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By using Jordan Curve Theorem and classical combination, we obtain the formulas for computing the flexibility of wheels and wheel-like graphs on the torus. 2. By C.Thomassen's work on Large Edge Width embeddings, we obtain some properties of some locally LEW-embedded graphs.

利用Jordan曲线定理和经典的组合计数方法，得到了轮图在环面上柔性的计算公式，结合轮图的结果以及环面的性质，得到了轮型图在环面上柔性的计算公式。

By using Jordan Curve Theorem and classical combination, we obtain the formulas for computing the flexibility of wheels and wheel-like graphs on the torus.2. By C.Thomassens work on Large Edge Width embeddings, we obtain some properties of some locally LEW-embedded graphs.

利用Jordan曲线定理和经典的组合计数方法，得到了轮图在环面上柔性的计算公式，结合轮图的结果以及环面的性质，得到了轮型图在环面上柔性的计算公式。

Constituting dicycle; 2. region selectively reducing six-membered ring ketocarbonyl radical; 3. introducing 7alpha-hydroxy group; 4. Aldol reaction to introduce side chain and obtain 8alpha-hydroxy group; 5. oxidizing the position 7 hydroxy group into ketone; 6. turning the configuration of the position 7 hydroxy group; 7. glycosidating the position 7 hydroxy group; and 8. eliminating protecting group to obtain the target compound.

该方法包括如下步骤：(1)双环的构建；(2)区域选择性还原六元环酮羰基；(3)7α-羟基的引入；(4)Aldol反应引入侧链，同时得到8α-羟基；(5)7位羟基氧化为酮；(6)7位羟基构型的翻转；(7)7位羟基的糖苷化；(8)脱除保护基得到目标化合物。

However, it is this place last centuries are close to be being removed at the beginning of 90 time and the school, since 1996, however a new force suddenly rises, successive first place of middle school of country of city of lasher of ginger of house of achievement of 11 years of the university entrance exam, obtain quality of high school of ginger lasher city to teach quality to evaluate outstanding award year after year, obtain the university entrance exam for many times special contribution award, walked out of the road of the development with free-standing self-improvement of middle school of a country.

然而，就是这所在上个世纪90年代初濒临被撤并的学校，从1996年起，却异军突起，连续11年高考成绩居姜堰市农村中学首位，年年获得姜堰市高中素质教育质量评估优秀奖，多次获得高考非凡贡献奖，走出了一条农村中学自强自立的发展之路。

A steel bar is washed and dried, and then put into a glass pipe which is sealed to obtain stirring magneton; a mixed solvent of Gamma-methacrylate oxide propyl trimethoxy silane and methanol is prepared and added with an organic base to obtain a pre-bonding solvent; the stirring magneton is immerged into the pre-bounding solvent, and the outer surface of the glass pipe of the stirring magneton is bonded with a layer of silane substance with alkenyl; a reactive monomer mixture and a pore-forming agent mixed solvent are evenly mixed and then added into a container, the stirring magneton after the pre-bounding is put into the container which is sealed and then put into a water bath; after reaction, the container is removed, the stirring magneton coated with a polymer is taken out and put into a extractor and extracted by using a solvent; or the stir bar is immersed into the solvent till no impurity can be checked in the solvent, thereby obtaining the product.

将铁条清洗干燥，放入玻璃管内，密封得搅拌磁子；配制γ-甲基丙烯酸氧丙基三甲氧基硅烷与甲醇的混合溶液，加入有机碱得预键合溶液，将搅拌磁子浸入预键合溶液，在搅拌磁子的玻璃管外壁键合一层带烯基的硅烷化物质；将反应单体混合剂和致孔剂混合溶液混匀后倒入容器中，将预键合后的搅拌磁子放入容器，密封后置于水浴中，反应后除去容器，取出涂有聚合物的搅拌磁子，置于提取器中，以溶剂提取，或将搅拌棒置于溶剂中浸泡至溶剂中无杂质检出，得产物。

For shots and pills, women need to make regular appointments with their doctors and then they need to get prescriptions in order to obtain the medication. Diaphragms also require medical examinations. While sponges do not require examination, they can be far more difficult to obtain then condoms.

就像避孕环和避孕药，女性还要定期和她们的医生见面，有医生的处方才能拿药；子宫帽也需要医学测试；避孕海绵不需要医学测试，但获得它们比获得避孕套难多了。

When we analyse rigid body with the theory of limit equilibrium, we do not obtain always reasonable maximal principle in physics, and the maximal value is the result of soil plasticity deformation.(2) Thoroughly commenting the typical method of slices from their satisfid equilibrium conditions, calculational parameter and their convergence, the thesis sortes the methods into four kinds. The first satisfies all kinds of equilibrium conditions, can obtain interslice force and the factor of safety.

2从满足的平衡条件、求解的参数及其解收敛性等，分析了各种常用极限平衡条分法，将其分为四类，第一类方法既满足力的平衡，也满足力矩平衡，能获得条间力和稳定系数的收敛解；第二类方法只满足一个方向力的平衡和力矩平衡，只能求得稳定系数；第三类方法既满足力的平衡，也满足力矩平衡，但不是严格的静定问题，解的收敛性差；第四类方法满足两个方向力的平衡，不满足力矩平衡，可求得稳定系数和条间力的大小，不能求得条间力方向。

It is difficult to obtain the accurate segmentation threshold of the image. This paper uses the multinomial to approximate the histogram envelope curve by different phase. So the question of how to obtain the accurate segmentation threshold of the image can convert into the solution of the minimum of multinomial, Using this method it can be solved the question how to segment the image more accurately.

对于在图像分割时难于得到图象分割的准确阈值问题，提出利用多项式对直方图包络线进行分段拟合，把图像分割阈值问题转化为求多项式极小值的问题，从而求出用于分割图像不同灰度层次的最优阈值的方法。

Besides, this announcement returns a regulation, program of Internet seeing and hearing serves the drama of movie and TV that the unit transmits, must accord with the concerned regulation of management of broadcast film TV, obtain service of broadcast movie and TV to issue lawfully " electric film is fair mirror licence "," teleplay issues license " or " TV cartoon issues license "; The academic literature movie and TV of transmission piece must obtain service of broadcast movie and TV to issue lawfully " academic literature movie and TV piece televise licence ".

除此之外，该通知还规定，互联网视听节目服务单位传播的影视剧，必须符合广播电影电视管理的有关规定，依法取得广播影视行政部门颁发的《电影片公映许可证》、《电视剧发行许可证》或《电视动画片发行许可证》；传播的理论文献影视片须依法取得广播影视行政部门颁发的《理论文献影视片播映许可证》。

The representative minority cultural relic-pottery relic of Buyi minority and the two wooden masks is taken as the research object. Firstly, Hiscanner laser scan detector was adapted for data collection, and then obtain point cloud data which could be recorded on disc for permanent saving was obtianed; Furthermore, the new popular reverse engineering software Geomagic for some disposals of point cloud data was adopted in data condensing, data mending, data filtering, feature line picking up to obtain NURBS surfaces; and then the error between the reconstructed CAD model and the point cloud data was evaluated to guarantee the precision of surface reconstruction to keep the relics keep its original appearance. In the end, the NURBS surfaces are imported to 3D software Solidworks and entities of CAD are generated by surface sewing, mold loft and ablating and other instructions.

选用有代表性的贵州少数民族文物―布依族酒壶、水壶以及木制傩戏面具作为研究对象，采用Hiscanner激光扫描测头对其进行数据采集，扫描得到的点云数据可刻录到光盘上作为文物数据永久保存；更进一步地，采用目前流行的逆向工程软件Geomagic studio对点云数据进行数据精简、数据滤波、数据修补、提取特征线等处理后得到NURBS曲面；为保证曲面模型重建的精度，在曲面重建模型后对其误差评价，通过控制误差的方式指导曲面模型重建，使重建的文物曲面模型能真实完整地反映原状；最后，在功能强大的三维造型软件Solidworks中导人重构的NURBS曲面进行曲面缝合、放样等，将其生成实体CAD模型，并对模型的局部特征进行适当的再设计以实现文物实体模型的优化。

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。