查询词典 sand blaster

The reactivities of SiO〓 on sand surface in different solvents were studied and characterized by fractal theory quantitatively.

2用分形学定量表征了超声空化对天然河沙中SiO〓在不同溶剂中表面反应能力的影响。

Both sand bodies may have superficial resemblances in that both are narrow, linear , and deposited by a river.

两种砂岩体在表面上有相似性，如它们都是河流沉积的狭窄的线状砂体。

The lubricants of casting mold used in green sand transfer coating were investigated under impact pressure casting.

在气冲造型条件下对粘土砂转移涂料的脱模剂进行了研究。

Development of new process technologies can be of interest from manufacturing cost point of view. The current study assesses the feasibility of using green sand mold to cast AZ91 magnesium alloy.

本研究尝试以湿砂模法浇铸AZ91镁合金，由於湿模砂中含有水气，是必须添加抑制剂避免浇铸过程中，镁合金熔汤与湿模砂的水气反应产生氧化镁渣质及氢气。

Vehicles Beijing steel plant foundry workshop to improve the squad LI Jin-chun coupler joist The technology for green mold, for the year 9000 yuan to save the country's water glass sand.

北京二七车辆厂铸钢车间翻砂班长李金春改进车钩托梁作的坯模工艺，一年为国家节约9000元的水玻璃砂。

The additive of correcting metal penetration for green sand mold casting,made from the waste of oil further fabricated——namely DK material,is researched in this paper.

研制了利用植物油深加工后的废料———DK材料作为铸造用湿型砂防粘砂添加剂。

Inhibitors are added in the green sand mold to avoid the moisture from reacting with the magnesium melt, resulting in forming magnesia slag and hydrogen formation.

故而本实验将比较使用不同的抑制剂，包括十二烷基磺酸钠、硼酸、硫磺、与氟硼酸钾等对於AZ91镁合金铸件外观之研究。

As usual, they were having a great time building sandcastles and burying each other in the sand.

如同往常一样，他们开心地堆著沙堡，并互相把对方埋在沙子里。

They love playing in the sand and like most kids, building sandcastles but especially knocking them down.

他们喜欢打沙象大多数孩子，堆沙，但特别敲下来。

Making Sandcastles A little boy is on his knees scooping and packing the sand with plastic shovels into a bright blue bucket.

堆沙堡 男孩跪在那儿用塑料铲挖沙子，并把沙子装在一个鲜艳的蓝桶里。

Methods Clinical data of 3 cases of bile duct injury during laparoscopic cholecystectomy were analyzed retrospectively.

回顾总结3例LC术中胆管损伤的临床资料，分析3例胆管损伤的原因及对策。

These techniques are applied to the gobang.

本文将这些技术用于五子棋中。