In the world, the type of industrial cobalt deposits chiefly includes copper-cobalt sulphide deposits, cobaltiferous copper-nickel sulphide deposits, cobaltiferous laterite nickel deposits, multi-metal nervation cobaltiferous deposits, cobaltiferous skarns ferreous deposits, cobaltiferous iron pyrites deposits, cobaltiferous lead-zinc deposits.

世界上具有工業(yè)意義的含鈷礦床主要有：硫化銅鈷礦床精品亚州第一页、含鈷硫化銅鎳礦床、含鈷紅土型鎳礦床日本s片、多金屬脈狀含鈷礦床午夜无码国产18禁在线香瓜社区、含鈷矽卡巖鐵礦床、含鈷黃鐵礦礦床和含鈷鉛鋅礦床男人天堂网站。

The scrap metal are steel, ferreous and non ferreous. the grade of the steel I dont have the exact classification. If I have to class them, then we would have more time consuming and it will cost more money to seperate them.

鋼的中文无码Av天天爽无码精品人妻、含鐵或不含鐵的廢金屬，我們沒有精確的劃分等級標(biāo)準(zhǔn)国产爽爽爽网，如果我們?nèi)澐炙鼈兦嗲嗲嗖萃谙吖劭矗覀儗⒒ㄙM大量的時間aa日本在线上观看，并且會浪費很多錢來區(qū)分他們。

The scrap metal are steel, ferreous and non ferreous.

鋼的邊角廢料久久国产免费高清视频观看，含鐵的不含鐵的欧美AAAAA黃色。

The PCBN cutting tool, with many advantages such as good wear resistance, thermal and chemical stability, low friction factor and so on, has incomparable superiority when hard machining ferreous materials, instead of grinding, is becoming a new kind of finish machining way.

PCBN刀具具有硬度高、耐磨性好特级黄色视频毛片、熱穩(wěn)定性和化學(xué)穩(wěn)定性好18禁啪啪丝袜福利网，導(dǎo)熱性良好以及摩擦系數(shù)低等優(yōu)點，在硬態(tài)加工鐵系材料時具有無可比擬的優(yōu)越性久久久久久久黄色网站，正逐步取代磨削加工而成為一種新的精加工途徑久久一区精品网站。

In this work, according to the fact that the precipitation of ferreous and ferric iron to form magnetite nanoparticles is the fast reaction, we designed a new forced mixing route to prepare magnetite using nitrogen press in T type of tube to reach the intention of mixing in microscale and avoiding oxidation.

本文針對目前磁分離載體研究過程中存在的主要問題，從理論和實驗兩方面入手欧美美女A片一级，設(shè)計和制備了兩種納米結(jié)構(gòu)的生物磁分離載體微球蜜月aⅴ，探討了相關(guān)的科學(xué)問題，并在生物與醫(yī)學(xué)應(yīng)用方面進(jìn)行了初步的研究6080国产午夜精品。

ferreous：鐵的

ferrel 金屬箍 | ferreous 鐵的 | ferret out 搜出

ferreous：鐵色

鐵蛋白素 ferredoxin | 鐵色 ferreous | 含鐵色素 ferrichrome

ferreous：鐵的/含鐵的

ferredoxins /鐵氧化還原蛋白/ | ferreous /鐵的/含鐵的/ | ferret /白鼬/

ferreous cement：含鐵水泥

火山灰硅酸鹽水泥 trass Portland cement | 含鐵水泥 ferreous cement | 改性樹脂水泥 resin-modified cement

ferreous alloy：鐵合金

ferro cobalt 鉆鐵 | ferreous alloy 鐵合金 | feldspar 長石