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Extracting technical conditions of carminic acid from cochineal was examined in this paper, and effects of pH, concentration, extracting times, extracting temperature, extracting time, and particle size of raw material on the yield of carminic acid were investigated.

笔者研究了从胭脂虫中提取胭脂红酸的工艺，探讨了浸提液pH、浓度、浸提次数、浸提温度、浸提时间、原料颗粒度、料液比等对胭脂红酸得率的影响。

The effect of vitriol excess coefficient, reaction temperature and reaction time on the leaching ratio has been studied.

其次是硫酸浸取，研究了硫酸过量系数、酸浸温度和酸浸时间对铁的浸出率的影响。

According to craft mineralogical research result, use raw ore to wait for sulfide via floatation eliminate realgar, gamboge first, soak of the cyaniding after floatation concentrate pretreatment, the plan of direct cyaniding soak undertakes floatation gangue experiment, total soak rate of gold is achieved 88.52%, relatively raw ore is direct soak of complete mud cyaniding increases 25.02 percent.

根据工艺矿物学探究结果，采用原矿先经浮选除去雄黄、雌黄等硫化物，浮选精矿预处理后氰化浸出，浮选尾矿直接氰化浸出的方案进行试验，金的总浸出率达到88.52%，较原矿直接全泥氰化浸出提高25.02个百分点。

The saturated solution can be directly recycled in distillation and turned into renewed solvent which has the same dissolving performance as the untapped one.After disparting from aluminum foil, the mixture of LiCoO_2 and acetylene black was lixiviated to extract cobalt ion. The leaching efficiency of cobalt was shown to be as high as 90% in the lixiviation experiments.

对钴锂膜上与铝箔脱离后的LiCoO_2、乙炔黑混合粉末，通过浸出钴的实验研究，确定了盐酸体系为合适的浸出体系，在盐酸浓度为6.67mol/L，反应温度80℃，反应时间50分钟的最优化浸出条件下，钴金属的浸出率可达90%以上。

The lixiviation ability of heavy metal in the ancient smelting residue has declined. Only a very small part of Zn lixiviated at a few locations, the amount of Pb leaching is below the detection limit, and only a small amount of Cr and Cd leaching occurs.

古冶炼废渣浸出能力减弱，废渣中Zn仅部分点位有极少量浸出，Pb的浸出量甚至在检出限以下，Cr和Cd也仅有少量浸出。

The high Titania bearing blast furnace slag and NaOH may directly respond under the high temperature, then soak the eutectic slag to dissolve the dissoluble sodium salt. When the responded temperature is 1250℃, the lixiviation rate of Ti, Si, Al are higher; but the the lixiviation rate of Ti, Si, Al are very less, especially the lixiviation rate of Ti less than 10%.

采用分离剂NaOH与高钛型高炉渣在高温下直接反应，然后浸取，碱熔温度在1250℃时，钛、硅、铝都有较高的浸出率；碱熔温度为1000℃时，钛、硅、铝的浸出率明显降低，尤其是高钛型高炉渣中钛的浸出率低于10%。

The influences of ratio of liquid to solid, concentration of ethanol in solvent and leaching time on recovery of phenol and caustic soda and yield of fatty acid and sebacic acid were investigated.

在癸二酸传统生产工艺中的裂解工序后增加浸取工序回收游离碱和苯酚，通过正交试验，考察了液固比、浸取剂浓度和浸取时间对氢氧化钠和苯酚回收及对脂肪酸和癸二酸产率的影响，确定最佳回收工艺条件为：液固比2.5，浸取剂为95％的乙醇水溶液，浸取时间为15min。

Bidentis were studied by adopting indoor bioassay. The results showed that the volatile matter of F. bidentis had not allelopathy to four receptor plants. The eluviated matter inhibited seedling growth of cotton obviously, the inhibition ratio of root and stem were 6.29% and 10.42% respectively. The aqueous extract of litterfall and root exudates had different inhibition to four receptor plants, The synthesis effectof all treatments was significantly greater than eluviated matter treatment except for B3 of the aqueous extract of root exudates, such as the synthesis effect of all treatments (A1, A2, A3, B1, B2, B3 and eluviation) were 44.74, 29.37, 14.5, 31.54, 16.52, 3.55, 1.48 respectively.

结果显示：黄顶菊自然挥发物对受体植物不表现化感作用；黄顶菊淋溶物对棉花幼苗生长表现出明显的抑制作用，对棉花幼苗高度和根长的抑制率分别为6.29%和10.42%；黄顶菊枯落物浸提液和根系分泌物浸提液对4种受体植物均表现出不同程度的抑制作用，除了黄顶菊根系分泌物浸提液 B3处理外，其它处理的综合效应均显著大于淋溶物处理，如黄顶菊枯落物浸提液（ A1、 A2、 A3）、根系分泌物浸提液（ B1、 B2、 B3）以及淋溶物等各处理对受体植物的综合效应分别为44.74、29.37、14.5、31.54、16.52、3.55、1.48。

The degree of the plumping of the cattle hide and the removal of the hair were evaluated during the li- ming process;the protein,suspending substance,sodium sulfide and effective calcium oxide contents in the liming liquor and the fat content in the limed hide were measured;also,the tissue slice of the limed hide was observed by optic microscope.

将不同量的十二烷基硫酸酯钠、十二烷基三甲基氯化铵和平平加O分别添加到浸灰液中，观察浸灰过程中皮膨胀情况和毛脱除情况，测定浸灰废液中蛋白质、悬浮物、硫化钠和有效氧化钙含量及浸灰皮油脂含量，并对浸灰皮组织切片进行显微镜观察。

The present invention adopts ammonium salt solution as leach, and adopts the liquid-phase oxidation activating agent formed from surfactant sodium ligno-sulfonate or sodium dodecyl sulfonate, liquir phase oxidation catalyst Cu(2+) and sulfur-extracting agent tetrachloroethylene to implement quick leaching process of sulkfide mineral in gas-liquid-solid three-phase reactor, all the sulfurs contained sulfide in mineral powder can be converted into elementary sulfur and sulfuric acid radical, the contained zinc, copper, nickel, cobalt, lead, cadmium and silver can be changed into soluble salt, and fed into leach or remained in the leaching out slag.

本发明涉及的有色金属硫化矿的铵盐液相氧化直接浸出方法，其特征在于：采用铵盐溶液作浸出剂，采用由表面活化剂木质磺酸钠或十二烷基磺酸钠，液相氧化催化剂Cu2+、萃硫剂四氯乙烯组成的液相氧化活化剂，在气液固三相反应器内，实现硫化矿的快速浸出过程，矿粉中各种硫化物所含的硫转变为单质硫和硫酸根，所含的锌、铜、镍、钴、铅、镉、银等变成可溶性盐类进入浸出液中或留在浸出渣中，消除传统流程中二氧化硫，硫化氢，氮氧化物及含砷含汞含铅等有毒烟气的排放。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。