最出名的高氟地区之一从土耳其延伸至伊拉克、伊朗、阿富汗、印度、泰国北部和中国。
One of the best known high fluoride areas extends from Turkey through Iraq, Iran, Afghanistan, India, northern Thailand and China.
查明高碘高氟病区的分布及其危害。
To explore the distribution of high iodine and fluorine areas.
目的探讨高氟对雄性大鼠生殖系统的影响。
Objective To study the effects of excessive fluorine on reproductive system of male rats.
长期饮用高氟水或摄取高氟食物会引起氟中毒症。
Drinking water of taking in food containing high fluorine by a long time can cause fluorine poisoning.
目的探讨高氟对雄性大鼠生殖系统的内分泌干扰作用。
Aim: To study the endocrine disruption effects of excessive fluorine on reproductive system of male rats.
高碘高氟是引起发病的原因,防治的根本措施是改水。
High iodine and fluorine is the main cause of morbidity, To improve the quality of water is a fundamental preventive method.
目的:探讨硒对高氟所致雄性大鼠生殖损害的拮抗作用。
Aim: to study the antagonism of selenium on male reproductive toxicity induced by excessive fluorine.
研究了选用经过特殊工艺处理的活性氧化铝作为高氟原水的除氟剂。
An activated aluminum oxide processed under a specific way was used as fluorine-removal agent for the treatment of fluorine-contained water.
目的进一步明确乌苏市高砷、高氟区分布范围,为防治工作提供科学依据。
Objective to deepen the depth and widen the range of the surveillance on the distribution of high arsenic and high fluoride in Wusu City thus to provide scientific basis for prevention.
再者它是外生矿床——高砷煤、高氟煤、高硫煤、高汞煤形成的主要原因。
Moreover, it is a main reason for the formation of some exogenic deposits like As-high, F-high, s-high or Hg-high coal.
该工艺的水处理费用较低,有可能为高氟水地区的饮水降氟提供一条新途径。
It can provide a new way for reducing fluorine in drinking water in the areas where the groundwater has high fluorine content.
近年来的一些研究表明,硒和维生素C的摄入能影响高氟诱导的脂质过氧化。
Some recent studies had shown that selenium and vitamin C intake could affect the fluorideinduced lipid peroxidation.
结果表明叶河流域存在程度不等的高氟、低碘区,致使地方性氟病和地方性甲状腺肿流行。
The results showed that there were some regions with different degrees of high fluorine and low iodine, so endemic goiter and endemic fluorosis diseases were epidemic.
高氟区人群男性血清LH和T水平与对照区人群比较差异无统计学意义(P>0.05)。
The serum level of LH and T in males from fluoride exposed area had no significant difference from those in control area (P>0.05).
目的观察高氟环境作业工人服用海尔福口服液前后血清生化指标的变化,以验证其防治效果。
Objective to confirm the preventive efficacy of Haierfu Oral Liquid on workers exposed to fluorine by observing serum biological changes before and after taking Haierfu Oral Liquid.
研制的回收装置的IDR工艺流程短,自动化程度高,产品质量稳定,满足高氟物料的回收要求。
The developed retrieving device has realised short IDR process, high automatization, stable product quality, and can satisfy the retrieving demand for high fluorine powder.
还有5.4%的工程在向病区居民供高氟水,全省仅有29.8%的改水降氟工程保持正常供水。
Additionally, 5.4% projects offered water containing excessive fluorine. In the whole province, only 29.8% water-improving projects worked normally.
结论:高氟低蛋白营养首先影响牙基质的发育,进一步影响矿化,从而使牙齿整体发育不良,过度磨损。
Conclusion: high fluoride and low nourishment would cause underdevelopment of tooth matrix firstly, then affect the calcification of matrix, finally deteriorate the quality of teeth.
本文就硒和维生素C对高氟诱导脂质过氧化的影响及其作用机制进行综述,并对进一步的研究提出展望。
Selenium and vitamin C on lipid peroxidation induced by fluoride and its mechanism were reviewed in this paper, and the further research was prospected.
方法现场检查高氟病区8 ~15岁儿童氟斑牙患病情况,氟斑牙诊断按我国临床氟斑牙诊断标准进行。
METHODS Clinic check for the dental health for children aged 8 ~ 15 with a national diagnosis standard and experimental test for fluoride for the drinking water.
宁夏东南部地区由于高氟地下水广泛分布,当地居民长期饮用高氟水导致地氟病发病率非常高,尤以盐池县为甚。
The local inhabitants had a high incidence of endemic fluorosis for drinking the high fluorine content groundwater that widely distributed in southeast of Ningxia, especially in Yanchi County.
通过该区太古界一新生界氟的地层地球化学剖面及岩浆岩和土壤中氟的丰度的研究,论证了该区为一高氟的地球化学区。
This region is demonstrated as a geochemical region with high fluorine through studies on the fluorine contents of soils, magmatic rocks and the Archean?Cenozoic strata geochemical profile.
观察了饮用高氟水及加硒大鼠的甲状腺组织结构和甲状腺激素变化。结果表明,早期甲状腺滤泡上皮细胞增生活跃、游离甲状腺激素水平显著升高;
Thyroid tissue structure and thyroid hormones of rats with drinking high fluoride(F) water and feeding selenium(Se)feed were observed to study the effects of high F and supplied Se on thyroid.
所以在每层材料放置好之后,氮氟化物就被泵进工作舱中并分散开来,释放出高活性的氟原子来清洁墙壁。
So after each layer is deposited, nitrogen fluoride is pumped into the chamber and is split to release highly reactive fluorine atoms that clean the walls.
没有比氟更适于此要求的了。 不过,OH、CN和CCH也都是带有高电子亲合性的小配体。
Of course, this requires a small electronegative coligand, of which F has no superior; but OH, CN, and CCH are also small ligands with high electron affinities.
它对氟离子的选择性比其它普通阴离子高几千倍。
It 'shows a thousandfold selectivity for fluoride over other common anions.
它还具有出众的美学效果、高抛光性、显著的氟缓释和再补充性、及高耐压强度和最佳弹性。
It also offers superior aesthetics, high polishability, significant fluoride release and recharge, high compressive strength, and ideal elasticity.
结论该法专属性强,灵敏度和准确度高,适合生物样品中氟西汀的测定。
CONCLUSIONS: the method is specific, sensitive and accurate, it is suitable for the assaying of fluoxetine in biological specimen.
氟虫腈悬浮剂是一种高活性的广谱杀虫剂。
结果表明该监测方法选择性好、准确度高、简便快捷,可作为饮用水及其他水质中氟含量的测定法。
The result shows that this method is simple and quick, high in selectivity and accuracy and can be used in the determination of fluoride content of drinking water and other water.
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