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With corn embryo being coproduct in corn starch production as material, glutathione was extracted through hot water extraction after supercritical CO2 fluid extraction and ultrasound wave treatment. The results showed that The optimum conditions of hot water extraction are solid; liquid 1:15, temperature 90 ℃, pH3.0, time is 15 min. On these conditions GSH yield is 97 mg/100 g corn embryo.

以淀粉加工副产物玉米胚为原料，经过超临界流体萃取脱脂及超声波破壁处理后，采用热水浸提法提取谷胱甘肽，最佳热水浸提工艺条件为固液比1：15 g/mL、浸提温度90℃、浸提液pH3.0、浸提时间15 min，在此条件下谷胱甘肽提取量为97 mg/100g玉米胚。

A counter-current multistage leach ing process has been analyzed and used to leach potassium from roasts of potash feldspar, gypsum and calcium carbonate to increase the potassium recovery and the potassium sulfate concentration in the filtrate of the first stage.

采用多级逆流浸取操作方式以提高钾长石热分解烧成物浸取液中硫酸钾的浓度和浸出率，在对浸取过程进行分析和合理假设的基础上对过程进行了数学描述，建立了浸取过程相应参数的计算式。

The result indicates that multi factor line regression analysis is simple and fewer errors, thus it can be used generally and objectively, and it can reflect the instance of acid leaching.

运用回归分析理论和方法，建立了浸出率与主要影响因素间相互关系的经验公式--线性回归方程，探讨了酸法浸出浸出率与主要影响因素酸耗、时间、温度间的相互关系，并对其在酸法浸出过程中影响浸出率相关因素进行了分析。

This paper describs recovering rhenium from smoke of molybdenum concentrate roasting by the hydrogen peroxide solution leaching method.

研究确定了钼精矿焙烧烟尘中铼可用双氧水浸法回收，并通过单因素及正交试验得出了适合浸出铼的条件是∶液固比4∶1，浸出时间2 h，浸出温度60℃，且浸出率可达88%以上。

The results indicate that the synthesized sphene has a good chemical durability in the aqueous solution whose pH value is 5-9, the temperature and pH of the solution have important influences to its chemical durability in 1-21 days.

结果表明，在pH为5~9的水溶液中，合成榍石具有良好的化学稳定性，温度和pH是影响1~21 d化学稳定性的重要因素；42 d Ca(上标 2+)的浸出率比Ti(上标 4+)的浸出率高2个数量级；在90℃、pH=7下，Ca(上标 2+)和Ti(上标 4+)的42d归一化浸出率分别为3.33×10^(-3)、1.33×10^(-5)gm^(-2)d^(-1)；在25℃、pH=7下，Ca(上标 2+)和Ti(上标 2+)的42d归一化浸出率分别为1.52×10^(-3)、3.05×10^(-5)m^(-2)d^(-1)；在25℃、pH=3下，Ca(上标 2+)的42d归一化浸出率达到7.71×10^(-2)gm^(-2)d^(-1)。

The effects of temperature, dialogite-to-sulfuric acid ratio, and solid-to-liquid ratio on leaching of dialogite by sulfuric acid were researched in the leaching experiment of ores from Hubei.

通过对湖北矿的浸取试验研究，讨论了温度、矿酸比、固液比对菱锰矿硫酸浸取的影响，优化了浸取条件，并确定温度对浸取的影响最为显著，使浸取率可以达到99。

Under initial pH value of 1.6, Fe(superscript 3+) concentration of 8.58 g/L and temperature of 70℃, after eight hours stirring leaching with the Fe(superscript 3+) solution made by biochemical oxidation, the leaching rate of marmatite was above 90% when pulp density was 3%, the leaching rate marmatite was up to 95.18% when pulp density was 1%.

菌生Fe(上标 3+)浸矿剂对铁闪锌矿的浸出表明，在初始pH=1.5、Fe(上标 3+)浓度为8g/L、温度为70℃的条件下浸出8h，当矿浆浓度小于3%时，浸出率可达90%以上，其中矿装浓度为1%时的浸出率高达95.18%。

The results show that dynamic leaching of heavy metals increases with decreasing pH values on the whole, but the relativity is not significant. The leaching concentration is negatively correlated with time. The calculation results show that the elements with the largest cumulative leaching amount are Fe, Mn, Zn and As, and those with the smallest amount are Pb, Sn, Hg and Cd. The elements with the highest stage lixiviating rate are Ni, Co, Cr, Mn, Cd and Cu, and that with the lowest rate is Fe. The elements with the highest values of cumulative lixiviating rate and cumulative lixiviating intensity are Cr, Mn, Co, Ni and Zn, and that with the lowest ones is Fe.

结果表明，重金属元素的动态浸出整体随pH值下降而升高，但相关性不明显，浸出浓度与时间整体上呈负相关关系；浸出总量效果较好的元素为Fe、Mn、Zn、As，较差的为Pb、Sn、Hg、Cd，其他元素中等；阶段浸出率较高的元素有Ni、Co、Cr、Mn、Cd、Cu，较低的元素有Fe，Sn、Zn介于中间水平；累积浸出率和累积浸出强度较高的元素有Cr、Mn、Co、Ni、Zn，较低的元素为Fe，Cu、Cd、Sn居于中间水平。

Three extraction methods including hot water extraction, pectinase enzymolysis, and microwave extraction were compared and their effects on red date wine quality were analyzed.

结果表明，90℃热水浸提，浸提液发酵酒颜色呈枣红色，杂油醇含量最高，有浓郁枣香，但苦味重；果胶酶酶解浸提，浸提液还原糖含量最高，利于发酵，但发酵酒的甲醇含量过高；微波强化浸提，浸提时间和发酵时间最短，所得枣酒的乙酸乙酯含量最高，且有特殊香味。

All of the studies in this paper, including the study of leaching behavoirs of HLW glass under repository conditions, low oxgen and multi-barrier media; the geochemical model PHREEQC used for calculating the leachate compositions and sediment phases on the glass surface; A Monte Carlo model established and used for study of leaching behavior of HLW-glass; as well as the high-temperature self-propagating synthesis used for immobilization of Sr element in perovskite synroc, are the front research works of this field in the world, and obtained some significative results in theory and practice.

本研究所作的高放废液玻璃固化体在模拟地质处置条件下（低氧条件和多种地质介质）的浸出行为研究，采用了低氧条件和多种模拟地质介质，包括北山预选厂址的花岗岩、膨润土、水泥和Fe〓O〓作为浸出介质，模拟地下水和去离子水作为浸出剂，90℃和150℃两种浸出温度；采用了地球化学模型PHREEQC（version2.7）研究玻璃固化体浸出液中主要元素的浓度以及沉积相的生成；采用蒙特卡罗法建立玻璃固化体的计算模型，对玻璃固化体的浸出行为进行研究；采用了自蔓延高温法固化锶，这些工作都是当前国际上比较前沿的研究课题，采用了先进的分析测试技术，并且作了大量计算，得出了理论上和实践上有意义的结果。

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。