精制

A migration detection method for 9 bisphenol type chemicals from food contacting materials was developed by using deionized water,3％ acetate acid solution,10 ethanol solution and refined olive oil as four food simulants. The chemicals included bisphenol A,bisphenol A diglycidyl ether,bisphenol F diglycidyl ether,and their derivatives.

选用去离子水、3%乙酸溶液、10%乙醇溶液和精制橄榄油作为4种食品模拟物，开展了食品接触材料中双酚A，双酚A二甘氨酸醚、双酚F二甘氨酸醚及其衍生物等9种双酚类物质迁移检测方法研究。

Our company mainly produces OPP non-woven fabrics and PE knitting reticules, which are elaborated with international up-to-date raw materials boasting fashionable and nice-looking style, economy, resistance to water and moisture, and being environment-friendly.

本公司主要生产OPP无纺布与PE编织手提袋，采用国际最新原材料精制而成，造型时尚美观、经济实惠，具有防水、防潮、环保之功能。

It included the column plate replacement, adding a heater, using a three stage electrostatic desalting , and improving the caustic treating.

改造的主要内容包括更换常压塔塔盘、增加一台加热炉、采用三级电脱盐及改进电精制等。

And the optimum technical condition of refining preparation of potassium sulphate are also obtained as followin...

同时得到精制过程的优化工艺条件：结晶温度40℃，反应时间90 m in，氯化钾与硫酸钾的配料质量比为0.15。

Transition metal phosphides have recently been the focus of research due to their higher activity compared to metal sulfides for HDS and HDN.

最近十几年，过渡金属磷化物以其高HDN和HDS活性和稳定性迅速成为加氢精制领域研究的热点。

In the last fifty years men have searched for oil in nearly every land and even below the sea. They have sunk wells thousands of feet into the earth's crust. They have built great refineries where the oil is separated into fine petrols, kero-senes and thicker oils, which are all used for different purposes. And they have discovered numerous uses for all the products of petroleum.

在组近的50年，人类开始在每一块陆地上寻找石油，甚至到海下寻找石油，人们在地壳以下几千米的深处开凿油井，建造许多大型炼油厂用来从石油中提炼出用途不同的精制汽油、煤油和浓度高的油，而且人们发现了各种石油产品的大量用途。

BeanBeanBean Carrot Powder takes the fresh carrot which grows in the agricultural industrialization base approved by the state as the main raw material and is finely made by applying the imported equipments and adopting modern technologies to rinse, cut, dry at low temperature, ultra-finely comminute,pelletize, tablet and package.

&豆豆豆&牌胡萝卜素，以国家颁布的农业产业化生产基地种植的新鲜胡萝卜为主要原料，采用进口设备以现代技术清洗、切割、低温干燥、超微细粉碎、制粒、压片、包装等工序精制而成。

BeanBeanBean Garlic Powder takes the fresh garlic which grows in the agricultural industrialization base approved by the state as the main raw material and is finely made by applying the imported equipments and adopting modern technologies to rinse, cut, dry at low temperature, ultra-finely comminute, pelletize, tablet and package.

&豆豆豆&牌大蒜精，以国家颁布的农业产业化生产基地种植的新鲜大蒜为主要原料，采用进口设备以现代技术清洗、切割、低温干燥、超微细粉碎、制粒、压片、包装等工序精制而成。

BeanBeanBean Red Beet Powder takes the fresh red beet which grows in the agricultural industrialization base approved by the state as the main raw material and is finely made by applying the imported equipments and adopting modern technologies to rinse, cut, dry at low temperature, ultra-finely comminute, pelletize, tablet and package.

&豆豆豆&牌红甜菜精，以国家颁布的农业产业化生产基地种植的新鲜红甜菜为主要原料，采用进口设备以现代技术清洗、切割、低温干燥、超微细粉碎、制粒、压片、包装等工序精制而成。

BeanBeanBean Red Medlar Powder takes the fresh natural red medlar as the main raw material and is finely made by applying the imported equipments and adopting modern technologies to rinse, dry at low temperature, ultra-finely comminute, extract, concentrate, pelletize, tablet, and package. There is no chemical fertilizer, pesticide or artificial additive in the course of growing and producing the red medlar which is natural, unpolluted and healthy.

&豆豆豆&牌枸杞红素，以天然、新鲜的枸杞为主要原料，运用现代高科技手段和进口设备经清洗、低温干燥、超微细粉碎、提取浓缩、制粒、压片、包装等工序精制而成，在种植及生产过程中，未使用化肥、农药及任何人工合成添加剂，系纯天然的健康产品。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。