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Hystrix canopy declined slightly at the midday, suggesting the occurrence of reversible photoinhibition. Owing to the lower maximum net photosynthetic rate in sun leaves and the ability to effectively and consistently utilize the scattered light and/or transmitted light, C. hystrix saplings could survive low light intensity, grow well at the edge of the forest and in the understorey, and eventually become one of the dominant species in upper layer of the community.

刺栲冠层阳生叶的最大光合能力比较低，整个冠层叶能高效而稳定地利用散射和透射光，这些特征使得常绿的刺栲幼树能在林边或林下良好生长，较好地适应不同的光环境并成功渡过幼苗期，最终成为群落中的上层优势种。

Results The new system is established, on the one hand it can be made evidence-based in the purchasing process and on the other hand it can be limited to same species and wash out inadaptable manufacture.

结果：新增医用耗材审批制度，一方面可以使采购过程有据可依；另一方面引进必要的新产品，限制同类或淘汰不能适应的产品。

Natural Substantive Colours.—Indigo, one of the most valuable dyes, is the product of a large number of plants, the most important being different species of indigofera, which belong to the pea family.

天然直接染料——最宝贵的染料之一的靛蓝，是多种植物所产生的，其中最重要的是属于豌豆科靛蓝属中一个特殊的品种的植物。

As we know, spiro-conjugated compound 1',3',3'-trimethyl-6-hydroxyspiro[2H-1-benzopyran-2,2'-indoline] is one of thesignificant photochromic species, the structure and spectrum ofthe compounds 1',3',3'-trimethyl-6- hydroxyspiro[2H-1-benzopyran-2,2'-indoline] and its isomers have studied.

三。研究了一类重要的光致变色物质之一螺旋共轭化合物1′，3′，3′-三甲基-6-羟基螺旋[2H-1-苯并吡喃-2，2'-二氢吲哚]及其光异构化产物的结构、光谱，并在此基础上，用完全态求和公式自编程序计算了非线性光学系数。

Davidia involucrate, a relic species of paleotropical kingdom in Tertiary period and belonging to Davidiaceae with a single genus, is one of the first-class protective plants in China. In this paper, a pot culture experiment with quadratic general rotation design was conducted to study the effects of CaCl2, salicylic acid, and a water-retention agent on the drought resistance of D.

采用二次回归通用旋转组合设计，对国家一级保护珍惜植物珙桐幼苗进行盆栽控水试验，研究了水分胁迫下氯化钙(CaCl2)、水杨酸和保水剂对珙桐幼苗抗旱性的影响。

About 60 species from South East Asia to the Pacific region.Very small quantities imported,and only a piece or teo mixed in one vessel from Solomon,Irian Jaya and west Kalimantan.Though named boxwood,quite different from Japanese box wood.

近60种﹐分布区域由东南亚至大洋洲﹐少量进口﹐主要多由所罗门群岛、伊里安岛及西加里曼丹进口﹐该树种虽称之为黄杨木﹐淡实际上与其他黄杨木截然不同。

In their new work, the researchers established a genetic connection between male sexuality of an oogamous multicellular green algae species, Pleodorina starrii, and one of the mating types of its isogamous ancestor, the unicellular alga Clamydomonas reinhardtii.

在这项最新研究中，研究人员让一种异配生殖多细胞绿藻（Pleodorina starrii藻）与其同配生殖单细胞祖先（Clamydomonas reinhardtii藻）的其中一种配子类型进行雄性配子结合，从而建立两种藻类的遗传学联系。

Pterocarya stenoptera, belonging to the Juglandaceae family, is one of the mainlycultivated tree species in the middle and lower reaches of the Changjiang River in China,as well as an important native tree in Hubei province characterized with fast growth andstrong adaptabilities.

枫杨属胡桃科枫杨属，生长迅速、适应性强，是我国长江中下游主要栽培的树种之一，也是湖北省重要的乡土树种。

It showed that DNA vaccine pcD-flaB has better efficacy and safety ,may serve as one of new hopeful vaccine in future ,lipL32-based PCR is hopeful for diagnosis of pathogenic Leptospira species.

以上结果表明DNA疫苗pcD-flaB具有较好的免疫保护性和安全性，有望用于钩体的预防：基于lipL32基因的PCR方法有望用于致病性钩体的诊断。

Leucaena was introduced to Taiwan by Dutchmen in sixteen century. It is one of the notorious invasive tree species in Taiwan.

银合欢於16世纪引进台湾，目前被名为重要外入侵植物，在部分地区甚至以纯方式出现。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。