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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. 铁铬盐作为钻井液降粘剂虽然具有优良的抗盐、抗钙、抗温等性能,但由于对人、畜和植物有毒害作用,其使用逐渐受到了限制。
- However, ferrochrome lignosulfonates are toxic to humman, animals, and plants. 用木质素磺酸盐和有机硅作原料。
- The mechanism of the carboxylic lignosulfonate's scale inhibition is discussed. 实验结果表明,羧酸型磺化木质素是一种阻垢性能较为理想的绿色阻垢剂。
- Properties of discard slag from high-carbon ferrochrome production was studied. 研究了碳铬弃渣物性。
- Manufacturing : industrial silicon, metal magnesium, calcium carbide, high-carbon ferrochrome, silicon chromium alloys, low carbon ferrochrome China. 制造：工业硅、金属镁、电石、高碳铬铁、硅铬合金、中低微碳铬铁。
- The lignosulfonate water reducing agent was prepared via oxidation and sulfonation of wheat straw alkali lignin. 以麦草碱木素为原料,采用氧化磺化法,制备了磺化碱木素减水剂。
- The copolymerization between calcium lignosulfonate and propylene oxide was investigated in this paper. 以马尾松木质素磺酸钙与环氧丙烷为起始原料进行共聚反应。
- The practice of smelting ferromanganese silicon with slag of high carbon ferrochrome is introduced. 介绍了用高碳铬铁渣做造渣剂冶炼锰硅合金的生产实践。
- Desulfonation of SFP lignosulfonate was studied in this paper under alkaline and high temperature and pressure. 对亚硫酸盐-甲醛-蒽醌制浆法（SFP）的副产品木质素磺酸盐在碱性高温条件下进行了脱磺工艺的研究。
- Our forecasts have been revised upwards slightly as ferrochrome and scrap prices continue to soar. 由于铬铁和废料价格继续上涨，我们的预测值也跟着上调。
- In this paper,a kind of calcium lignosulfonate was phenolated by the method of phenol-sulfuric acid. 以一种木质素磺酸钙为原料,采用苯酚-硫酸法对其进行酚化改性。
- A lignin-base flocculant LSDC was prepared by the Mannich reaction of the calcium lignosulfonate - acryamide copolymer. 本文以造纸工业副产物-木质素磺酸钙为原料,通过接枝共聚和曼尼希反应合成了两性木素絮凝剂(LSDC)。
- Sodium lignosulfonate and sodium lignolfonate are used in slurry preparation with Datong coal. 将木质素磺酸钠和经化学改性后的木质素磺酸钠用于大同煤制浆。
- We Heng Bo seamless materials experts, said he had taken note of the spot price of ferrochrome in the past few months up there. 我们恒博物资的无缝管专家最后表示，他已经注意到铬铁的现货价格在过去的数月里出现了上涨。
- Experiments indicated that the copolymerization occrred mainly at the phenolic hydroxyls of lignosulfonate. 结果表明,木质素磺酸盐的酚羟基是主要的反应点，而芳香环基本上没有变化。
- The use temperature that nickel ferrochrome cobaltic black expects is extensive, can satisfy 800 degrees - 1300 degrees firing. 镍铬铁钴黑色料的使用温度广泛，可满足800度-1300度的烧成。
- It introduces technological condition and result of smelting high carbon ferrochrome with Xinjiang's high melting point and low grade chromes. 介绍了使用新疆高熔点、低品位铬矿冶炼高碳铬铁的工艺条件和结果,实践证踢通过合理地控制操作,可以得到较理想的技术经济指标。
- The color development reaction between titanium in extra-low ferrochrome,nitrided ferrochrome and diantipyryl methane is studied. 研究了微碳铬铁、氮化铬铁中钛与二安替比林甲烷的显色反应。
- The aminolignin flocculant was prepared based on calcium lignosulfonate, diethylamine and epichlorohydrin by amino grafting. 摘要以木质素磺酸钙、二乙胺和环氧氯丙烷为原料，通过接枝氨基，合成了木质素胺脱色絮凝剂。
- The double act came at the launch of two ferrochrome blast furnaces in a patch of desolate scrub 60 miles west of Pretoria. 此次双方合演是为了庆祝两座铁铬合金鼓风炉投入使用，地点在南非比勒陀利亚以西60英里一片荒无人烟的丛林地带。
