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We calculate its radialization correction and make the correlative discussion,obtain the cross section of electron-antielectron collision under chain approximation,and compare the tree-level cross section with the cross section under chain approximation.

对其辐射修正作了相关的计算和讨论，从而得到了电子-正电子碰撞在链近似下的散射截面，并与最低阶的散射截面作了比较

The results showed that there were differences among treatments in transformation of high quality gene(Glu\|D 1 5+10) in F 1 grains, and heterozygous type was more frequently appeared in the treatment of irradiation. In the F 2 segregative population, heading date deviated to early\|mature parent in the treatment of reciperocal cross and its combination with irradiation, indicating that cytoplasm and irradiation could promote the heading. In F 3 the expressive frequency of (5+10) gene in the cross was lower than that in reciperocal cross, and irradiation treatment could raise the expressive frequency of(5+10) gene. These results showed varience in different crosses.

结果表明，不同组合处理间F1籽粒优质亚基(Glu D15+1 0 )的转化存在差异，辐射处理的多以杂合型出现。F2 分离群体中，反交及反交结合辐射处理的抽穗期明显倾向于早熟的亲本，细胞质与辐射具有促进抽穗期的作用。F3 植株Glu D15+1 0亚基的表达频率，不论是哪种组合，反交时 5+1 0亚基的表达频率高于正交；无论正交还是反交，辐射处理提高了 5+1 0亚基的表达频率，而且在不同组合间存在差异。

Cross Stitch Tennessee Volunteers Cross Stitch Design Tennis Needlework Terrance Nolan Cross Stitch ...

交叉缝合田纳西志愿者交叉缝设计网球needlework顿诺兰交叉缝合。。。

The cold Australia land always corresponds to strong Australian High or frequent cold air activities,which is favorable to the formation of strong cross-equatorial flow;The cold underlaying surface to the south of channel always corresponds to weak Walker circulation,which is also favorable to the formation of strong cross-equatorial flow;The warm Indo-China peninsula and cold South China Sea,as well as the strong heat source near the Philippines,all can correspond to strong convergence zone in north hemisphere,which is favorable to the formation of strong cross-equatorial flow.

冷澳洲大陆通常对应强澳高或频繁冷空气活动，其有利于强越赤道气流的形成；通道南部下垫面偏冷通常对应弱Walker环流，其有利于强越赤道气流的形成；偏暖中南半岛下垫面—偏冷南海下垫面、菲律宾附近强热源多对应北半球较强辐合带，它们都有利于强越赤道气流的形成；弱越赤道气流对应的强迫因子及环流因子的特征则与上述相反。

The GCA and SCA between various parents and cross combinations were significantly different. The GCA effect value of 582 was the highest in these three traits. The sum of breeding value and SCA of cross combination 582×Kangda was significantly superior to other combinations in amount of cocoon crop and cocooning rate to newly hatched larvae. The best cross combination of breeding value and SCA was 582×9906 in thousand-cocoon weight.

供试亲本间及各组合间的GCA和SCA差异较大，其中亲本材料582的产茧量、千粒茧质量及收蚁结茧率3个性状均表现出最高的GCA效应值；杂交组合582×抗大的产茧量和收蚁结茧率的育种值与SCA之和明显地优于其他组合，千粒茧质量的育种值与SCA之和最优的组合为582×9906。

Cross-stitch everyone can do indeed is the simple life art, because it has a fixed cross-stitch design and color, even if you have never touched a needle, also do not know to color painting, or too sensitive, so the method can easily master embroiders, embroidered work, it is the charm of cross-stitch.

十字绣的确是人人都可以做的简单生活艺术品，因为它有固定的十字绣图案和颜色，即便你从来没有碰过针线，也不懂得画画，或对颜色不太敏感，照样能轻松掌握绣的方法，绣出自己的作品，这就是十字绣的魅力所在。

PAA/PVA IPN hydrogels were prepared by a sequential method by which acrylic acid firstly. polymerizes and cross-links in PVA/water solution with UV irradiation,then PVA physical cross-linked hydrogels are formed in cross-linked PAA networksby freezing-thawing. The orthogonal test design method was used to optimize theexperimental conditions based on the mechanical and swelling properties of thehydrogels. The effect of the PAA and crosslinking agent contents on the microscopicmorphology of the PAA/PVA IPN xerogel was investigated by transmission electronmicroscopy, and on the mechanical properties of the hydogels was studied bymeasurements of mechanical properties.

针对水凝胶强度、生物相容性和刺激响应性的需要，选择了以PVA和PAA为复合水凝胶的基本分子结构；采用顺序IPN方法制备PAA／PVA IPN水凝胶，即将单体丙烯酸与PVA溶液共混，AA经紫外光辐射聚合交联在PVA溶液中形成PAA化学交联网络，再经冰冻—解冻循环过程在PAA网络内形成PVA物理交联网络。

Cross Stitch Kits And Cross Stitch Books Help You To Learn The Art Of Cross ...

跨缝包和交叉缝合的书籍，帮助你学习艺术的跨。。。

Fabric , DMC Floss ,Tapestry Needle Downlaod Patterns 5KG's Crafts Plastic Canvas How to Cross Stitch DMC Floss , Cross Stitch , Plastic Canvas How to cross ...

织物，公契的牙线，绣针立即下载模式五公斤的工艺品塑胶帆布如何交叉缝合公契的牙线，交叉缝合，塑胶帆布如何跨。。。

The problem of Drawing Cross Section in road CAD is discussed in this paper. Using ObjectARX programming technology implements Cross Section's Automatic Drawing and Interactive typesetting. This method improves efficiency of Drawing Cross Section.

针对当前路线CAD系统中绘制横断面图存在的问题，在AutoCAD环境中利用先进的ObjectARX技术实现了横断面图的自动绘制和交互排版，极大地提高了横断面图的绘制效率。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。