金屬鉈 的英文怎麼說
中文拼音 [jīnzhǔtā]
金屬鉈
英文
thallium thallium metal tl-
Metal halide gas - discharge lamps possess the advantages of small sige, high luminous efficiency, long life good start quality, simply appending power supply. they are widely use in movie projectors and overhead projectors etc. the metal - halide gas - discharge lamps include metal halide lamps with dysposium iodide, mercury lamps metal halide lamps with scandium - sodium iodides and metal halide lamps with sodium - thal - lium - indium etc
金屬鹵化物放電燈具有體積小、發光效率高、使用壽命長、啟動性能好附加電源較為簡單等優點，一般用於電影放映機、投影儀等儀器，品種有金鹵燈（汞燈） 、鏑燈、鈧鈉燈、鈉鉈燈等Industrial pollution has been a problem in certain areas of hong kong, and 12 parameters relating to metals and metalloids were initially used in 1986 to measure the degree of such pollution. these parameters are aluminium, arsenic, boron, cadmium, chromium, copper, iron, mercury, manganese, nickel, lead, and zinc. in 1997, another seven were added antimony, barium, beryllium, molybdenum, silver, thallium, and vanadium, making a total of 19
香港部分地區多年來一直受工業污染的困擾， 1986年河溪水質監測計劃推行初期我們用12項金屬及準金屬參數來檢驗工業污染水平：鋁砷硼鎘鉻銅鐵汞錳鎳鉛及鋅其後在1997年起另添加了七項新參數：銻鋇鈹鉬銀鉈及釩，監測的參數共19項，此外並測試了四項與工商業污染有密切關系的參數，即氰化物總量氟油脂及洗滌劑。Effects of thallium on germination and physiological activity of brassica chinensis l. seed
重金屬鉈對白菜種子萌發及其生理的影響
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