fluorine的例句大全

Objective To study the effect of food fluorine on human health in fulfilled water improving fluorosis area, and to explore the countermeasure of controling the total intake of fluorine.

目的研究改水后食物氟对人群健康的影响，探讨控制总摄氟量的措施。

Objective To assess effectiveness of ion selective electrode method for fluorine detection.

目的研究用氟离子电极法测定生物体（鱼肉）中的氟，探讨氟检测的适用方法。

Study on the total amount of daily intake and excreted fluorine for dairy cattle in Wuhan region

武汉地区乳牛日摄氟总量及排泄总量的研究

The Time Characteristic of XeF UV Emission Spectrum Excited by Discharge without Additional Fluorine Donor

无外加氟施主放电激发XeF发射谱的时间特性

Roles of fluorine in sulfided niw/ γ Al 2O 3 Catalysts

F在硫化态NiW/γ-Al2O3催化剂中的作用

This article introduces the application and effect of fluorine surfactant in oil-proof paper.

摘要本文介绍了氟表面活性剂在防油纸中的应用和使用效果.

The first observations of fluorine came from the 1500s, with a German mineralogist who described it as a material that served to lower the melting point of ore. In 1670, a glassworker accidentally found that fluorspar and acids would react and used the reaction to etch glass.

16世纪一位德国矿物学家开始研究氟，并把它描述为一种能降低矿石熔点的物质。1670年，一个玻璃厂工人偶然发现氟石和酸性物质能够发生化学反应，并将这一发现用于蚀刻玻璃。

In the paper, the test results about fluorine retention in the alkaline-earth metal compounds combustion were studied to develop high-efficient fluoride retention additive.

为了开发高效燃烧固氟剂，通过实验研究了碱土金属化合物的燃烧固氟效果。

Primary Study of the Effect of Brickfield Fluorine Pollution on Environment and Health

砖厂含氟废气对环境污染与健康的影响

A spraying empty tower is adopted to absorb the fluorine in waste gas, its efficiency is high, heat removal is considerable and the fluorine content in vent gas is lower than that required by GBJ 473 Standard.

采用空塔喷淋吸收气体中的氟，吸收效率高，散热好，排放尾气中的氟含量低于GBJ473标准。

But overdose fluorine can cause skeletal damage, which lesion fairly complicated. There are only osteosclerosis, ossifying around the bone, but osteomalacia, osteoporosis.

但过量氟会引起骨骼的损伤，其病变较复杂，既有骨硬化、骨周化骨，又有骨软化、骨质疏松。

Finally, the fluorine chemical industry construction project environment risk prevention measures and contingency plans.

最后提出了氟化工建设项目中的环境风险防范措施及应急预案。

The formation of snowball texture was closely related to the Na 2O/ K 2O ratio as well as the fluorine and H 2O content of the granitic melt.

雪球结构形成与否主要与岩浆熔体中Na2O/K2O比值和F、H2O含量有关。

The main ways of improving cold resistance of fluorine rubber were presented from the molecular structure and system compounding.

从分子结构和配合体系两方面介绍了提高氟橡胶耐寒性的主要途径。

It has an important direction in fluorine monitoring for check and accept for aluminum plant project.

对于该项目监测工作具有很强的指导作用.

taking a shower with fluorine water has certain curative effect to chronic gastric ulcer.

温泉水属硅酸重碳酸钠型,并含丰富的对人体有益的微量元素.

But that each individual fluorine atom has eight electrons, or full octet around it.

但是每个氟原子现在都有八个电子，或者说周围有一个填满的八隅体。

Investigation on the Causes of High Fluorine Content in Brick Tea

砖茶高氟的原因调查

Dynamic observation of EKG in fluorine exposed workers for ten years

120例氟接触工人心电图十年动态观察与分析

Effects of Soil Development on the Fluorine Contents in the Soil and Tea Leaf

茶园土壤发育度与土壤及茶叶含氟量的关系