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The research aimed to study the fluctuation of whitefly on poinsettia and provide references for the control of whitefly.

［目的］研究烟粉虱在"一品红"上的消长，为烟粉虱的防治提供参考。

Megachile desertorum Morawitz is an important pollinator of many endangered species and constructive desert plants in West Erdos Region.

沙漠石蜂 Megachile desertorum Morawitz为多种植物的传粉昆虫，在西鄂尔多斯地区是多种濒危植物和荒漠建群植物的重要传粉者。

Laboratory is with diameter of fine pink bead - 80+160 looks (all the grain of polyvinyl chloride fine pink that bead diameter is 138 μ M), thick grain is all the polystyrene grain that bead diameter is 1.1 Mm.

实验所用细粉粒径为-80+160目(均粒径为138μm)的聚氯乙烯细粉颗粒，粗颗粒为均粒径为1.1 mm的聚苯乙烯颗粒。

In the production of the initial stage of the operation of commonly used method is a rapid decline in the volume of feed at the same time increase the grinding pressure, lower separator appropriate speed, so that as many as possible with the gas from the powder mill, the mill to reduce the volume within the material, thereby reducing the external the volume of recyclable materials.

在生产初期，通常采用的操作方法是迅速减少喂料量，同时加大研磨压力，适当降低选粉机转速，让尽量多的细粉随气体排出磨外，减少磨内物料量，从而降低外循环物料量。

Compactibility of mixed powders composed of Al_2O_3 powder and Cu powder at room temperature has been investigated.

本文研究了由Al2O3粉和Cu粉组成的混合粉末体系的室温压制性能。

A new method for evaluating powdering rating of galvanneal coatings was studied based on computer techniques of image processing and pattern recognition theory,and a system of the powdering recognition and rating on the galvanneal coating had been designed.

针对传统人工进行合金化镀锌板镀层粉化级别评定的不足，提出基于计算机视觉的镀层粉化评价方法，自行开发了镀层识别与评级系统。

Studying pests of Gold-Autumn Pear in Da-long Country Long-tian Local Government in Hong-jiang City from February 2003 to October 2004, we primarily think Gold-Autumn Pears diseases include Gymnosporangium haracanumsyd, Venturia Pirina Aderh, Alternaria Kikuchiano Tanaka, Physalospora piricola Nose, and its insects include Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida, Janus Piri Okamoto et Muramatsu,Toxoptera Piricola Mats, Urochela Luleovaria Distant, Eucleidae. Its main diseases are Gymnosporangium haracanumsyd, Venturia Pirina Aderh and Alternaria Kikuchiano Tanaka, main insects are Psylla Pyrisuga Forst, Cinacium iakusuiensis kishida.

通过2003年2月—2004年10月两年间在湖南省洪江市龙田乡大垅村对金秋梨病虫害防治的研究，初步确定了金秋梨上的病害有：梨锈病、梨黑星病、梨黑斑病、梨轮纹病，虫害有：梨木虱、梨黄粉蚜、梨茎蜂(Janus Piri Okamoto et Muramatsu)、梨星毛虫、梨二叉蚜Toxoptera Piricola Mats、梨蝽象(Urochela Luleovaria Distant、刺蛾等，其中以梨锈病、梨黑星病、梨黑斑病为主要病害，以梨木虱、梨黄粉蚜为主要虫害。

With Puna Chicory as raw material, the research was made on the conversion rate of inulin fructose influenced by hydrolysis time, hydrolysis temperature and the concn. of sulfuric acid through the test of single factor, and the optimal technology parameters for inulin hydrolysis were determined by orthogonal experiment integrating with variance analysis and their results were verified.

方法］以普那菊苣为材料，单因素试验研究水解时间、水解温度、硫酸浓度对菊粉果糖转化率的影响，正交试验结合方差分析确定菊粉水解的最优工艺参数，并进行验证。

I plant the production of wall putty powder with strong adhesion, water-resistant performance, the construction is simple, not from powder, not crack, good ductility, breathable and strong, non-toxic tasteless, storage, transportation convenient, can save 30% topcoat.

我厂生产的外墙腻子粉具有附着力强、耐水性能好、施工简便，不脱粉、不开裂、延展性好、透气性强、无毒无味、存储运输方便，还可节省30%左右的面漆。

So powder technology developed continuously, the application of roller mill has become the development trend of grinding industries.

因此粉磨技术也随之不断发展，辊式磨的应用已成为粉磨行业中的发展趋势。

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。