查询词典 sand bath

Blond children scoot around on bicycles, elderly German couples take their evening constitutionals along the waterfront and teenagers who look surprisingly like Californiasurfer dudes guide tourists through an utterly un-African extreme sports scene: sand boarding, sand sledding, sand skiing and sand sailing - none of which includes a dune lift, so all of which demand repeated uphill slogs through the sand and the inhalation of lungfuls of Namibian dust.

白肤金发的孩子们疾速地骑着自行车到处跑，年龄大一点的德国情侣们在河边度过一个又一个花前月下，那些十几岁的年轻人，看起来不可思议地像极了加利福尼亚人，他们则承担起东部旅行者们的导游，带领他们参看那些完全脱离了非洲格调的极限运动：滑沙板、滑沙橇、沙地滑雪、沙飘—这些运动中没有任何一个使用沙丘攀登设备，因而它们所要求的是在沙地上的反复攀爬跋涉并吸入满肺的纳米比亚尘土。

On the basis of making large quantities of investigations, we comprehensively analyze current situation and damage of sand production, and systematically study sand production mechanism of gas well including classification of sand production, influence factors of sand production and process of sand production.

通过大量文献调研，综合分析了气井出砂现状和出砂危害；系统研究了出砂机理，包括了气井出砂分类、气井出砂影响因素和气井出砂过程的研究。

Under function of impeller with high rotating speed, the used sand will be cast to the wearable junk ring to remove the inert film on su rface of the sand via mutual collision and friction between sand and junk ring, impeller and case of machine, sand and sand.

工作时旧砂在高速回转的叶轮作用下，抛向耐磨衬圈，通过砂粒与衬圈、叶轮与机盒、砂粒与砂粒之间的相互碰撞和摩擦，去除砂粒表面的树脂惰性膜。

The vertical distribution of Aeolian sand current Based on the distribution function of lift-off velocity of saltating sand grain, this thesis develops a vertical distribution model of Aeolian flow linking with the number of lift-off sand grains percent time percent sand area. The thesis realizes the combination of microcosmic researches and macroscopical researches of Aeolian wind sand and solves primarily the isjunction of microcosmic researches and macroscopical researches.

4风沙流的垂向分布以本文获得的沙粒起跳初速度分布函数为纽带，结合本文获得的单位时间单位面积沙床起跳沙粒数，建立风沙流的垂向分布模型，实现风沙运动宏观研究和微观研究相结合，初步解决长期以来宏观与微观研究相脱节问题。

In the paper the author relates systematically the research fruits in the program of Research on Sand Slurry Abrasion Mechanisms of Dredging Conditions and New Wear-Resistant Materials. The main contents and innovations are listed as follows.Summarized and analyzed are the wear researches and developments, and the methods of increasing materials wear-resistance. From the viewpoint of the characteristics of two-phase liquid sand slurry wear, combined with the examination and study on easily damaged workpieces, the wear failures basic rules are pointed out, of the pump shell and the cutter-piece on service, and the general principles of material wear-resistant designs put forward. The sand slurry abrasion tester has been designed and developed which can simulate general dredging conditions. Summarized and presented are the position-exchange measuring method of sand slurry abrasion test and the experiment specification of sand slurry wear test of dredging conditions.

文中系统论述了作者在疏浚工况泥沙磨损机理及其耐磨新材料课题研究中的工作成果，主要研究内容和创新点如下：总结分析了磨损研究动态和提高材料耐磨性的方法；从两相流泥沙磨损的特点出发，结合对失效易损件的考察研究，分析指出了现役泥泵壳和绞刀片磨损失效的基本规律，提出了材料耐磨损设计的基本思想；设计研制了能模拟疏浚工况的泥沙磨损试验机，总结提出了泥沙磨损试验换位测试法和疏浚工况泥沙磨损试验规范。

Therefore a GD sand-screening pipe is developed, which is helpful to the environment protection. This new sand-screening pipe consists of center pipe, sand filter and guide shoe. The center pipe is machined from 64mm tubing, and the sand filter is made from silica sand, cement, additive.

这种环保型滤砂管由中心管、滤砂器及引鞋组成，中心管采用 6 4mm油管加工而成，两端为特种 6 4mm平式油管螺纹，管体上每米均匀分布 72个直径 10mm孔眼；滤砂器是根据不同技术标准筛选不同粒度的石英砂、油井水泥、添加剂和水按配比加工压制的。

The formation sand flow is one of an important factor to effect the nonnal production of oil wells. Sand pump technology is an effective way to control the fine sand in the artificially lifted wells. Sand control pump is main tool for sand disposal.

地层出砂是影响油井正常生产的重大因素之一，排砂工艺是针对细粉砂在机采井上采取的一种防砂工艺，防砂泵是目前主要的排砂工具。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme （mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9（34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,300 IU/g of KDN pectinase,35℃、6 h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 500 IU/g of TZ-888 compound enzyme,45 ℃,6 h.

摘 要：本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素，用高活性的KDN果胶酶和TZ-888复合酶（主要是木聚糖酶和甘露聚糖酶）从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验，然后选取影响显著的浴比、酶用量、温度，时间进行四因素三水平的脱胶试验，结果表明鲜麻采用KDN果胶酶脱胶最佳组合为浴比1：18，pH 8.6， 1 mmoL/L Mg2+，酶用量300 IU/g，温度35 ℃、时间6 h时处理，TZ-888复合酶脱胶最佳组为浴比1：12，pH 4.0， 1 mmoL/L Ca2+，酶用量500 IU/g，温度45 ℃，时间6 h进行脱胶为优化的试验条件。

The main component of ramie glial was pectin, hemicellulose and lignin; The single factor on degumming of ramie test was respectively analyzed with a high vigorous of pectinase KDN and TZ-888 compound enzyme （mainly xylanase and mannanase on the pH value, bath ratio, dosage of enzyme, metal ions, temperature and time.The orthogonal test of L9（34 were done by bath ratio, dosage of enzyme, temperature and time. The results showed that the best compages of KDN pectinase on dry ramie degumming was 1∶12 of bath ratio,pH 8.6,1 mmol/L Mg2+,20 IU/g of KDN pectinase,4℃、4h;the best compages of TZ-888 compound enzyme on degumming was 1∶18 of bath ratio,pH 4.0,1 mmol/L Ca2+, 300 IU/g of TZ-888 compound enzyme,40 ℃,5 h.

摘 要：本研究根据苎麻胶质的主要成分为果胶、半纤维素和木质素，用高活性的KDN果胶酶和TZ-888复合酶（主要是木聚糖酶和甘露聚糖酶）从pH值、浴比、酶用量、金属离子、温度、脱胶时间等方面进行单因素试验，然后选取影响显著的浴比、酶用量、温度，时间进行四因素三水平的脱胶试验，结果表明干苎麻采用KDN果胶酶脱胶最佳组合为浴比1：12，pH 8.6， 1 mmoL/L Mg2+，酶用量200 IU/g，温度45 ℃、时间4 h时处理，TZ-888复合酶脱胶最佳组为浴比1：18，pH 4.0， 1 mmoL/L Ca2+，酶用量300 IU/g，温度40 ℃，时间5h进行脱胶为优化的试验条件。

Different water bath and bath-time on the extraction plants in leaf protein Abstract :In the water bath for 70,80,90 ℃ for not using hot water bath time extracting heat No.2 Stylo leaf protein, and in which the crude protein content .

不同水浴温度和水浴时间对提取柱花草叶蛋白的影响摘要：在水浴温度为70、80、90、100℃条件下用不水浴热时间提取热研2号柱花草叶蛋白，并测定其中粗蛋白质的含量。

He studied their excrement for evidence of livestock hair.

他为家畜毛的证据研究他们的粪便。

Loneliness is not grounds for deportation, deportation of the people are not all lonely people.

寂寞也不是放逐的理由，放逐的人也并不都是孤独的人。