查询词典 lead

A review with 20 references is given on the general status of lead contamination in tea leaves and points out that lead superscale is a severe problem in our country at present.

介绍了我国茶叶中铅污染的大致情况，指出我国茶叶中的铅超标问题是一个不争的事实。

The content of lead in lateral branch was more three times than that in other part of tea plant, and the lead content of young leaf in immature tea plant was higher than that in mature one.

同时茶树各部位铅含量与土壤铅含量的相关性分析的结果表明，茶树根与土壤中的铅含量相关性最为显著，其次为叶，再次为茎。

Fighting his way back from sixth at turn one of the German GP, Lorenzo joined the tail of the four-man lead group at the end of the opening lap, then progressed past Dani Pedrosa, Casey Stoner and finally Rossi to take the lead with five laps to go.

回顾洛伦佐的德国GP，他在第六圈加入到了在起始圈就形成的第一集团的尾部，然后超越了丹尼佩特罗萨，凯西斯托那最后超越了罗西，并在领跑了之后的5圈。

Obviously ,I'm a lead-swinger,I certainly give my support to all the lead-swingers ,such as watch video ,shopping on line ,surf the n...

本来打算把最后的50分送给你的，对你的努力表示肯定，但是今天来一看，分已经被系统吃了。

The results show that the torsion energy and van der Waals interaction energy are the main types of energy and the substitution group has a great effect on the total energy of molecular. The aliphatic substitution would lead to the increase of total energy, while the aromatic substitution would lead to the decrease of total energy. The calculated results of bond length show that the bond length of aliphatic C—C is longer than that of aromatic C—C, which indicates that the rupture of aliphatic C—C is easier than that of aromatic C—C on heating.

研究结果表明，扭转能和范德华能是分子中的主要作用力，取代基对体系能量有明显影响，烷基取代基使体系能量增加，而苯基取代基使体系能量降低；脂肪C—C键长比芳香C—C键长长，说明脂肪C—C在受热过程中比芳香C—C更容易断裂分解。

Due to transportation and other infrastructure construction accelerated, 2003 Beijing real estate market will highlight such a trend : the distance will lead to the weakening of the regional differences and characteristics of the products will lead to the strengthening of regional differences.

由于交通等基础设施建设的加快，2003年北京房地产市场将凸显这样一个趋势：由距离导致的区域差异将弱化，而由产品特征导致的区域差异将加强。

Stairs lead up to first floor and spiral stairs lead down to basement bedroom.

楼梯通向第一层，而盘梯通向地下卧室。

"Lead 铅",33,Lead in solders for the soldering of thin copper wires of 100 μm diameter and less in power transformers.

EC 涉及电源变压器中直径100微米及以下细铜线所用焊料中的铅

Sichuan Nico State-run New Materials Co., Ltd.- to lithium, cobalt, copper, nickel, lead, zinc, molybdenum, silver mining, elections, Metallurgical, chemical-based industry. In Sichuan, Jiangxi, Tibet, Qinghai and other places have a more than mine and smelting plant, is an important lithium, cobalt, copper, nickel integrated production base. The corporation has an annual production capacity of 3,000 tons of lithium hydroxide, lithium carbonate 2000 tons, 1,500 tons of electrolytic nickel, copper and electrical copper 5000 tons, 500 tons of lithium cobalt oxide, cobalt and cobalt board 500 tons of salt, lead and zinc concentrate, 20,000 tons, MOLYBDENUM 1200 tons, 26 tons of silver production scale, product widely used in petrochemical, aerospace, automotive industry, high-energy batteries, pharmaceuticals, ceramics, aluminum and other industries areas, in national economic development plays an important role in promoting.

公司业已形成年产氢氧化锂3000吨、碳酸锂2000吨、电解镍1500吨、铜粉及电铜5000吨、钴酸锂500吨、钴板及钴盐500吨、铅锌精矿20000吨、钼精矿1200吨、白银26吨的生产规模，产品广泛应用于石油化工、航空航天、汽车工业、高能电池、医药、陶瓷、炼铝等行业领域，在国民经济发展中起着重要推动作用。

Comprehensive recovery of gold ; silver ; copper and lead ; oxidation leaching copper in ammonia solution ; leaching lead with nitric acid ; leaching gold and silver with cyanide

中国科学院化工冶金研究所；黄金， GOLD ，编辑部邮箱 1997年 05期综合回收金、银、铜、铅；氧化氨浸脱铜；硝酸脱铅；氰化提取金银

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。