查询词典 sand paper

Based on analysis of the current development of sand and wind in Zhangjiakou and Chengde regions,the paper puts forward some sug- gestion in preventing sand in the work,according to the condition of nature,geography and society economy on different type areas in Hebei Prov- ince,such as the model of control sand.

在分析张家口、承德地区风沙形成原因及发展趋势的基础上，提出了河北省防沙治沙工作中存在的问题，根据河北省不同类型区的自然、地理及社会经济条件，提出了风沙治理模式和建议。

At first, this paper conducts in depth research on classification method, compaction propeties, granulometric composition and crushing of stone. On the basis of clarifying engineering characteristics of material of rock-filling embankment, requirements of ground treatment have been put forword in this paper. Then combined with the site test and engineering practice in SHUINAN Road and LANLIN Road, through the synthetical analysis of factors of influencing densification effect for the maximum grain size of filling material, lay-down thickness, granulometric composition, densification machinery and densification frequency etc., this paper studies key technical problems about construction technologies for spreading and leveling of filling material, choosing densification machinery, densification technology and slope construction systematically. Finally, construction technologies of filling lime-stone and sand-stone roadbed have been proposed in this paper ,which are significant for quality guarantee of highway engineering.

本文首先从石料的分类方法、压实特性、粒径组成以及破碎性等方面进行研究，在明确填石路基填料的工程特性基础上，进而提出了填石路基的地基处理要求，然后结合广西水南路和甘肃兰临路填石路基试验路段上的现场研究，通过对填石路基填料最大粒径、松铺厚度、粒径组成，压实机械以及碾压遍数等影响压实效果因素的综合分析，系统研究了填石路基填料的摊铺与整平技术、压实机械选型技术、压实工艺以及边坡施工技术等施工工艺中的关键问题，最后提出石灰岩类和砂岩类填石路基的施工工艺要求。

Natural sand and gravel is plentiful in our country, but in most time it is used in sub-base. In order to make use of the resource and control the cost, The paper introduced lime-ash fly stabilized sand and gravel and cement stabilized sand and gravel which are used in base of second road asphalt pavement.

我国天然砂砾蕴藏丰富，但多用于底基层和垫层，为充分利用资源、控制成本，本文对天然砂砾在二级公路沥青路面二灰砂砾和水泥稳定砂砾基层的应用进行了研究。

Introductions in the paper includes structure design features of low-section sand tire, inner tube, Liner, analysed result of imported sand tire and the re-sults of home-made Sand tire used inside room and in practice, feature and testingre-sults discussed at same time.

介绍了低断面沙漠轮胎外胎、内胎、垫带的结构设计特点，进口沙漠轮胎剖析结果，国产沙漠轮胎的室内及实际使用结果，并对这些特点和试验结果进行了讨论。

The paper expounds systematically the strengthening mechanism,design calculations,construction process,quality control and quality inspection during cohesionless soil subgrade treatment by vibrating sunken tube sand pile,based on the practical application of vibrating sunken tube sand pile in sand-wash-and-filling subgrade treatment of Ganjiang Nanda Road.

结合振动沉管砂桩在赣江南大道冲填砂路基处理中的应用实践，系统地阐述振动沉管砂桩在砂性土地基处理中的加固机理、设计计算、施工工艺、质量控制及质量检验。

In this paper, on full automatic production condition, parameters of on-line sand testing system and double-disk cooler were optimized, and moulding-sand parameters of clay content, permeability, compactibility, and so on, were adjusted and optimized, and moulding-sand property parameters' control on full automatic production condition was also involved. The results can supply some reference for other similar production.

本文着重介绍了全自动生产条件下在线型砂性能检测控制仪、双盘冷却器控制参数的优化，结合生产铸件对型砂性能的实际要求，对型砂含泥量、透气性、紧实率等参数进行的调整和优化，以及全自动生产条件下砂处理工艺参数的控制范围和控制方法，本文可为相似生产条件下砂处理系统的调试和型砂性能控制提供一些参考。

This paper analysis the form condition of running sand, combine with the mechanics pump drainage, based on the seep theory and function with sand, analysis the accelerate effect on being running sand, propose some advices to prevent it finally.

通过分析流砂的形成条件，结合泵排水法的作用机理，基于地下水渗流理论和砂体的作用，分析了其对流砂形成的加速效应，提出了针对泵排法的特有的防治原则和措施。

Through simulations on abated effect of nylon and plastic nets with different structure on wind-blown sand in wind tunnel, the aim of this paper is to provide a theoretic base for optimized design of blown sand engineering in the field and a new sand-defending material application.

通过不同结构的尼龙网和塑料网对风沙流减弱作用的风洞实验研究，旨在为探求各种防沙新材料的防护功能，并为防沙新材料的开发、野外工程防沙的优化设计及其应用提供理论依据。

By analysing the characteristics of wind-blown sand physical mechanics,the paper determined the maximum dry density of wind-blown sand ,the construction method and quality control method of wind-blown sand subgrade.

通过对风积沙物理力学特性的分析，确定风积沙的最大干密度和风积沙路基的施工方法及质量控制办法。

In order to avoid the unfavoured factors of sand control and draining sand for oil recovery,the method of finite draining sand for oil recovery in viscous crude is proposed in this paper.

为了避免防砂与排砂采油的不利因素，充分利用二者的有利因素，在现场试验和理论分析的基础上，提出了&稠油有限排砂采油&开采方式。

I will endeavour to find you some assistance.

我尽力帮你找人帮忙。

At first I only know bruck is the idol of American younglings, afterwards I returned back to Taiwan ,even in Beijing last year ,I saw her poster everywhere, I was so surprised at her charm.

起初我只晓得布鲁克雷德丝是美国少男少女崇拜的偶像，后来回台湾，甚至去年在北京，居然也四处看见她的海报，才惊讶她的魅力之大。