甲

Spawn, larva, chrysalides and imago can grow up naturally, so the natural growth of neocheting eichhorniae would not be affected by high altitude in Kunming.

象甲在昆明地区一年发生2~3代，卵，幼虫，蛹和成虫均可正常生长发育，高海拔并不影响象甲的自然生长。

The aim is to infer the phylogenetic relationships of Galerucella and outgroup Phaedon brassicae Baly beetle species (Coleoptera: Chrysomelidae) and to discuss the relation between the evolution of Galerucella and host plant.

本文目的是通过对小萤叶甲属部分种类的线粒体COⅠ基因进行比较，探讨小萤叶甲属昆虫进化与寄主植物之间的关系，同时对几种分类地位模糊的昆虫进行分析和归类。

The cabbage beetle, Colaphellus bowringi Baly (Coleptera: Chrysomelidae) is a serious pest of crucifers in China. Being material, this paper studied it's biological characters of Shandong population, the ecological adaptability of different geographic populations.

大猿叶虫Colaphellus bowringi Baly属鞘翅目Coleptera，叶甲科Chrysomelidae，无缘叶甲属Colaphellus，是我国十字花科蔬菜上的一种重要食叶害虫。

Result and Conclusion :All of them and their different dosages were effective to control conidia of Peronospora arborescens.

结果和结论：室内药效测定结果表明不同浓度的供试药剂均能使孢子囊出现畸形，其中以普力克对孢子囊的致畸能力最强，甲霜铜、甲霜铝铜和靠山对孢子囊的致畸能力较弱。

Recording electrode was placed on the scalp near the olfactory bulb. Results Electrically evoked olfactory potentials composed of triphasic negative-positive-negative peaks, named N1, P1, N2 respectively, were detected on the olfactory region. The latencies of N1, P1, N2 were 16.27ms, 25.36ms, 49.75ms respectively in cribriform plate.

结果 电极置于筛板和鼻甲嗅区粘膜可记录到一组&负-正-负&三相的诱发电位波，依次命名为N1、P1、N2，当刺激强度为2.0 mA时，筛板粘膜诱发电位的潜伏期分别为16.27、 25.36、 49.75 ms；鼻甲嗅区粘膜诱发电位的潜伏期为20.29、31.31、 46.83 ms。

Make a transverse skin incision (2 cm, not too long) over the cricothyroid membrane, and carefully incise through the membrane transversely.

、于环甲膜上做一横行皮切口（2cm左右，切口不要过长），然后小心切开环甲膜。

The influences of polymerization conditions such as the dosage of cyanobenzene, catalyst, co-catalyst and polymerization temperature on the polymerization (gelation time and monomer conversion) and the swelling value of PDCPD were investigated.

考察了主要反应条件如苯甲腈的用量、聚合反应温度、主催化剂的用量和助催化剂的用量等对聚合反应速率、聚合反应转化率和PDCPD膨胀值的影响，并得到了最优的聚合反应条件：苯甲腈与WCl_6的摩尔比为3，聚合反应温度为70℃，DCPD与WCl_6的摩尔比为1500，Et_2AlCl与WCl_6的摩尔比为11。

Methods:The Caco-2 cell monolayer model was used to study the bi-directional transport of daphnetin and the effects of time,temperature,pH,drug concentration and P-gp inhibitor on the daphnetin absorption.Drug concentration was measured by HPLC and the apparent permeability coefficients were calculated.

采用Caco-2细胞单层模型研究祖师麻甲素的摄取和跨膜转运，采用HPLC法检测药物浓度，计算其表观渗透系数，考察时间、温度、pH值、药物浓度以及P-gp抑制剂对祖师麻甲素吸收的影响。

The results show that the foamable MAA/MAN copolymers were prepared at 40-60℃ by polymerizing the mixture of 50phr MAA, 50phr MAN, 1-5phr magnesium oxide, 2-8phr butanol and tert-butanol, 0.2-0.3 phr dibenzoyl peroxide and tert-butyl perbenzoate and 0.1-0.2phr DMF. Then the resulting copolymers were expanded at 200-220℃ for 2-3h, subsequently treated at 160℃ for 5-6h, generating PMI foams with excellent mechanical properties and heat-resistance.

研究结果表明：将50份MAA、50份MAN、1~5份氧化镁、2~8份正丁醇、叔丁醇的混合物、0.2~0.3份过氧化二苯甲酰和过氧化苯甲酸叔丁酯和0.1~0.2份的甲酰胺，混合均匀后在40~60℃聚合为可发泡的MAA/MAN共聚物，该共聚物在200~220℃下发泡2~3h，在160℃下热处理5~6h，制得PMI泡沫塑料，其力学性能和耐热性能优异。

This work, concentrated on the asymmetric allylation of aldehydes controlled by different chiral auxiliaries prepared from rotational pure tartaric acid, can be divided into three parts.The first part aims to review the developments of chiral drugs and asymmetric synthesis, from which derived the present research topic backgrounds and works.Synthesis and applications of allylation from aldehydes are the second part of the thesis. By optimizing the reaction conditions, such as solvents, temperature, time and chiral auxiliaries like N,N\'-dibenzyl tartamide, N,N\'-p-dimethylphenyl tartamide, N,N\'-o-dimethylphenyl tartamide, N,N\'-o-dichlorophenyl tartamide, N,N\'-a-dinaphyl tartamide, N,N\'-dicyclohexyl tartamide and N,N\'-diphenyl tartamide, ideal experimenttal conditions are obtained according to HPLC monitoring, as well as the auxiliaries\' recoveries experiments. Starting from benzaldehyde and 3-bromopropaldehyde, N,N\'-dibenzyl tartamide is considered the best auxiliary in this reaction.

本文介绍了醛的不对称烯丙基化反应，以光学纯酒石酸为原料，研究了不同构型手性配体在醛的烯丙基化反应中的立体选择性，全文共分三部分十个章节：第一部分对当前手性药物和手性技术进行了概述，并由此展开了本文的研究背景和任务；第二部分为有机合成部分，对醛的不对称烯丙基化反应进行了深入探讨，以苯甲醛为原料对反应条件进行优化，在优化的反应条件下对制备的七种可回收手性酰胺配体(N-苄基酒石酸二酰胺、N-对甲苯基酒石酸二酰胺、N-邻甲苯基酒石酸二酰胺、N-邻氯苯基酒石酸二酰胺、N-a-萘基酒石酸二酰胺、N-环己基酒石酸二酰胺和N-苯基酒石酸二酰胺)进行筛选，优化配体回收实验条件，最终确定出N-苄基酒石酸二酰胺在苯甲醛的不对称烯丙基化反应中具有较大优越性，结晶回收的手性配体光学纯度保持不变。

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。