介虫

Tumefaciens mediated transformation using cotyledonary node as explants was optimized; 3 methods including cutting chapiter, ovary injection and chapiter spreading for pollen tube pathway was compared. Cutting chapiter and ovary injection can both achieve insect resistant gene tranformants.

优化了以子叶节为外植体的农杆菌介导转化技术；比较了切割柱头、子房注射和子房涂抹3种花粉管通道法处理授粉后黄瓜子房的转化效果，切割柱头和子房注射均可成功获得黄瓜抗虫转基因植株。

Recently,due to the development of coccidiosis immunity researcb,ccli-mediated immunity is considered a protective role against coccidia infection.

近年来，随着鸡球虫病免疫机制研究的深入，T细胞介导的细胞免疫被认为具有保护作用。

Hybrids of carbonate and terrigenous sediments Carbonate with terrigenous sediments are of characteristic from Emsian to Eifelian in stable shallow-sea faciesregion in Longmenshan area, and they can be classified evidently into hybrid Ⅰ and hybrid Ⅱ(Jingbaoshi-type). Type Ⅰ produced in mud shelf setting occupied hundreds of tempestite beds in which bottom cast、 hummocky cross bedding sandstones、 coquina were inter-beddded with shales that beared a great deal of verm traces、 bioturbations、 benthic communities dominative of brachiopods. Type Ⅱ in sand-mud-marl shelf was characterized by high-energy foreshore sandbeach facies and shelly bank facies.

碳酸盐与陆源碎屑混合沉积方面对微相、相特征、旋回样式、沉积机理研究表明，龙门山地区泥盆纪稳定浅海相区Emsian期和Eifelian期混合沉积十分发育，颇具特色，明显可以划分为两种类型：混积Ⅰ型，泥质陆棚背景下发育风暴沉积组构，幕式风暴期产生具丘状层理、底流冲刷构造的钙质砂岩、介壳岩，平息期则形成具大量虫管和生物扰动的深灰色、黄绿色页岩及海百合茎灰岩，腕足动物等大量繁盛；混积Ⅱ型，砂泥灰质陆棚背景下以发育高能前滨沙滩及生物介屑滩为特色，近滨至陆棚的砂泥灰互为混合，三者比例接近，肉眼难以区别确切岩石类型。

In the experiment, two partly modified insect-resistant genes were transferred to the triploid hybrid of Chinese white poplar (Populus tomentosa Carr.譖opulus bolleana Louche譖opulus tomentosa Carr.

本项目研究了用部分改造的 BtCry1Ac基因与慈菇蛋白酶抑制剂基因构建的双抗虫基因表达载体通过农杆菌介导法对三倍体毛白杨的转化及对转化后植株体内残存农杆菌在继代培养和移栽过程中进行了跟踪检测。

Study of the Ostracod of Taiwan

研究台湾的介形虫化石。

The characteristic of Mg/Ca and Sr/Ca of ostracod shell geochemistry and sedimentology of the measured section located in the Tongtianhe basin reflects that during 23.8~21.8 Ma B.P., the evolution of the climate in the area experienced the course from wet and wet to dry, at last to warm and wet.

通天河盆地五道梁组地层中的介形虫壳体的Mg/Ca和Sr/Ca数值的特征，结合剖面岩性特征，反映了23.8~21.8Ma前该湖泊区域气候由湿润－干旱―暖湿的演化趋势。

Subclones of the hybrid 741 took on a high insect-resistant identity to the larvae of leaf pests such as Clostera anachoreta Fabricius, Lymantria dispar Linnacus, Hyphantria cunea Drury ect., and the mean death rate of the grubs were all above the 85%, furthermore, the grubs' growth which survived could be restrained and the growth rate was reduced so that they couldn't tie cocoons as the usual.

项目简介：转双抗虫基因741杨是将部分改造BtCryIAc 基因与慈菇蛋白酶抑制剂基因，通过农杆菌介导法转化了优良白杨杂种741杨，并获得了一批具有高抗虫性无性系，对舞毒蛾和杨扇舟蛾，美国白蛾等鳞翅目幼虫死亡率达85%以上，并能抑制存活幼虫的发育，使其不能正常化蛹。

Many methods for sample preparation have been applied in stable isotope measurements of ostracode shells from lake sediments.

在总结目前常用的湖泊生物碳酸盐稳定同位素测试样品处理方法的基础上，通过对青海湖现代和古代沉积物中介形虫的测定，讨论各种处理方法对介形虫壳体稳定同位素测试结果(δ13C和δ18O)的影响。

According to the zooplanktonic species composition and it's distribution in the coral reef lagoons from Nansha Islands, these zooplankton may be distinguished into three groups

栖息在珊瑚礁外的种类，它们随海流或潮流进入潟湖，它们是上层种，属於终生浮游生活的。例如浮游桡足类，浮游放射虫，浮游有孔虫，大眼端足类，箭虫，住囊虫，浮游介形类和浮游幼体等

Although same belongs to front delta facies zone, and the foregoing reasons, the north depositional system controlled areas sediment smaller grain size, mostly siltstone, shaly siltstone (or a variety of calcium-pelitic siltstone) and mudstone portfolio, and there are lots of ostracods in these lithology, some ostracods formed stratigraphy, and north-west of the lithology of depositional systems is correspondingly more coarse, coarse pebbly, coarse sandstone and fine sandstone, and so on.

虽然同属三角洲前缘相带，但由于前述原因，造成北部沉积体系控制的地区沉积物粒度较细，多为粉砂岩、泥质粉砂岩和泥岩组合，且上述各种岩性中介形虫含量特别多、还有部分成层介形虫；而西北沉积体系控制的沉积物的岩性则相应粗得多，甚至有很多井钻遇砾岩、含砾粗砂岩、粗砂岩等粒度较粗的岩性。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。