Application of ultrasonic device to prevent scale depositing for the sulfuric - contained sewage stripping unit 超聲波防垢器在含硫污水汽提裝置中的應(yīng)用
It has measured large numbers of large - middle scale deposits such as fanshan alunite deposit of cangnan county and bamianshan fluorite deposit of changshan county in zhejiang province 探明了浙江省蒼南縣礬山明礬石礦和浙江省常山縣八面山螢石礦等一大批大中型礦床,曾獲地質(zhì)找礦二等獎(jiǎng)1項(xiàng),三等獎(jiǎng)2項(xiàng),四等獎(jiǎng)多項(xiàng)。
Yeomans shall not be liable for any damage caused by abrasive materials , chemicals , scale deposits , corrosion , lightning , improper electrical supply , mishandling , or other similar conditions 對(duì)于有下列因素造成的損失:研磨材料,化學(xué)物質(zhì),水垢沉淀,腐蝕物質(zhì),閃電,電源供應(yīng)故障,違反操作規(guī)程的操作,或其它類似情況,美國(guó)約曼公司將不承擔(dān)任何責(zé)任。
Phase analysis of thallium is not only the research objective of thallium migration and ecosystem effect of thallium in nature environment , but also the guide to find hidden large scale deposit such as ti , au , hg , as and sb ore 摘要鉈的相態(tài)分析既是研究自然環(huán)境中鉈的遷移和生態(tài)效應(yīng)的指標(biāo),也是指示尋找大型隱伏礦床如鉈、金、汞、砷、銻等礦的手段。
Besides fankou , dabaoshan and yingde are known large non - ferrous metal and pyrite bed , other medium and small scale deposits and mineralized spots scatter everywhere . these depositsmostlty exist in the middle - late devonian strata , others exist in carboniferrous 除著名的凡口、大寶山以及英德等幾個(gè)大型有色金屬及硫鐵礦礦床外,其他中、小型礦床及礦點(diǎn)更是星羅棋布。