精制

Be pair of markets above all is accurate hold, they are certain the consumptive trend with higher and higher to rice character requirement people, the market prospect that believes firmly purificatory rice is capacious, be in early consequently introduced advanced treatment facilities 1993, choose northeast and high grade round-grained nonglutinous rice, use scientific recipe, purificatory piece " rice of precious of god-given card Changjiang Delta ".

首先是对市场的准确把握，他们看准人们对大米品质要求越来越高的消费趋势，确信精制米的市场前景广阔，因而早在1993年就引进先进的加工设备，选择东北优质粳稻，采用科学配方，精制出"天赐牌江南珍米"。

A Study on Crystallization Technology of 5 Grade RDX;2. To increase the purity of bis-carboxyethylgermanium sesquioxide(Ge-132),therefining treatment of recrystallization and washing was performed besides using the agentswith higher purity.

为了提高有机锗（CarboxyethylgermaniumSesquioxide，Ge－132）的纯度，除了合成时选用较纯试剂外，还要进行重结晶、洗涤等精制处理，为验证不同精制过程对纯度的影响，用逐一定量的方法进行了对比实验。

ObjectiveTo sieve the best purification method of Herba Leonuri's acidic alcohol- extract by comparing the purification efficiency of different methods.

目的通过对不同精制方法的比较，筛选出益母草酸醇提取液的最佳精制方法。

Prehistoric humans probably were not able to distinguish between healthful foods and unhealthful foods without relying on their sense of taste.

D。不品尝食物的话，很难分辨是否为健康食品。E。有些非精制食物不比精制食物富有营养。

Influences of reaction temperature, hydrogen pressure, space velocity and hydrogen/oil ratio were investigated and optimum condition was obtained.

研究了加氢精制的工艺条件，考察了反应温度、氢压、体积空速和氢油比对聚α-烯烃合成基础油加氢效果的影响，确定了最佳的加氢精制工艺。

Gather a sour buffer liquid of the sugar adoption lemon to carry on taking out to lift to the sweet dew in the beer leaven, separate many sugar from ferment a liquid, is precipitate with cold methyl alcohol, get a white thick lift a thing, use the 铵 salt and boric acid of the quarter again with many sugar the formation match with a thing, adding ether to precipitate, getting white and refined sample, average each 50 gs the wet leaven cell can get such refined sweet dew to gather the sugar 0.6 gs, computing with the this kind method withdraw of produce a rate for 1.2%.

对啤酒酵母内的甘露聚糖采用柠檬酸缓冲液进行抽提，从发酵液中分离多糖，以冷甲醇沉淀，得白色粗提物，再用季铵盐和硼酸与多糖形成配合物，加乙醇沉淀，得到白色精制样品，平均每50g湿酵母细胞可得到这样的精制甘露聚糖0.6g，计算出以此种方法提取的产率为1.2%。

The effect of refined cotton,carbon fiber content and length on the safety of caseless ammunition and self-ignition temperature of simulating bore test was analyzed by testing the ignition point of 5 s delay of the propellants containing carbon fiber or refined cotton,impact sensitivity and temperature of simulating bore test.

为了研究含有纤维的无壳弹发射药安全性，通过测试含有碳纤维素或精制棉的无壳弹发射药5s延滞期爆发点、撞击感度和模拟枪膛试验的自燃温度，分析碳纤维含量、长度和精制棉对无壳弹发射药安全性能和模拟枪膛试验的自燃温度影响。

With the extracting yield of procyanidins as index,the extracting technology of procyanidins from Crataegus leaves was studied.

以山楂叶为原料，研究其中原花青素的提取分离和精制工艺，并对所得精制产物进行了红外光谱分析。

This is one kind by the neutral distilled water the bamboo coal factor which for the carrier, auxiliary purifies and essential becomes the membrane assistant, to seal the solid anti-alkali member contour molecular compound naturally to undergo a series of complex craft purification to become, this green environmental protection, can form compact protective film fast on the wall surface, has the stable wall surface, waterproof, the anti-alkali function, can prevent the wallpaper mildewy deterioration effectively, the enhancement wallpaper and the wall coheres the strength, is advantageous in the wallpaper construction, the extension wallpaper service life.

本品是一种以中性蒸馏水为载体、辅以精制的竹炭因子和必要的天然成膜助剂、封固抗碱分子等高分子化合物经过一系列复杂的工艺精制而成，本品绿色环保，能快速在墙面上形成一层致密的保护膜，具有稳定墙面，防水、抗碱的作用，能有效防止壁纸发霉变质，增强壁纸与墙体黏结力，有利于壁纸施工，延长壁纸的使用年限。

The crude PPG was purified with neutralization-absorption process and the experimental conditions of crystallization, decolor , dehydration and removement of metal irons were investigated respectively.

应用中和-吸附的工艺方法对聚醚进行精制，并且分别考察了结晶、脱色、脱水、脱金属离子等重要实验条件，讨论了使用不同的吸附剂，对聚醚精制效果产生的影响。

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。