Lead deposits, which accumulated in soil and snow during the 1960s and '70s, were primarily the result of leaded gasoline emissions originating in the United States.
在二十世纪六七十年代,铅沉积就在土壤和雪中不断累积,这主要是美国的含铅汽油排放的后果。
Printed with approved non-leaded inks.
用不含铅的油墨印刷;
Axial Leaded, Hermetically Sealed, 1.5 WATT Voltage Regulators.
描述:轴向引线式,密封式,1. 5瓦稳压器。
The tiny cottage with its leaded Windows and thatched roof was as pretty as a picture.
这家有铅条窗户、草盖屋顶的小农舍美丽如画。
Levying a tax on leaded gasoline is an important policy to implement the use of unleaded gasoline.
征收含铅汽油税是实行汽油无铅化的一项重要政策。
Lead has been banned more widely from gasoline — with only a handful of nations still using leaded fuel.
铅已经广泛地禁止添加到汽油中——只有极少数几个国家还在使用含铅汽油。
One imagines sunlight falling through leaded windows on aface lost in contemplation, as in the Vermeers.
你可以想像到,阳光透过铅化玻璃照在一张陷入沉思的脸上,正如维梅尔画中的形象。
Product shape can be customized according to customer requirements: leaded package types, metal wrapper classes.
产品外形可以根据客户要求订做:引线封装类、金属外壳封装类。
Their narrations have actually leaded to the oppugning of scientific validity of translation studies and episteme.
她们的叙述事实上构成了对翻译研究与认识型在学术有效性上的质疑。
One of the first things we did when we moved in, to the chagrin of the architect, was to replace the leaded Windows.
让建筑师大为懊恼的是,我们搬进去最先做的事情之一就是换掉了花饰铅条窗。
The quasi-superplasticity of leaded brass for bearing cage was investigated through the constant velocity tensile test.
通过恒速拉伸试验,对一种生产保持架用铅黄铜的准超塑性进行研究。
It is indicated that as-cast leaded brass without pretreatment can present certain superplasticity at proper condition.
结果表明:此种不经预处理的铸态铅黄铜,在适当条件下具有一定的超塑性。
The Swing Blade pencil sharpener, though not the fastest way to sharpen your pencil, is ideal for soft-leaded and color pencils.
平旋刀片卷笔刀虽然不是最快的卷笔刀,但却很适合削软头的彩色铅笔。
The dangerous value of control parameter which leaded to surf-riding and the domain of periodic motion and surf-riding were given.
给出了导致骑浪发生的危险临界参数值,以及周期运动和骑浪运动区域划分。
Methyl tert-butyl ether (MTBE) is widely used as an addictive in unleaded gasoline to curb the air pollution caused by leaded gasoline.
甲基叔丁基醚(MTBE)作为一种新型的无铅汽油添加剂被广泛应用以减少含铅汽油对空气的污染。
These leaded the people's mediation system increasingly incompatible, and facing many problems, which can not give full play to its role.
对此,人民调解制度日益显得不相适应,面临许多问题,致使其不能充分发挥作用。
Analysis of boundary layer fluxes shows that the amount of latent heat flux leaded to differ the Khanun's horizontal and vertical structure.
边界层方案的差异也导致台风动力和热力结构在水平和垂直分布上都出现显著差异。
New vehicles are equipped with electronic injection technology instead of carburators. Clean fuel will replace non-leaded gasoline gradually.
汽车告别了化油器,进入了电喷时期,车用汽油也必须由无铅化向清洁化迈进。
Lead and its compounds may be found in products such as batteries, lead - based paints, lead - containing ceramics, lead solder and leaded petrol.
铅及其化合物可使用于电池油漆陶瓷铅锡焊接及汽油的添加剂上。
Only the finest leaded crystal is dainty and resonant enough to break at volumes that some people can produce without amplification—upward of 100 decibels.
只有适合且可以引起共振的最精细的铅晶质,可以在有些人的不增加音高的声音作用下破裂——声高在100分贝以上。
Objective: to inquire into the ultrasonic display of different causes that leaded to delayed graft function (DGF) of patients with kidney transplantation.
目的:探讨尸肾移植后肾功能延迟恢复不同病因的超声表现。
The results showed that the shortage of control resources leaded to the failure of suppressing the active characterization in memory and the reversal of NP.
结果发现,控制性资源的不足会导致对高活跃干扰项记忆表征的压制失败而出现负启动的反转;
Being a novel functional material, the ferroelectric cathode materials were studied well with the leaded materials for their high electron emission density.
铁电阴极材料,作为一种新型的功能材料,以其高的发射电流密度等优点而受到重视。
In the present review the advance of theoretical studies on the spin frustration leaded from competing magnetic coupling interactions is briefly summarized.
简要地介绍多核配合物磁耦合竞争自旋阻挫的理论研究进展。
In those cases where leaded frits seem necessary, it is recommended to fire to at least cone 03, to ensure sufficient reaction of lead and glaze ingredients.
在那些含铅玻璃料似乎必不可少的情形下,建议至少在03锥级下烧制釉料,以确保铅与釉料中的成分反应充分。
The European Environmental Agency has pushed for more studies, saying cell phones could be as big a public health risk as smoking, asbestos and leaded gasoline.
欧洲环境组织敦促了更多研究,表明手机可能如吸烟,石棉和含铅汽油一样是巨大的公共健康威胁。
The results of durability experiments of acetylene hydrogenation showed that the deposit of oligomer on the surface of catalysts leaded to catalysts deactivation.
催化剂的乙炔加氢稳定性测试结果表明,聚合物在非晶态合金表面沉积,导致催化剂活性下降。
The results of durability experiments of acetylene hydrogenation showed that the deposit of oligomer on the surface of catalysts leaded to catalysts deactivation.
催化剂的乙炔加氢稳定性测试结果表明,聚合物在非晶态合金表面沉积,导致催化剂活性下降。
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