您要查找的是不是：
- The application of lead salt in the cyanide leaching operation can produce microcell in the surface of gold grain. 氰化作业中应用铅盐可在金粒表面形成微电池,对于纯金颗粒这原电池可促进金的溶解。
- Microbe pretreatment is a high effective way of dealing with such an unleachable gold ore.It's through microbe catalysis to dissolve metal sulfide which contain gold grain then make gold exposure. 微生物氧化预处理是一种卓有成效的处理这种难浸金矿石的方法,它通过微生物的催化作用,使那些包裹金颗粒的金属硫化物溶解,达到暴露金的目的。
- For example,we can separate the denser gold grains form small pieces of rock by panning. 例如，我们能通过平绒分开较稠密的黄金粒形式小的块的岩石。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- The gold was glinting in the sunlight. 金子在阳光下闪闪发光。
- The grain crop has gone down this year. 今年的粮食作物产量下降了。
- Metals that are found in the form of elements in nature can be extracted by using physical methods.For example,we can separate the denser gold grains form small pieces of rock by panning. 本质上以元素的形式被找到的金属能被使用物理的方法提龋例如，我们能通过平绒分开较稠密的黄金粒形式小的块的岩石。
- She had the sapphire set in a gold ring. 她把那枚蓝宝石镶在金戒指上了。
- The company is an international trader in grain. 这家公司是国际粮食贸易公司。
- Their speculative buying of grain is illegal. 他们投机购买谷物是不合法的。
- Bad luck goes against the grain. 厄运总是令人讨厌的。
- Stores of grain are frequently attacked by pests. 储存的谷物经常受到害虫的破坏。
- A reliable car is worth its weight in gold. 靠得住的汽车就是无价之宝。
- Our grain output will be3.7 times that of1960. 我们的粮食产量将是1960年的3。7倍。
- She has a gold chain about her neck. 她在脖子的周围挂着一根金项链。
- It possessed rich mineral deposits, including gold. 它拥有丰富的矿藏，包括黄金。
- Gold prices on Western markets jumped. 西方市场上的黄金价格暴涨。
- A bin for storing ore, grain, or other materials. 仓库储放矿石、谷物或其它材料的大箱
- A single grain of a cereal plant. 谷粒禾谷类作物的一个颗粒
- That country came off the gold standard long ago. 那个国家好久之前就放弃金本位制了。
