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The suitable layout under some certain conditions of highway and city is recommended in accordance with the impact of highway on bourgeon of city ; quoting the theory of spider network construction , the dissertation demonstrated the optimized number of city entrance and exit fit for the formation and scale of city ; the obtained conclusions are confirmed by three related samples of eastern city

第一部分从出入口道路与城市形态相关性入手,论述出入口道路与城市发展关系;通过公路对城市发展影响的分析,提出公路与城市合理的连接形式及适宜条件;利用蛛网结构理论,得出适合大城市规模和形态的最优出入口数量;以东部三个大城市为实例,论证上述相关问题。

Study on the rapid Propagation Technique of Lycoris. Herb and get follow results: In the period found of axenic clone 0.1%HgCl2 is the best disinfector to deal with the Lycoris" bulb ,as to neat part, such as root, leave, and bulbil, is fit to use 0.1%HgCl2 antisepsis 7min. And found the best effect is the bulb scale with base. Root, leaf and bulb scale without base all were not inducement adventitious buds. Different position of bulb had different culture effect. 3-15 of middle part of bulb can be induced most adventitious buds but inner and outer of least it. Incised the bulb with three types (pieces of eight, pieces of six, piece of four), and found the type of pieces of six is best to Lycoris mass production. L.sprengeri is fit MS+BA5mg/l+NAA0.1mg/l and L.squamigera is fit MS+BA5mg/l+NAA0.5mg/l, but the medium fit to culture L.longituba haven"t be found.In the period of Subculture-Found of mass production, the most multiplication of adventitious buds in MS+BA5mg/l+NAA0.5mg/l during subculture of L.sprengeri, L.squamigera.

石蒜属植物快速繁殖技术研究中,在无菌无性系建立阶段:鳞茎以0.1%HgCl_2消毒10-12分钟效果最好,而叶、根尖、鳞芽等较干净部位选用0.1%HgCl_2消毒7分钟;用三种石蒜属植物的叶片、根尖、鳞芽及带基盘与不带基盘鳞片进行培养,以带基盘鳞片诱导分化效果最理想,鳞芽易培养出芽,但数量有限,而叶片、根尖与不带基盘鳞片均未诱导分化;带基盘鳞片为石蒜属植物快速繁殖最佳外植体,以鳞茎中部3-15层芽诱导率高,较外层稍次之,内部鳞片诱导率最低;选用八等分法、六等分法、四等分法切割鳞茎,六等分法综合效果最好;每外植体带三鳞片培养最为适宜;三种石蒜属植物各自适合的培养基成分不同,换锦花在MS+BA5mg/l+NAA0.1mg/l中培养效果最好,夏水仙为MS+BA5mg/l+NAA0.5mg/l,而白花长筒石蒜在各培养基组合中培养效果均不理想,其适合的培养条件有待于进一步研究。

The results showed that Candida sp.lipase was the best lipase,the mixture of tert -butanol and DMSO (2∶3,vol) was the most suitable media for the reaction,and the appropriate reaction temperature was 30℃.

的催化活性最好;叔丁醇和DMSO组成的混合溶剂(体积比为2∶3)为最合适的反应介质;30℃为适宜的反应温度。

On the other hand, with the theory of circular economy and continuable development brings out, people pay more attentions to the disposal of the MSW which is available as resourse. As a result, the research on condign disposal of MSW is very significative for the recycle when the MSW has been disposed harmlessly.

另外,随着循环经济和可持续发展理论的产生,人们对生活垃圾处理更加注重资源化,因此,研究适宜的垃圾处理技术路线,使生活垃圾在无害化处理的前提下得到最大程度的利用,已成为十分有意义的课题。

The popular minimum convex hull algorithm is not fit for processing mass data due to its big time complexity.

当前流行的最小凸包算法的时间复杂度相对较大,不适宜处理海量数据。

The seedling age was different for the highest rate of cotyledon organogenesis and for the greatest biological effect of BA.

子叶器官发生的适宜苗龄和BA生理影响幅度最大的苗龄是有区别的。

On theoretical grounds, the maximum efficiency of energy conversion is believed to be between 25% and 30%. There is an upper limit, and it has been achieved in certain plants for brief periods of time under optimal conditions.

从理论上来说,能量最大转换效率被认为能达到25%-30%,有一个上限,并且在适宜环境条件下,某些植物在较短时间内达到了此上限。

2 Expand what achieve tall economic benefits to cover with tiles as A the fruiter that carry a county grows an area with high grade fruit gradually, fruit total output rises stage by stage, the market competes inevitable more and more intense, the most essential competition that will be fruit quality, cheap fruit is difficult on fruit market in recent years sell.

在适宜区域栽培,优良品种具有时效性、地域性和专用性,即一个品种在一定时期内可称为优良品种,以后又有更多的品种出现时,它将被取代。1.2 以优质果品创高经济效益随着阿瓦提县果树种植面积的逐渐扩大,果品总产量逐步上升,市场竞争必然越来越激烈,最根本的将是果品质量的竞争,近年来果品市场上低档果品难卖。。。

As this is of all cases the most important in practice, none can be fitter to test the general maxim.

这本是实践方面最重要的一宗情事,没有比它更适宜于考验普遍性的格言的了。

Meters above sea level grassland, the plateau is continental monsoon type climate, characterized by short spring and autumn when the winter of long, no wind, no heat in summer, cool and pleasant, the average July temperature of 17.4 ℃, the hot weather will not exceed 24 ℃, suitable for Summer summer, grass abundance from June to September, this period is the golden season of tourism grassland.

草原海拔1400米,属大陆季风型高原气候,特点是春秋时短,冬季偏长,夏季无风无暑,清凉宜人,七月平均气温17.4℃,最炎热的天气也不超过24℃,适宜消夏避暑,丰草期从六月至九月,这一时期是草原旅游的黄金季节。

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推荐网络例句

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

When you click Save, you save the file to the host′s hard disk or server, not to your own machine.

单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。