Itsuggests that detection of serum fluorine content might be a valuable...
这提示,血清氟含量测定对高氟区的溺死诊断是有价值的。
The influence of fluorine content and PVC to the properties of the coatings is studied.
研究了氟含量对涂层耐候性的影响及涂料的PVC对涂层性能的影响。
Lixiviation is chief geochemistry action to control fluorine content undergo very long geological age.
经过漫长地质年代的溶滤作用是控制深层地下水中氟含量的主要地球化学作用。
Zhuan tea contained more fluorine than other teas; and it was a research focus to reduce the fluorine content.
砖茶因大多存在氟含量偏高的问题而备受关注,如何降低砖茶中氟含量成为研究热点。
Fluorine transformation in soil-water-plant and animal system can be represented by soil soluble fluorine content.
土壤是固、液、气三相共存体,氟在土-水-植物、动物界面的转化可通过土壤水溶性氟含量表征。
The fluorine content in cleaned coal will be nearly same as its original matrix by two grade defluorination treatment.
用二级脱氟处理方法可使高纯煤中氟含量达到实际应用所允许的要求,接近原煤中的氟含量。
While higher fluorine content leads to the formation of stronger Brnsted acid site and Lewis acidity is also strengthened.
在氟含量较高时,生成了新的更强的B酸中心,且使得L酸酸性增强。
It can provide a new way for reducing fluorine in drinking water in the areas where the groundwater has high fluorine content.
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。
The experiment was carried out to analyze the water-soluble fluorine content in Laoshan green tea and its influencing factors.
通过采样分析,对崂山绿茶水溶性氟含量及其主要影响因素进行了研究。
Improving the water quality by reducing its fluorine content would be an effective method to control diseases caused by fluorine.
地方性氟病等是由于饮用含氟水引起的,改水降氟是控制地氟病的有效方法。
Children's dental fluorosis rates and children's urine fluorine content linearly with improvement of water of the length of extended to drop.
儿童氟斑牙患病率和儿童尿氟含量均随改水年限的延长呈下降趋势。
Soil fluorine, especially water-soluble in the soil, has closely associated with the fluorine content in plants, thus affects human welfare greatly.
土壤氟(特别是土壤水溶性氟)与植物体的氟含量密切相关,从而也与人体健康密切相关。
Fluorine content of tea was studied by fluorine ion selectivity electrode and the relative factors which make influence to fluorine extraction were researched.
应用氟离子选择性电极法对茶叶中氟含量进行了测定。同时,对影响茶叶中氟浸出的相关因素作了初步探讨。
The higher the fluorine content in the fluxes was and the longer the soak time of the fluxes in the water was, the more the fluorine would transfer into the water.
保护渣中氟含量越高,保护渣在水中的浸泡时间越长,渣中氟向水中的转移量就越多。
An ion chromatographic method was studied and established for measuring fluorine content in water, which shown high-resolution, high sensitivity and finer repeatability.
研究和建立了一个用于测定水中氟含量的高分辨、高灵敏和高重复性的离子色谱法,并辅以氟试剂-分光光度法进行了核实。
Occupational physical examination was carried out among the whole staff of this factory; urine samples of workers were collected and urine fluorine content was determined.
方法对全厂职工开展职业健康检查,同时收集职工尿样,进行尿氟含量测定。
The results show that tea trees can accumulate fluorine and fluorine content in extraction of tea is decided on the fluorine accumulation in tea and the ways of making tea.
结果表明,茶树是富氟能力较强的植物,影响茶叶中氟浸出的主要因素是茶叶的富氟量及泡茶方式。
The main food, grains, is not harmful to human health in Xuzhou epidemic fluorosis area. High fluorine content in main vegetables is one of the key factors to cause epidemic fluorosis.
徐州地氟病区主食粮食对人体健康不构成伤害,主食蔬菜氟含量高,长期食用是引发地氟病的重要因素之一。
Applying principle, test methods and fluorine content data of fluorocarbon polymers are reviewed. The influence of fluorine content on the durability of fluorocarbon coatings is analyzed.
综述了含氟聚合物的应用原理、测试方法及氟含量,分析了氟含量对氟涂料耐久性的影响。
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.
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。
Analyse the content of fluorine in air in the room where different kind of coal is used and the main food and the intensity of epidemic.
对使用不同燃煤方式的居民户主要食物氟含量与氟中毒流行强度进行对比分析。
This article described the principle and experimental method of determining fluorine ion content of water by method of ion selective electrode.
阐述了用离子选择电极法测定水中氟离子含量的原理及实验方法。
The content of Tead has distinct reduced. The contents of Arsenic, Mercury, Fluorine are very low.
有害元素铅的含量明显降低,砷、汞、氟的检出量很少或没有检出。
The content of free fluorine in toothpaste by potentiometry with a fluorine ion selective electrode is determined.
利用氟离子选择性电极直接电位法测定了牙膏中的游离氟。
High fluorine water can be treated by boiling method, contact precipitation method or column filter method, the content of fluorine for processed water can meet normal drinking standard.
以上几种降氟剂根据水质不同可单独使用,也可钙、镁两种降氟剂混合使用。使用方法有煮沸法,接触沉淀法、滤柱过滤法来处理高氟水,其水氟含量可达到正常饮用标准。
The results indicate that the emission rate of fluorine increases with a decrease in water content and degree of neutralization.
结果表明,氟的逸出率随含水率和中和度的减小而增大。
A determination is made of the relationship of the emission rate of fluorine during the evaporation of acidic ammonium phosphate slurry with the degree of neutralization and water content.
测定了酸性磷铵料浆在浓缩过程中氟的逸出率与中和度、含水率的关系。
The principles of effect of system pressure, activation temperature and content of fluorine were obtained by the phase diagrams.
通过相图讨论了系统压力、激活温度和氟含量对低压金刚石薄膜淀积条件的影响,可以为实验研究提供理论指导。
The concentration of fluorine versus ash content in 288 coal samples was studied.
中国煤中氟含量与灰分显著正相关,表明煤中氟主要以无机矿物形式赋存。
The concentration of fluorine versus ash content in 288 coal samples was studied.
中国煤中氟含量与灰分显著正相关,表明煤中氟主要以无机矿物形式赋存。
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