAlH410g，乙醚300ml和4(5)-羧酸咪唑乙酯28g，常温反应1.5h，小心滴加25ml水后过滤，滤渣溶于300ml甲醇中并过滤，收集所得乙醚和甲醇滤液浓缩至干，将所得固体溶于300ml乙醇中加热回流，后将溶液浓缩至约30ml，冷却并过滤得固体，该路线总收率为49.6%。

Recurrence was classified as minor, defined as requiring a tendon transfer or an Achilles tendon lengthening, or major, defined as requiring a full posterior or posteromedial surgical release to achieve a corrected plantigrade foot.

在复发的分型上，如果患者需要肌腱移植或者是Achilles肌腱强化，则定义为小复发；如果需要完全的后路或者后中路手术减压才能达到完全矫正，则称为大复发。

Recurrence was classified as minor, defined as requiring a tendon transfer or an Achilles tendon lengthening, or major, defined as requiring a full posterior or posteromedial surgical release to achiee a corrected plantigrade foot.

在复发的分型上，如果患者需要肌腱移植或者是Achilles肌腱强化，则定义为小复发；如果需要完全的后路或者后中路手术减压才能达到完全矫正，则称为大复发。

This method is successfully applied to a problem over a horizon of one week involving 2 vessels, 6 portside tanks, 6 refinery tanks, 2 CDUs, and 6 crude oil types.

采用该方法成功求解了一个时间为1周、2艘油轮、6个码头罐、6个厂区罐、2套常减压蒸馏装置、6种原油的调度问题，表明此方法是切实可行的。

The rarefaction wave immediately behind shockwave decompressed the shattered rock and threw them along with jet current.

紧接着冲击波后面形成的稀疏波使压碎的岩石减压并随喷射流抛出。

Design and application of intelligent test stand for pressure reducer are presented.

主要介绍了基于硬件设备和软件编程基础上的智能型减压器试验台的设计与应用。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。