鈾鹽 的英文怎麼說
中文拼音 [yóuyán]-
Determination of u in uranic ores and uraniferous rock by selective solubility - barium salt titration
釩酸鹽滴定法測定鈾礦石及含鈾巖石中六價鈾It can determine the elements in water. when tta is used to extract zirconium in uranium, the combination of zirconium and tta is very strong, the concentrated acid of nitric acid and hydrochloric acid can not destroy their combination
用tta萃取分離鈾、鋯時, tta對鋯的螯合作用很強,硝酸和鹽酸的濃酸溶液並不能破壞它們之間的整合,即對鋯的反萃取非常困難。According to the analysis on the lithogeochemical features and the carbon and oxygen isotopes of calcareous sandstones, it is realized that there some genetic relation between the formation of calcareous sandstone and uranium mineralization in the oxidation - deoxidation transitional belt, that is the precipitation and enrichment of uranium is accompanied by the deposition of carbonate and formation of calcareous sandstone
根據鈣質砂巖的巖石地球化學特徵,結合碳、氧同位素分析認為,氧化還原過渡帶中鈣質砂巖的發育與鈾礦化的形成具有一定的成因聯系,即在鈾沉澱富集成礦的同時,伴隨著碳酸鹽的析出作用,形成鈣質砂巖。Study on reduction of nitrate from in - situ acid uranium leaching groundwater with iron particles
鐵屑去除酸法地浸采鈾地下水中硝酸鹽的試驗研究Preparation development and application of standard reference materials
紅外吸收法測定重鈾酸鹽中硫The corrosion test, performed in 5wt % salt fog or with the electrochemical calculation of anodic polarization in 50, g / g potassium chloride aqueous solution, indicates the coatings densification corresponds with their corrosion protection to uranium. the denser the coatings are, the more effective their protection to uranium is. compared with the al coatings produced at - 300v bias voltage and al _ ( 2 ) o _ ( 3 ) coatings produced with ps technique, the al coatings at - 100v and al _ ( 2 ) o _ ( 3 ) coatings with rms and to techniques are denser thus providing a better protection for uranium
電化學參數計算或鹽霧腐蝕結果表明,鍍層的緻密程度與其對鈾基體的保護性能呈現了較好的一致性:鍍層越緻密,其保護性越好,即- 100v偏壓下的鋁鍍層和rms 、 to法制備的al _ 2o _ 3鍍層;鍍層越疏鬆,其保護性越差,即- 300v偏壓下的鋁鍍層和ps法制備的al _ 2o _ 3鍍層。U - series dating of compact and well crystallized cave calcites, with its fairly high reliability, is commonly used for hominid fossil sites
純凈緻密、結晶良好的洞穴新生碳酸鹽巖鈾系年代的可信度已為學術界廣泛接受。While u - series dating of compact and well crystallized cave calcites, with its fairly high reliability, is widely used for hominid fossil sites
與此相比,純凈緻密、結晶良好的洞穴新生碳酸鹽巖的鈾系年代已為學術界普遍認可。We have carried out 230th / 234u dating on several intercalated calcite samples. the results show that the capping flowstone layer and the second one are holocene in time. the fourth flowstone layer is of an age of 55 ka, and the fifth one 110 ka
新生碳酸鹽鈾系法測年顯示,張口洞堆積所代表的時間跨度比原認為的長得多,這一結果支持我國中、晚更新世人類遺址原有年代框架被總體壓縮的觀點。We have carried out th / u dating on intercalated calcite samples. the results show that the capping flowstone layer is of an age of 94 ka, and the second one 220 ka. the fossil - bearing deposits which are bracketed by the two flowstone layers should be of an age between 94 and 220 ka
新生碳酸鹽巖與骨化石的鈾系測年結果表明:該地點覆蓋含人牙化石堆積的表層鈣板在約94ka以前開始形成,堆積疊壓的鈣板年代為約220ka ,人牙化石的年代應介於兩者之間。The result of the reductive reducing experiment indicated that sulfate - reducing bacteria could absorb organic carbon as nutrition materials to grow, at the same time, uranium was reduced and precipitated
硫酸鹽還原菌也可利用巖石中的有機碳作為營養物質進行生長繁殖,並將鈾還原沉澱。Determination of arsenic in uranium ore concentrate by diethyidithiocarbamate photometric method
鈾礦石濃縮物中砷的測定二乙基二硫代氨基甲酸鹽光度法分享友人