氟中毒

Objective To study the protective effects of selenium on fluorosis associated with brick tea.

目的 探讨硒对饮茶型氟中毒鼠抗氟能力和骨的保护作用。

The clay used for coal combustions is the main fluorine source of the endemic fluorosis. In addition to occurring in apatite and hornblende, fluorine is closely related to the adsorption of illite and mixed-layer clay minerals of smectite and illite.

氟中毒的氟源主要来自拌煤黏土，氟在拌煤黏土中除了以磷灰石、角闪石形式存在外，与伊蒙混层矿物和伊利石的吸附密切相关。

An abnormal condition caused by excessive intake of fluorine, as from fluoridated drinking water, characterized chiefly by mottling of the teeth.

氟中毒由于过量摄入氟而导致牙齿产生色斑的不正常状况，如饮用氟化的水

Besides the technologies of fluorine fixation and decreation, changes in the living habits of the residents, for example, the chili washed by water, the corn husked before it was processed into corn powder, will remove a certain content of fluorine absorbed on the corn husk and will play a important role in endemic fluorosis prevention.

除了采用固氟技术以外，病区居民改变生活习惯，在食用辣椒前用清水淘洗，把玉米粒加工成玉米面前进行脱皮处理，可以除去食物表面相当一部分氟，对预防地方病氟中毒有重要作用。

Daba Mountains is exposed with multi geological strata. Moreover, it is one of the two selenosis areas in China as well as an area with high incidence of endemic fluorosis.

大巴山区是地质地层复杂区，同时也是国内已确认的两个硒中毒区之一和燃煤污染型氟中毒的高发区。

There was no difference in the occurrence of fluorotic tooth and the density of bone trabecula between the rat groups of brick tea induced fluorosis and sodium fluorides.

高硒可以降低氟化钠组大鼠的血氟浓度，但不能明显减轻大鼠氟中毒的病理损伤。

Bone damage can be induced in rats fed with calcium-deficiency diet and fluoridized water in short term, with decreased calcium content, and the changes of chemical element in bone participate in the pathogenesis of fluorosis, and this suggestes that multiple factor is involved in the development of fluorosis.

染氟和低钙可导致大鼠骨损伤，骨中化学元素的改变参与了氟中毒的发病机制，说明氟骨症的形成是多因素作用的结果。

Order to understand the city Effects of disease area health education and promotion of the 10 districts and counties under the city ward different types of students and residents of the Effects of health education to a questionnaire Investigation, prevention and treatment for the Chongqing Municipal Coal fluorosis to provide a scientific basis.

为了解我市地氟病病区健康教育宣传的情况，对我市10个区县根据不同病区类型进行了学生和居民的地氟病健康教育知识进行了问卷调查，为防治重庆市燃煤型氟中毒提供科学依据。

Of,relating to,or being one of the pointed conical teeth located between the incisors and the first bicuspids.

氟中毒由于过量摄入氟而导致牙齿产生色斑的不正常状况，如饮用氟化的水

Higher incidences of peripheral neuritis and cardiovascular .

并发现本组病例周围神经炎及心血管改变较单纯慢性砷中毒或单纯氟中毒的发生率为高。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐