查询词典 sand-fish

The tidal sand ridges in the East China Sea and the sand ridges in the Celtic Sea are all large-scale and deep water sand ridegs on open continental shelf, and were formed in the postglacial sea level rise period.

东海潮流沙脊与凯尔特海沙脊均为开阔陆架上的大型深水沙脊，它们都形成在冰后期海面上升时期。

The aim of this research is to understand the ecological relationship between sand vegetation and environment, adaption charactristics of psammophilous plants to sandy environment and feature of plant resources in Otindag Sand Land, and further to provide theory evidence for selection optimal sand-fixation species and planning feasible process of vegetation restoration in desertification control.

本论文的目的是了解沙地植被与环境的生态关系、沙生植物适应沙地环境的特点以及沙地植物资源特征，为在沙漠化防治中选择合适的治沙物种、制定合理的植被恢复方案提供理论依据。

Caragana intermedia is a psammophilous shrub and one of the commonly occurred species in fixed and semi-fixed sand dunes in Otindag Sand Land and MU US Sand Land.

中间锦鸡儿是浑善达克沙地和毛乌素沙地固定和半固定沙丘上常见的一种沙生灌木。

The main business is to deal with a variety of surface materials, including the sand material for blasting (iron grits, ceramic sand, plastic sand etc), polishing material (polishing wax, cloth wheels, polishing powder, polishing liquid, KOYO series),grinding materials (grinding stone, grinding media , brightener),drawing series, cleaning materials (the liquid for removing wax, rust removing, powder for removing oil). we are the distributor of Japan KOYO polishing products in South China,also distribute the other famous brand in the field of surface treatment, such as Japan FUJIMI, RIKEN, NIKKEN,SOKEN,Germany MENZERNA, AMERICAN 3M, AMERICAN MAXI-BLAST, Saint-Gobain of France, South Korea DEER.

主要产品有各种喷涂砂材(铁砂、陶瓷砂、玻璃砂、棕刚玉、金刚砂、白刚玉、塑胶砂、石榴砂、核桃砂、碳化硅、不锈钢丸、钢砂、铸铁丸等)；国产/进口抛光材料(抛光腊、布轮、麻轮、尼龙轮、抛光粉、抛光布、抛光液、KOYO抛磨系列等)；研磨耗材(研磨石、研磨液、光亮剂、润滑剂、平面研磨液、精磨液等)；打磨拉丝材料(打磨片、抛磨片、尼龙辊、尼龙轮、砂纸砂带、百洁布、飞翼轮等)；清洗材料(除蜡水、除锈剂、防锈剂、除油粉、乙丙醇等)以及其它相关表面处理耗材，是日本光阳社KOYO系列抛磨产品中国华南总代理。，代理的其它品牌有日本创研，日本福吉米，日本野牛，日本日研，日本理研，德国名仕，德国赫美斯，美国3M，美国MAXI-BLAST，法国圣戈班，韩国鹿牌等。

If you are a manufacturer, we can save costs for you. If You are a trader, we can create the largest profit space for you.The main business is to deal with a variety of surface materials, including the sand material for blasting (iron grits, ceramic sand, plastic sand etc), polishing material (polishing wax, cloth wheels, polishing powder, polishing liquid, KOYO series),grinding materials (grinding stone, grinding media , brightener),drawing series, cleaning materials (the liquid for removing wax, rust removing, powder for removing oil). we are the distributor of Japan KOYO polishing products in South China,also distribute the other famous brand in the field of surface treatment, such as Japan FUJIMI, RIKEN, NIKKEN,SOKEN,Germany MENZERNA, AMERICAN 3M, AMERICAN MAXI-BLAST, Saint-Gobain of France, South Korea DEER.

主要产品有各种喷涂砂材(铁砂、陶瓷砂、玻璃砂、棕刚玉、金刚砂、白刚玉、塑胶砂、石榴砂、核桃砂、碳化硅、不锈钢丸、钢砂、铸铁丸等)；国产/进口抛光材料(抛光腊、布轮、麻轮、尼龙轮、抛光粉、抛光布、抛光液、KOYO抛磨系列等)；研磨耗材(研磨石、研磨液、光亮剂、润滑剂、平面研磨液、精磨液等)；打磨拉丝材料(打磨片、抛磨片、尼龙辊、尼龙轮、砂纸砂带、百洁布、飞翼轮等)；清洗材料(除蜡水、除锈剂、防锈剂、除油粉、乙丙醇等)以及其它相关表面处理耗材，是日本光阳社KOYO系列抛磨产品中国华南总代理。，代理的其它品牌有日本创研，日本福吉米，日本野牛，日本日研，日本理研，德国名仕，德国赫美斯，美国3M，美国MAXI-BLAST，法国圣戈班，韩国鹿牌等。

The decreased threshold shear velocity and unsaturated sand flows at the stoss slope of the dunes resulted the erosion at the toe of the dune. Under the medium and low drifting-sand winds the sands being transported have divergence with that on the surface, the mean grain size of transported sands is lower than that on the surface and the sand transporting is a stochastic process.

起动剪切速度减小与不饱和风沙流是沙物质在横向沙丘迎风坡坡脚不能产生沉积的主要原因；再者，平均风速并不能完全反映野外实际状态下气流的性质，在低－中强度的风沙活动过程中，被输送的沙物质的粒度组成与下垫面物质有明显的差异。

The majority of the observed abnormal casing pressures can be related to the Siph 110 sand, which is an undepleted sand about 1200 feet above the Siph 120 sand, typically in the 7" or 9" casing interval.

观察到的异常套管压力可能与大多数的Siph110砂，大约是1200以上Siph120沙子，脚一undepleted沙子一般在7&或9&套管间隔。

On sand packs consisting of 100 cm~3 quartz of particle size 0.3—0.6 mm, 2 mL kerosene, 1 mL produced water and several drops of isopropyl alcohol, the formulation of LFAR sand consolidation fluid is studied on the basis of the experimental data of compression strength and permeability of the consolidated sand packs and established as follows: 5.0 g LFAR; 0.5 g paratoluene sulfonic acid as curing agent; 5.0 g butyl acet...

在由100cm3粒径0.3～0.6mm的石英砂、2mL煤油、1mL油田污水、几滴异丙醇组成的固砂模型上，根据固结砂的抗压强度和渗透率筛选出了糠醇聚合物固砂剂各组分的用量：糠醇聚合物5g，固化剂对甲苯磺酸0.5g，稀释剂醋酸丁酯5g，后固化剂NaCl+HCl溶液100mL，预冲洗液80mL，后冲洗液80mL。

Bury one's head in the sand→ head-in-sand:"Don't be so foolish as to adopt a head-in-sand attitude."

作者： 狗狗小白和他的心 2005年12月16日，星期五 13：25 回复（0）|引用（0）加入博采

It works by choosing appropriate gravel, scree, talus decries, coarse sand, medium sand, then ram them to be closely knitted. The sand gravel cushion can increase the bearing capacity of weak groundwork.

这种垫层法是用碎石、卵石、角砾、圆砾、砾砂、粗砂、中砂或石屑等坚硬、较粗粒径的回填材料，经合理级配并夯压密实后形成持力垫层，其主要目的是为了提高浅层软弱地基或不均匀地基的承载力。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。