鎂的產出率 的英文怎麼說
中文拼音 [měidechǎnchūlǜ]
鎂的產出率
英文
magnesium yield-
First, this article explain background that the project is put forward, at present, jingxing county have several salt of magnesium manufacturing enterprises, but their scales are relatively little, technology is backward, resource utilization ratio is low generally, they caused the wasting greatly of resources, the economic benefits of these enterprises are low
本文對此進行了較為深入的研究。本文首先闡述了項目提出的背景，從目前來看，井陘縣擁有數家鎂鹽生產企業，但普遍存在規模較小、技術落後、資源利用率低的問題，從而造成了資源的極大浪費，企業的經濟效益低下。Guided by luo yang refractory research in - stitute, we developed alumina - magnesia spinel car - bon bricks. this product possesses such anvantages as high load softening point, low porosity, slag - resis - tance and erosion - resistance, when used in the working linings of lable, its effect is evidently raised, so it is very popular inmetallurgicol enterprises
我廠在洛陽耐火材料研究院指導下，研製出鋁鎂尖晶石碳磚，具有荷重軟化點高，氣孔率低，抗渣，抗浸蝕性能好等優點，用於鋼包工作襯，效果明顯提高，是目前鋼包用較為理想的產品，深受冶金企業歡迎。The ministry of finance and the state administration of taxation jointly determined to adjust export refund rates of the following products as of 1 may 2005 : ( 1 ) export refund rates of coal, tungsten, tin, antimony and their products decreased to 8 % ; ( 2 ) abolishing of the export refund tax of thulium, thulium oxide, salts of lanthanum, silicon metal, molybdenum ores and its fine ores etc
中國財政部、國家稅務總局決定自2005年5月1日起調整下列產品的出口退稅率： （ 1 ）將煤炭，鎢、錫、鋅、銻及其製品的出口退稅率下調為8 % ； （ 2 ）取消稀土金屬、稀土氧化物、稀土鹽類，金屬硅，鉬礦砂及其精礦，輕重燒鎂，氟石、滑石、碳化硅，木粒、木粉、木片的出口退稅政策。
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