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In cucumber, Przyborowski and Niemirowicz-Szczytt (1994) also reported found that the number of embryos developing into haploid plants was is higher in the summer than in the spring- . In summer the total number of embryos per fruit was higher than in the spring and in summer, amounted at to 2.51, in comparison with compared to 0.69 in spring, while the total number of embryos obtained from 100 seeds was 1.66 in the summer season and onlyas compared to 0.31 in spring. Çağlar and Abak (1999b, c) reported found that a higher number of haploid cucumber plants was were derived from the embryos that were cultured from May to September than from the ones those cultured in other periods of a year at other periods throughout the year; . What’s more, the highest number of cucumber haploid plants resulted were possible in June and July. Similarly, parthenogenic embryos of cucumber was induced during the months of May through July, with no differences wtihin thsi period are consistent compared to other times of year(Claveria et al. 2005). In squash, the largest number of embryos per fruit was can be obtained in September (17.3) and June (27.7) respectively (Kurtar et al. 2002). In the case of), and for watermelon, pumpkin, and winter squash, a positive influence of the spring season has positive influence on haploid embryo the yield of haploid embryos was as observed by Gürsöz et al. (1991), Kurtar et al. (2009), and Kurtar and Balkaya (2010), respectively.
Furthermore, plant vigourPlant vigor also seems to play an important role in the induction of haploid embryos. Sauton (1988) and Cuny et al. (1993) found that the vigour and physiological state of parental plants was are important for the successful formation of melon haploids, and Košmrlj et al. (2014) found that germinability of cucumber pollen irradiated at room humidity was is generally lower than that of pollen irradiated at high humidity.



摘要  目的    调查分析健康教育处方在MRI平扫检查中的应用价值。方法 将福建省某三级甲等医院首次行MRI检查的240例检查者随机分为实验组和对照组,实验组于病史评估后给予个性化 健康教育处方,对照组给予标准检查前宣教然后采用贝克焦虑量表(BAI)评定两组焦虑情绪并进行分析比较。
Abstract  Objective    This study investigates the effect of psychological nursing intervention on the patient anxiety regarding MRI scan procedures. Methods: 240 patients preparing to undergo MRI examination were randomly divided into experimental and control groups, which were administered either under individualized psychological nursing intervention or general nursing intervention. Patient responses were assessed using the Beck Anxiety Inventory (BAI).

以十八烷基胺修饰的氧化石墨烯和热塑性聚氨酯为主要材料,采用溶液浇注与热压工艺制备了热塑性聚氨酯/功能化石墨烯(TPU/GO-ODA)复合材料。考察了GO-ODA的热稳定性能、 导电性能,分析了GO-ODA对TPU/GO-ODA复合材料的导电性能、热稳定性能、结晶与熔融行为和拉伸-电阻敏感性的影响。
Thermoplastic polyurethane/octadecylamine-functionalized graphene (TPU/GO-ODA) composites were prepared with octadecylamine (ODA)-functionalized graphene oxide (GO-ODA) and thermoplastic polyurethane (TPU) via solution casting and compression molding. The thermal stability and electrical conductivity of GO-ODA were examined and the effects of GO-ODA on electrical conductivity, thermal stability, crystallization, melting behavior, and resistivity-strain sensitivity of the composites were investigated.

控制加载爆炸填石挤淤筑坝方法为本世纪初在中国首创,主要用于浅海滩涂深厚淤泥地层上防波堤的修建,所筑堤坝的特点是大埋深和断面形状复杂。尽管采用该法修 筑的爆炸挤淤堆石坝已超过100公里,但是目前还缺乏有效方法来分析这类堆石坝的滑动稳定性和工后沉降。
The controlled-loading-blasting toe-shooting method (CLBTS-Method) is originally developed in China at the beginning of this century, and mainly used to build nearshore groynes located in deep silt layer. As its feature, this kind of groyne has a big buried depth and a complex cross-section. Although more than 100 km groynes have been built by the CLBTS-Method, the proper methods for analyzing the slope stability and predicting post-construction settlement of such kind of groyne are not found at present.



In recent years, there has been increasing interest in the analysis of radiative transfer in multidimensional absorbing, emitting, and scattering media with collimated irradiation. By collimated irradiation we mean external radiation that penetrates from the outside into a participating medium (as opposed to emission from a bounding surface), with all light waves being parallel to one another (or approximately so).
当准直辐照施加于多维介质时,射线会受到吸收、发射和散射。近年来,对于此类辐射传输方式的分析受到越来越多的关注。准直辐照意味着从外部进入介质(而从边界面向外发射的方式与此相反) 的所有辐射波平行(至少近似如此)。

Unfortunately, consideration of spectral variations of radiation properties tends to considerably increase the diculty of an already extremely dicult problem, or at least make their numerical solution many times more computer-time intensive. All solution methods discussed thus far, whether exact or approximate, are poorly suited for the consideration of nongray properties.
然而,考虑波谱辐射特性的变化往往相当于把一个已经极其难的问题又增加了难度,至少是把数值解的计算机演算时间增加了数倍。迄今为止所有讨论过的解决方案,无论是精确的还是近似的, 都无法顾及到非灰介质的辐射特性。

In our analyses of radiative transfer in participating media we have, up to this point, always assumed that there was no interaction with other modes of heat transfer, i.e., we have limited ourselves to cases of radiative equilibrium and cases of specified temperature fields.


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  • 超五星大好评!因为马上要交论文时间很紧迫, 跟客服说明情况后非常及时的处理了稿件,效率简直不要太感人,编辑改的也很用心。墙裂推荐!

    2016年08月19日 16:40

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  • 不错,连实验的漏洞都提出来了
    2016年07月18日 17:09

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  • 修改的真的很好,已经合作两次了,马上第三次,很好的平台,真心希望需要的客户选择这里,不会让您失望的!
    2016年03月17日 15:44

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