而明年美国将实行低铅，甚至是无铅的标准。
The next American will be low lead, even lead-free standards.
它的稳定性特佳，特别用在含低铅及硼的釉料中。
It is very stable, particularly in glazes with a low lead and boron content.
目的：观察长期低铅暴露对小鼠细胞免疫功能的影响。
Objective:To observe the effect of long term exposure to low level of lead on cellular immune function in mice.
目的研究长期暴露在低铅环境下对女工生殖机能健康状况的影响。
Objective To study the effect of exposure to low concentration of lead on female reproductive function.
目的探讨长期低铅染毒对大鼠内分泌脂质过氧化作用及超氧化歧化酶活性的影响。
Objective To observe effects of lipid peroxidation and superoxide dismutase of endocrine in rats chronically poisoned with low levels of lead.
所以，要生产优质、低氟、低铅的茯茶产品，应从适制茯茶的茶树品种选育工作开始。
Therefore, in order to produce high quality, low-fluorine, low lead Fuzhuan tea products, breeding should be put on the frist place.
通过查明金堆城钼矿床中铅的赋存状态、嵌布特征及在矿床中的分布规律等，为生产低铅钼精矿提共理论依据。
Through finding out the state and peculiarity and disciplinarian of lead distributed in Jinduicheng molybdenum ores, the academic basis of low-lead molybdenum concentrate produced was put forward.
海马组织一氧化氮测定，高铅对照组和低铅对照组海马一氧化氮，与空白组比较差异均有非常显著性（P< 0 .0 1） ；
The content of NO in hippocampus in the rats of lead controls was significantly decreased compared with that of the blank control ( P< 0.01).
结论长期低铅染毒对生长发育期小鼠学习能力有显著损伤，这种损伤可能与脑内NO含量、SOD活性下降、MDA含量升高有一定的相关性。
Conclusion Low lead exposure could significantly damage the capacity of learning and this damages may be related with the contents of NO, MDA and activity of SOD in mice's brain.
今年，镍和铅的可用库存量均已降至非常低的水平，这意味着，如果供应出现任何可能的中断，都可能对价格造成放大效应。
Both nickel and lead have seen available stocks shrink to critically low levels this year and this means that any possible disruption to supplies has had an amplified effect on prices.
铅的比热要低，只有0。03，这很低很低了。
铅会在相当低的温度下熔化。
随着频率增加，理想电容的电抗会接近零。然而，这是不可能的，市场上没有这样理想的电容。此外，铅和IC封装也会增加电感。应该用多个低esl 。
In addition, the lead and the IC package add inductance as well. Multiple capacitors with low ESL (Equivalent Series inductance) should be used to improve the decoupling effect.
铅熔化的温度比别的金属低。
Lead will fuse at a lower temperature than some other metals.
铅的熔点比其他一些金属低。
Lead will fuse at a lower temperature than some other metals.
本文报道一种低输出阻抗复合铅离子选择电极。
A new combination lead ion-selective electrode of low output resistance is reported.
目的探讨低熔点铅不规则档块技术在鼻咽癌放疗中的临床价值。
Objective To evaluate the radiotherapy effects on nasopharyngeal carcinoma with low-melting-point lead irregular shield technique.
采用铅硼硅熔决釉研制出同时符合普通粘土瓦坯的烧成温度低、热膨胀系数低这两个主要性能特点的釉料。
The color glaze of low firing temperature and low expansion coefficient, to match the glaze tile made from common clay, was prepared in lead borosilicate system.
正板栅用低锑合金，负板栅用铅钙合金的汽车用铅酸蓄电池，有时会出现早期容量衰减现象。
Automotive lead acid batteries using low Sb positive grids and Pb ca negative grids sometimes suffer from the phenomena of premature capacity loss (PCL).
从铅锑复合矿中综合回收产出的粗铜阳极含铜低，含铅银锑铋等杂质很高，无法采用常规电解方法电解。
The copper recovered from jamesonite concentrate contains too much impurities like lead, sliver, antimony and bismuth, and can't be refined with normal electrolysis process.
提出排铅奶粉是由海藻提取物经科学降解、处理，再配以低脂奶粉、糖、维生素等高营养物质加工而成。
The "Lead Excreting milk powder" is scientifically manufactured from the polysaccharide of seaweeds, milk-powder, vitamins, sugar and other superior nutrient materials.
与铅、锌锡有关的伴生银矿床的银金属储量占伴生银总量的89.55%全区大多数生产矿山伴生争回收率低，未能得到合理的利用。
The silver reserves of associated silver deposits in relation to lead, zinc and tin take 89.55 percent in associated silver total quantity.
针对某冶炼厂生产浮渣含硫低、含铜高的特点，提出了苏打—铅精矿反射炉熔炼新工艺。
A novel technology of soda-lead concentrates reverberatory furnace smelting is put forward according to the characteristics of copper dross with low sulfur and high copper content.
以银粉、低熔无铅玻璃和乙基纤维素松油醇溶液制备了无铅银导电浆料。
The lead free silver conducting pastes were prepared by using silver powder, lead free low-melting glass and terpineol ethyl cellulose solution.
结果证明，硼质釉料无毒、性能优良、成本低，完全可取代有毒的铅质釉。
Results of practice show that boron glaze is of high-performance, non-poisonous and low cost. So it is able to substitute for lead glaze.
概述了低熔点和高熔点型无铅焊膏的开发动向。
This paper describes the development trend of low melting point and high melting point type Lead-free solder paste.
2001年上半年，国际铅市走势要比年前公众预测的弱，铅价持续低走。
In early 2001, development of lead market was slower than that predicted before this year, and lead price continued to decrease in the world.
2001年上半年，国际铅市走势要比年前公众预测的弱，铅价持续低走。
In early 2001, development of lead market was slower than that predicted before this year, and lead price continued to decrease in the world.
应用推荐