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黄原酸

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Eichhornia crassipes; Compost of pig feces; Humification; Potassium accumulation; Potassium bitartrate (KHC_4H_4O_6); Cellulose; Xanthogenate

农业科技,农业基础科学,肥料学凤眼莲;猪粪堆肥;腐殖化;钾富集;酒石酸氢钾;纤维素;黄原酸

The cellulose xanthate was prepared from waste tobacco stem and used for the removal of Cu2+in water.

以废烟梗为原料,制备纤维素黄原酸酯,并将其用于吸附去除水中的Cu2+。

A thick, golden-brown viscous solution of cellulose xanthate, used in the manufacture of rayon and ''.

粘胶液一种粘胶性的金棕色溶液,含有黄原酸纤维素,用于制造人造纤维和''。

A thick,golden - brown viscous solution of cellulose xanthate,used in the manufacture of rayon and cellophane.

粘胶液一种粘胶性的金棕色溶液,含有黄原酸纤维素,用于制造人造纤维和玻璃纸

It was found that sodium hydroxide concentration of alkalizing tobacco stem,the amount of carbon disulfide,the reaction time of carbon disulfide,and the amount of magnesium chloride had greater impact on the cellulose xanthate property of Cu2+removal.

实验结果表明,烟梗碱化的NaOH浓度、CS2的加入量、CS2的反应时间、MgCl2的浓度等4个因素对纤维素黄原酸酯去除Cu2+的性能影响较大。

The effects of the dosage of sawdust cellulose xanthate,reactive time,pH value,temperature on the removal of heavy metal ions in wastewater were investigated.

结果表明,在常温条件下,pH值在5~10范围内,木屑黄原酸酯对Cu2+,Ni2+,Zn2+的去除率达98%以上,处理后废水中Cu2+,Ni2+,Zn2+的含量达到国家排放标准。

The alkalizing bagasse reacted with carbon disulfide to synthesize bagasse cellulose xanthate .

蔗渣纤维素经碱化后,与二硫化碳反应,得蔗渣纤维素黄原酸酯。

Tobacco stem ; sorbent ; cellulose xanthate ; copper ion

烟梗;吸附剂;纤维素黄原酸酯;铜离子

ResultThe results showed that it had good results of removal heavy metal ions from wastewater using chaff xanthogenate when the pH value was neutral or alkaline, the reaction temperature was 40℃. Ions concomitance was good for removal heavy metal ions.

结果]结果表明,在pH值为中性或碱性,反应温度为40℃时,谷壳黄原酸盐对重金属离子具有较好的捕集效果;离子共存有利于重金属离子的捕集。

The aim of research was to study the effect of chaff xanthogenate on removal cuprum, zincum, nickel ions from wastewater.

[目的]制备并研究谷壳黄原酸盐对Cu(上标 2+)、Zn(上标 2+)和Ni(上标 2+)3种重金属离子的捕集效果。

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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发,分析对称连杆曲线上鲍尔点的产生条件,提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品,年生产总值3000万美元,产品价廉物美、选料上乘、质量保证,深受国内外客户的青睐

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。