查询词典 sand-blind

The quick setting and rapid hardening sand-cast cement is a new type of excellentinorganic binder for foundry molding sand.

欢快型砂水泥具有常温下凝结硬化快，高温下残留强度低，凝结时间可在一定范围内用缓凝剂调节等特性，所以是一种粘结铸造用砂的新型无机粘结剂。

Sand control is the most difficult issue faced by operation of the unconsolidated sand reservoirs .

油气井出砂是疏松砂岩油气藏开采的主要矛盾，传统的防砂技术在防砂的同时影响了油气井产能，并且防细粉砂的效果也不理想。

A physical model, consisted of a tank with five types of unscreened sediments involving gravel, medium sand, fine sand, silt, and clay, was constructed at a pilot scale in the laboratory.

石油烃污染地下水是一个普遍而严重的环境问题。

Influences of different duration of oscillation,pH value,initial concentration of uranyl ion and particle size of sand on adsorption of uranyl ion on sand were studied.

应用简单土壤类似物——沙粒，模拟UO22+污染土壤的过程，研究不同振荡时间、不同pH值介质、不同初始ρ(UO22+)及粒径条件对UO22+吸附的影响。

Some have referred this to the reflection of the verdure, but it is equally green there against the railroad sand-bank, and in the spring, before the leaves are expanded, and it may be simply the result of the prevailing blue mixed with the yellow of the sand.

有人认为这是由于草木的倒影，但在铁路沙岸边也有着同样的绿色，在春天之际，树叶还没有伸展开来之时，这种绿色可能仅仅是湖水的蓝色和沙子的黄色混在一起的结果。

The paper introduces technologic features and confecting conditions of ester vulcanize water glass sand,discusses the importance and effect on improving quality and production efficiency of the products for application of ester vulcanize water glass sand in production of valve steel castings .

论述了在阀门铸钢件生产中，应用酯硬化水玻璃砂对提高产品质量和生产效率的重要作

On the basis of studying the composition of composition golden mine remnant sand mineral and chemical composition,this paper introduces the technology of manufacturing wall and floor tiles with the golden mine remnant sand.

本文在研究金矿尾砂矿物组成和化学成份的基础上，利用金矿尾砂制备墙地砖坯体，经实验证明金矿尾砂可代替长石作为墙地砖坯用原料，用量可达40%～50%，实现变废为宝，经济效益明显。

It is recycling machine for machine with acentric dry method, flts for recyclingresin bonded sand and used sand.

该机是机械离心干法再生装置，主要用于树脂砂旧砂的再生。

It is recycling machine for machine with acentric dry method, fits for recycling resin bonded sand and used sand.

该机是机械离心干法再生装置，主要用于树脂砂旧砂的再生。

Chinese territory North begin Mo river at North Heilongjiang river's center (North latitude 53°30 ′). South to South sand archipelago Grandmother dark sand (North latitude 4°), Bestraddle latitude long of 49°. East begin Heilongjiang and Wusuli place of converge (East longitude 135°05 ′). West to Pamirs (East longitude 73°40′), bestraddle longitude long of 60°.

中国领土北起漠河以北的黑龙江江心(北纬53°30′)，南到南沙群岛南端的曾母暗沙(北纬4°)，跨纬度49度多；东起黑龙江与乌苏里江汇合处(东经135°05′)，西到帕米尔高原(东经73°40′)，跨经度60多度。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。