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The kinectics characteristics of the nonexchangeable potassium release from the soil in Shaanxi is investigated with the Hsaturated resin absorbing method.

采用H饱和树脂吸收法研究了陕西6种土壤非交换钾释放的动力学性质。

The kinectics characteristics of the nonexchangeable potassium release from the soil in Shaanxi is investigated with the H-saturated resin absorbing method.

黄土性土壤中，非交换钾占植物可利用钾的86.0%～94.0%［1～3］，非交换钾主要指粘土矿物层间固定钾。

The results indicate that:① The quantity and velocity of the nonexchangeable potassium release from the loess soils are alike to sand soil,and are higher than the dark brown forest soil.

黑麦草、水稻和大米草生物耗竭试验证明，生物吸钾量中23.4%～87.0%的钾素来自层间钾，非交换钾是土壤钾库中对作物钾营养起重要作用的组分［4～6］。

In the case of individual fade, may be cooling temperature high, try still fade, laymch pigments buyang. overproof to lead and cadmium in colorful paper above business card printing and membership card to make a layer mask for the corresponding series of oil, the greater the gloss and reduce lead and cadmium release from to suitable for export requires that friendlytridion people in good health.

如个别磨灭，不定是温量矮了，降温试烧仍磨灭，需保持颜料补印；铅、镉超标可在花纸底下制卡和会员卡制作一层相答系列的罩油，既可提矮画面的光华，又能贬低铅镉溶出量，以得当不进口的给求，利于人们身材残废。

Orange-spotted grouper is a benthic protogynous marine fish with sex inversion. It is one of the most important culturing fish in the southeast of Asia. As in other vertebrates, its growth is mainly controlled by growth hormone . Few data are available concerning the regulation of GH in grouper. In this paper, the regulation of growth hormone release from pituitary of orange-spotted grouper and its mRNA level was determined by radioimmunoassay and RNase protection assay.

应用分子克隆技术，构建了斜带石斑鱼生长激素(Growth hormone，GH)基因重组质粒，在大肠杆菌细胞中获得高效表达，亲和层析纯化斜带石斑鱼GH融合蛋白做为抗原，免疫家兔制备特异性抗体，通过酶联免疫实验、放射免疫测定、离体脑垂体静态孵育和液相杂交／核糖核酸酶保护试验及化学发光检测技术，研究了斜带石斑鱼GH分泌及其mRNA表达的调控机制，对于斜带石斑鱼的生长、繁殖、人工养殖等具有重要意义。

Orange-spotted grouper is a benthic protogynous marine fish with sex inversion. It is one of the most important culturing fish in the southeast of Asia. As in other vertebrates, its growth is mainly controlled by growth hormone . Few data are available concerning the regulation of GH in grouper. In this paper, the regulation of growth hormone release from pituitary of orange-spotted grouper and its mRNA level was determined by radioimmunoassay and RNase protection assay.

中文题名斜带石斑鱼生长激素分泌及其基因表达调控的研究副题名外文题名 Regulation of growth hormone and its gene expression in orange-spotted grouper，Epinephelus coioides 论文作者冉雪琴导师林浩然学科专业水生生物学研究领域\研究方向学位级别博士学位授予单位中山大学学位授予日期2003 论文页码总数140页关键词生长激素基因表达石斑鱼馆藏号BSLW /2003 /Q959 /39 应用分子克隆技术，构建了斜带石斑鱼生长激素(Growth hormone，GH)基因重组质粒，在大肠杆菌细胞中获得高效表达，亲和层析纯化斜带石斑鱼GH融合蛋白做为抗原，免疫家兔制备特异性抗体，通过酶联免疫实验、放射免疫测定、离体脑垂体静态孵育和液相杂交／核糖核酸酶保护试验及化学发光检测技术，研究了斜带石斑鱼GH分泌及其mRNA表达的调控机制，对于斜带石斑鱼的生长、繁殖、人工养殖等具有重要意义。

NO is involved in the regulation of DA release from striatum during cerebral ischemia.

NO参与了缺血时纹体DA释放的调节。L-NNA抑制半球缺血时DA的不正常释放可能是其保护缺血大脑的机制之一。

Methods: The CCK 8 release from striatum were determined by microdialysis and RIA methods.

用微透析和RIA法测定半球缺血时纹体CCK－8的释放。

Therefore, we used physical mechanism trigger drug release from liposome. In this study, the small unilamellar vesicles liposome were encapsulated hydrophilic marker drug 5(6)-Carboxylfluorescein and prepared by the thin layer hydration and extrusion methods. Liposomal suspension were exposed to the magnetic field.

因此希望以物理方式驱动微脂粒药物释放，本研究以薄膜水合法与挤压法制造单层微胞微脂粒包覆水溶性药物5(6)-Carboxylfluorescein的萤光指示剂经由磁场照射，以粒径仪、界面电位仪与萤光仪发现微脂粒经由磁场照射后使得微脂粒形体改变，粒径和带电性明显变化、萤光药物释放量增加。

Classically, Ang Ⅱ is well known to cause potent increases in systemic and local blood pressure via its vasoconstrictive effect, to influence renal tubules to retain sodium and water, and to stimulate aldosterone release from the adrenal gland.

众所周知，Ang Ⅱ通过它的血管收缩效应导致系统和局部的血压增高并影响肾小管的钠水潴留以及刺激肾上腺的醛固酮释放。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。