鉛斑 的英文怎麼說
中文拼音 [qiānbān]
鉛斑
英文
lead discoloration-
The main metals mineral are chalcopyrite, the next clinohedrite, alpha chalcocite bornite, malachite and azurite. a little amount blende, galena incidentally ryby silver, bismuth
礦石中主要金屬礦物為黃銅礦、其次為黝銅礦、蘭輝銅礦、斑銅礦及銅的氧化物孔雀石、藍銅礦。閃鋅礦、方鉛礦少量，偶見淡紅銀礦、硫酸鈕礦。The mineralization theories related to the continued resources exploration of the crisis mines include : the model of golden deposits in greenstone belts ; the superimposed model of epithermal deposits and porphyry deposits ; the prospecting model of superfine dip gold deposit in deep ; prospecting model of copper and nickel sulfides in deep ; the associated model of lead, zinc and gold
與危機礦山接替資源找礦勘查有關的成礦理論包括：綠巖帶金礦新模式，淺成熱液和斑巖銅礦的套疊模式，微細浸染型金礦深部找礦模式，銅鎳硫化物深部找礦模式，金和鉛鋅礦共伴生模式等。Toxic effect of lead pollution on porphyra yezoensis
鉛污染對條斑紫菜的毒害影響Test methods for analysis of lead in pvc taken from insulation and sheath of electric and optical fibre cables - method a : total lead content determination with flame excitation atomic absorption spectrometry - method b : qualitative analysis of lead by lead sulphide staining
聚氯乙烯絕緣和護套光電纖維電纜鉛分析的試驗方法.方法a :用火焰激發原子吸收光譜測定法測定法含鉛總量測定.方法b :硫化鉛斑漬中鉛的定性分析There is a close relation between mesozoic tectonic evolution, fluid evolution, petrogenesis and mineralization in the manzhouli - e ' erguna region in the northeast of the northern orogenic belt, china, and three evolution stages of the mesozoic tectonic - fluid - petrogenetic and metallogenetic system are proposed out : 1 ) acompanied by ree and cu mineralization, the calc - alkaline volcanic rocks and mantle - crust mixed type granite occurred under the regional tension tectonic background caused by the mongolia - okhotsk residual ocean that was closing in scissors form in the early - middle jurassic. 2 ) acompanied by pb, zn and ag mineralization, the calc - alkaline and alkaline volcanic rocks occurred under the regional shear - compression tectonic background in the late jurassic. 3 ) acompanied by u, f, pb, zn and ag mineralization, the caic - alkaline and alkaline volcanic rocks occurred under the regional tension tectonic background in the early cretaceous
摘要本文討論了北方造山帶東北段滿洲里額爾古納地區及其毗鄰區中生代構造流體成巖成礦系統及其演化的三個不同階段： 1 ）早中侏羅世張性「似裂谷環境」下所形成的中基性堿性火山巖、同熔性花崗巖及深源流體活動形成的稀土礦床和斑巖性銅鋁礦床； 2 ）晚侏羅世擠壓剪切環境下所形成的酸性火山巖、斑巖類及深源流體活動所形成的鉛鋅銀礦床； 3 ）早白堊世張性環境下所形成的基性堿性火山巖及深源流體活動所形成的鈾礦床、金銀礦床及螢石礦床。This dao is estimated to be around 60cm long ( very short, it can ' t be measured accurately without ruler at home ) and two fingers wide ; intact scabbard and fittings with perfect appearance ; no collapse on blade, little rust ; stretchy ; there ' s buff pattern - shape rust spots appeared after polishing several minutes which should be so - called pattern steel ; regular and symmetrical blood groove
該刀刀長估計只有60公分左右（很短小，家裡沒尺不能準確的量） 、寬兩指；刀鞘和裝具完整且品相極佳；刀刃無崩口、卷刃、銹很少（任何地方都可以削鉛筆） ；彈性十足；磨了以後幾分鐘即出現淺黃色銹斑，呈花紋狀，應是所謂花紋鋼；血槽非常工整、對稱。From the study of lead isotope, we know that the lava of erlangping is ocean lava - spilite keratophyre, it is the main origin of lead in time evolvement sequence and genesis
鉛同位素研究表明本區二郎坪群的火山巖為洋殼火山巖?細碧角斑巖，在時間演化序列上和成因上它們作為pb的主要源巖。The minister of war had his bald head, with grey curls on the temple, held low between two wax candles ; he was reading some papers, and marking them with a pencil
這個軍政大臣把他那夾在兩支蠟燭中間兩鬢斑白的禿頭低垂下來，一面閱讀文件，一面用鉛筆做記號。One gleam of light lifted into relief a half - submerged mast, on which sat a cormorant, dark and large, with wings flecked with foam ; its beak held a gold bracelet set with gems, that i had touched with as brilliant tints as my palette could yield, and as glittering distinctness as my pencil could impart
束微光把半沉的桅桿映照得輪廓分明，桅桿上棲息著一隻又黑又大的鸕鶿，翅膀上沾著斑駁的泡沫，嘴裏銜著一隻鑲嵌了寶石的金手鐲，我給手鐲抹上了調色板所能調出的最明亮的色澤，以及我的鉛筆所能勾劃出的閃閃金光。According to rolls - royce ( which has signed a ten - years agreement with swiss firm mes - dea to market the technology for marine applications ) the zebar batteries have almost twice the energy density, in a reduced volume, than conventional lead / acid alternatives
據勞斯?萊斯公司（勞斯?萊斯公司已經和瑞士的mes - dea公司達成了一項用於船舶設備的十年的技術轉讓協議）介紹， 「斑馬」電池組雖然體積減小，卻能夠比傳統鉛-酸電池多提供兩倍的電量。分享友人