采錫礦 的英文怎麼說
中文拼音 [cǎixíkuàng]
采錫礦
英文
tinminingg-
Monitoring of stope stability in east panel in tongkeng tin mine
銅坑錫礦東盤區采場的穩定性監測Industries with particularly high potential exposures include : construction work involving welding, cutting, brazing or polishing on lead surfaces and application of lead solder ; most smelter operations either as a trace contaminant or as a major product ; secondary lead smelters where lead is recovered from batteries ; and firing ranges
有機會接觸鉛的工作包括:在建築業中,在含鉛的表面上進行焊接切割鍍焊或打磨粉飾以及使用鉛錫作焊接在采礦業中,提煉鉛或其他元素的工種在回收業中,把電池中的鉛再循環利用以及彈藥製造工作。The gejiu super - large tin - copper - polymetallic deposit is famous for producing tin. but now the sustainable development of the whole gejiu ore district faces the tremendous challenge, that is to say, the ore in the surface of ground and in the shallow stratum will soon be mined completely. the situation of resources in gejiu ore district is very tension
個舊錫銅多金屬超大型礦區以錫礦生產馳名世界,但經過數十年的開采,大部份探明錫多金屬儲量已經開采消失,多數礦山已受地質保有儲量不足困擾,達不到生產設計能力,部分礦山甚至已到「等米下鍋」的資源危機的境地而難于維持正常生產,個舊市新建礦業有限公司就是其中之一。A tentative plan for the improvement of sublevel open stoping with subsequent backfilling at tongkeng tin mine
改進銅坑錫礦分段空場嗣後充填采礦法的設想In 1823, the dutch governor v. d. capellen issued a colonial order under which all tin mines were turned into dutch colonial enterprises. it also ended a debate which had lasted for several decades over whether or not to follow the american model of using negro slaves to excavate the tin mines. an unwritten rule that chinese labourers should work the mines because local indonesian natives were unsuited for heavy labour was propagated
發布了對錫礦開采和貿易的殖民化命令,所有的錫礦變成了荷殖企業,從而長達幾十年「用黑人奴隸開礦的美國模式」的辯論終告結束,出臺了「本地土人不適于重體力勞動,應由中國勞工進行開礦」的不成文規定。In order to verify the natural radioactivity level, of tin polymetallic ore in southeast yunnan, and find out radioactive pollution in mining, dressing and smelting processes, 10 tin ores in this area were chosen to measure radionuclides ' specific activity in each kind of tin polymetallic ore, undressed ore, ore concentrate, debris and smelting slag
摘要為查明滇東南錫多金屬礦天然放射性水平,了解錫礦采、選、冶過程中的放射性污染,選擇了該區10個錫礦山,測量了各類錫多金屬礦原礦、精礦、尾礦及冶煉爐渣放射性核素比活度。分享友人