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- Ferrochrome lignosulfonate has been used in drilling fluids ash thinning agent for a long time, due to its high tolerance to salt, calcium, temperature. 鐵鉻鹽作為鑽井液降粘劑雖然具有優良的抗鹽、抗鈣、抗溫等性能,但由於對人、畜和植物有毒害作用,其使用逐漸受到了限制。
- However, ferrochrome lignosulfonates are toxic to humman, animals, and plants. 用木質素磺酸鹽和有機硅作原料。
- The mechanism of the carboxylic lignosulfonate's scale inhibition is discussed. 實驗結果表明,羧酸型磺化木質素是一種阻垢性能較為理想的綠色阻垢劑。
- Properties of discard slag from high-carbon ferrochrome production was studied. 研究了碳鉻棄渣物性。
- Manufacturing : industrial silicon, metal magnesium, calcium carbide, high-carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China. 製造:工業硅、金屬鎂、電石、高碳鉻鐵、硅鉻合金、中低微碳鉻鐵。
- The lignosulfonate water reducing agent was prepared via oxidation and sulfonation of wheat straw alkali lignin. 以麥草鹼木素為原料,採用氧化磺化法,製備了磺化鹼木素減水劑。
- The copolymerization between calcium lignosulfonate and propylene oxide was investigated in this paper. 以馬尾松木質素磺酸鈣與環氧丙烷為起始原料進行共聚反應。
- The practice of smelting ferromanganese silicon with slag of high carbon ferrochrome is introduced. 介紹了用高碳鉻鐵渣做造渣劑冶鍊錳硅合金的生產實踐。
- Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure. 對亞硫酸鹽-甲醛-蒽醌製漿法(SFP)的副產品木質素磺酸鹽在鹼性高溫條件下進行了脫磺工藝的研究。
- Our forecasts have been revised upwards slightly as ferrochrome and scrap prices continue to soar. 由於鉻鐵和廢料價格繼續上漲,我們的預測值也跟著上調。
- In this paper,a kind of calcium lignosulfonate was phenolated by the method of phenol-sulfuric acid. 以一種木質素磺酸鈣為原料,採用苯酚-硫酸法對其進行酚化改性。
- A lignin-base flocculant LSDC was prepared by the Mannich reaction of the calcium lignosulfonate - acryamide copolymer. 本文以造紙工業副產物-木質素磺酸鈣為原料,通過接枝共聚和曼尼希反應合成了兩性木素絮凝劑(LSDC)。
- Sodium lignosulfonate and sodium lignolfonate are used in slurry preparation with Datong coal. 將木質素磺酸鈉和經化學改性后的木質素磺酸鈉用於大同煤製漿。
- We Heng Bo seamless materials experts, said he had taken note of the spot price of ferrochrome in the past few months up there. 我們恆博物資的無縫管專家最後表示,他已經注意到鉻鐵的現貨價格在過去的數月里出現了上漲。
- Experiments indicated that the copolymerization occrred mainly at the phenolic hydroxyls of lignosulfonate. 結果表明,木質素磺酸鹽的酚羥基是主要的反應點,而芳香環基本上沒有變化。
- The use temperature that nickel ferrochrome cobaltic black expects is extensive, can satisfy 800 degrees - 1300 degrees firing. 鎳鉻鐵鈷黑色料的使用溫度廣泛,可滿足800度-1300度的燒成。
- It introduces technological condition and result of smelting high carbon ferrochrome with Xinjiang's high melting point and low grade chromes. 介紹了使用新疆高熔點、低品位鉻礦冶鍊高碳鉻鐵的工藝條件和結果,實踐證踢通過合理地控制操作,可以得到較理想的技術經濟指標。
- The color development reaction between titanium in extra-low ferrochrome,nitrided ferrochrome and diantipyryl methane is studied. 研究了微碳鉻鐵、氮化鉻鐵中鈦與二安替比林甲烷的顯色反應。
- The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting. 摘要以木質素磺酸鈣、二乙胺和環氧氯丙烷為原料,通過接枝氨基,合成了木質素胺脫色絮凝劑。
- The double act came at the launch of two ferrochrome blast furnaces in a patch of desolate scrub 60 miles west of Pretoria. 此次雙方合演是為了慶祝兩座鐵鉻合金鼓風爐投入使用,地點在南非比勒陀利亞以西60英里一片荒無人煙的叢林地帶。