减压的

The seals used in the door quickly check valve on the instrument,this valve is widely used in aircraft,also used in arow to the Shenzhou VI spacecraft on the 4th,is arelatively mature product.

这个密封圈用在舱门快检仪减压阀上，这种减压阀广泛应用于飞机上，也曾连续应用于神舟四号到六号飞船上，是比较成熟的产品。

These devices take the form of frangible disks or pressure relief valves.

减压装置以易碎盘或减压阀的形式出现。

OBJECTIVE: To evaluate the therapeutic effect of Wallis interspinous dynamic stabilization on lumbar degenerative disease compared with lumbar spinal canal decompression.

目的：与单纯腰椎管减压相比，评价腰椎管减压并棘突间稳定系统Wallis置入固定治疗腰椎退变性疾病的效果。

METHODS: A total of 200 volunteers who need to receive spinal fusion in the Affiliated Hospital of Qingdao University Medical College were selected, including 102 cases received anterior cervical subcorpectomy combined with iliac bone implantation fusion following decompression, and 98 cases received posterior laminectomy for decompression combined with intertransverse process fusion. Meantime, 223 normal adults were served as the control group.

随机选择青岛大学医学院附属医院住院患者中需行脊柱融合的自愿受试者200例，其中行颈椎前路椎体次全切除减压自体髂骨植骨融合钛板内固定者102例，腰椎后路椎板切除减压横突间植骨融合内固定者98例，以223名健康正常人作对照。

Transfer lines for liquid helium should be well insulated and vacuum jacketed.

如果压力源的压力很高，有必要使用减压阀和减压装置。

The method has the advantage of decompression effectively with high fuse rate,maintain the cervical lordotic angles and intervertebral space heights and was the optimal method for clinical used in elderly.

前路环锯减压BAK融合器植入融合手术能达到有效减压，融合率高，能基本维持椎间高度和颈椎前弯度，可在临床上选择性的应用。

Methods 35 cases with cyst of jaw were selected and followed up for 3 years after marsupialization was performed.

方法临床中选取35例颌骨囊肿病人，行囊肿开窗减压术后随访3 目的评价开窗减压术对颌骨囊肿的治疗效果。

Objective To value the effect of marsupialization in treating cyst of jaw.Methods 35 cases with cyst of jaw were selected and followed up for 3 years after marsupialization was performed.

目的 评价开窗减压术对颌骨囊肿的治疗效果方法临床中选取35例颌骨囊肿病人，行囊肿开窗减压术后随访3年。

The pterion approach for transcranial neural decompression and hyperbaric oxygen for treatment of optic nerve injury is effective and safe.

经翼点入路开颅行视神经管减压开放术及高压氧对视神经损伤的治疗，开放减压确切、彻底且完全有效。

Sulfuric acid was sulphonation reagent, add the sulfuric acidquantity was 8%, reaction temperature was 60~65℃.The reaction occursbetween the feed oil and sulfuric acid,then add 30% of sodium hydroxidesolution conducted neutralization in the Pyrex standard react kettle,when the reactionfinished ,draw out the products by funnel,then the products react with 8%clay to refine received the sulphonation refining oil so as to review property andreceive rate of the shallow sulphonation refining oil .By the using the sulphonationrefining oil to blend lubricant,its quality is on-specification .

为验证其可行性，首先在实验室进行浅度磺化小试，原料油采用新疆原油经常压蒸馏、减压蒸馏、溶剂精制、溶剂脱蜡后的减压二、三线脱蜡油，发烟硫酸作为磺化剂，发烟硫酸加入量8%，反应温度60～65℃，用三口圆底耐热玻璃标准反应釜对原料进行发烟硫酸磺化，加入量30%氢氧化钠中和，分液漏斗抽提，在烧杯内加入量8%白土进行精制得到磺化抽余油，考察浅度磺化抽余油性质和收率，用磺化抽余油调合润滑油质量合格。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。