酸性方法

The method of acidothioureation leaching (with 732 resin) for the extraction of gold from ore Containing Sulfurs and concentrate of gold was Studied.

本文报导了在硫酸酸性介质中以Fe~(3+)离子为氧化剂，用硫脲浸出，732型离子交换树脂吸附回收含硫金精矿中金的方法。

Modification with (NH4)2SIF6 favors unclogging of the pore path and regulates its acidity.

氟硅酸铵改性是一种疏通HZSM-5催化剂孔道和调节其酸性的有效方法。

The method and affecting factors of transforming alkaline pulp black liquor into acid precipitating lignin by means of acid fermentation with acidproduction yeast BLY-land SSY-6 were investigated.

探讨了用产酸酵母菌BLY-1和SSY-6对碱法造纸黑液进行产酸发酵，使黑液由碱性变酸性，进而沉淀分离木质素的方法和影响因素。

The graft printing of real silk fabrics with sulfoamidic acid results in excellent reserve effect for acid dyes and desirable darkening effect for cationic dyes.

用氨基磺酸对真丝织物进行接枝印花，结果表明，该方法能获得酸性染料良好的防染性及阳离子染料增深性。

The improving effects of acid soil with lignin- sludge from treating pulping black liquor was studied using indoor culture methods with plastic reactors.

采用室内塑制质反应器培养方法，研究了制浆废液处理的木质素污泥对酸性土壤的改良效果。

During the acid washing process of steel tube,it can produce much acid wastewater which contains metal ions.

含有金属离子成分的酸性废水一般采用石灰乳中和法进行处理，但该方法处理后生成的沉淀密度较小，沉降效率较低，外排水水质变化较大。

The method adopts powders (10.0 parts of mass) of crop straws and phenols or polyalcohol compound (10 to 100 parts of mass) which is firstly pre-heated by 10 to 30 minutes under a temperature of 30 to 200 DEG C with the effect of acid catalyst (0.5 to 10 parts of mass) for a reaction of 30 to 240 minutes; after the reaction, the compound is washed, neutralized, filtered and dried to obtain a solid appearing as a color from citron yellow, yellow, bight brown to seal brown; wherein, the solid includes 64.0 to 70,0 percent of fibrin and 4.1 to 7.6 percent of lignin.

秸秆&液化&预处理制备生产燃料乙醇原料的方法，是用农作物秸秆的粉末(10.0质量份)和酚类或多元醇类化合物(10～100质量份)，在酸性催化剂(0.5～10质量份)存在下，在30～200℃温度下预热10～30min后，反应30～240min，反应完毕进行洗涤、中和、过滤和干燥而得呈淡黄色-黄色-浅褐色至深褐色固体，其中，纤维素含量64.0～70.0％，木质素含量4.1～7.6％。

Cashmere products in dark shade are normally dyed with acid alizarine dyes, chrome content in fabrics is determined by fabric pretreatment with microwave digestion followed by atomic absorption spectrometer.

酸性媒介染料染深色羊绒是较为常用的染色方法，采用微波消解法对媒介黑PV染色羊绒制品进行预处理，再通过原子吸收光谱测定法测定样品的铬含量。

It is more hard to be acid-depolymerized and contains more species that cannot be depolymerized and complexed by Al-Ferron method.

结果表明，PEO的引入使碱滴定过程中Al的水解聚合过程提前，所制得的改性PAC抗酸性增加，含有更多的不能被Al-Ferron方法所解离-络合的形态，在室温下存放更为稳定。

It was observed by Nissl and enzyme histochemistry staining that exogenous GDNF decreased lesion-induced motor neuron death in lateral nucleus of spinal anterior horn and the changes in activity of cholinesterase and acid phosphatase in spinal cord and sensory ganglions.

采用硅管套接大鼠切断的坐骨神经模型，局部给予胶质细胞源性神经营养因子，应用尼氏染色、酶组织化学染色方法，观察到外源性GDNF能减少脊髓修复侧前角运动神经元死亡的数目，降低脊髓前角运动神经元及脊神经节感觉神经元中胆碱酯酶及酸性磷酸酶变化的幅度。

Since historical times,England ,where the early inhabitants were Celts, has been conquered three times .

从有历史以来，英国，在此地早期居住的是凯尔特人，已经被征服了三次。

Bluetooth OBEX File Transfer Enables the sending and receiving of files on your phone via Bluetooth.

蓝牙OBEX文件移动允许经过蓝牙传送和接受文件。。。。