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Toxicity of 26 nitro-aromatic compounds to cyprinus carpio L.
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本文报告了26个硝基芳烃大对鲤鱼(Cyprinus carpio L)的急性毒性,应用LSER法得出了相关关系显著的QSAR方程。 |
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This experiment was conducted to study the effect of cadmium on serum gonadal hormones levels in growing gilts fed either a corn-soybean diet or diets added 10.
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本试验以“杜长大”三元杂交猪为研究对象,研究了重金属镉对雌性生长猪血清性腺激素水平的影响。 |
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Protease,amylase and lipase activities in intestine and liver were determined to evaluate the effects of Saccharicterpenin on digestive enzymes activities of carp.
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本试验测定了饲养30d鲫鱼的肠道和肝胰脏中蛋白酶、淀粉酶和脂肪酶的活性。 |
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The experiment adopt bentonite load chitosan flocculating abstracting in order to remove the tannide and other impurities in scutellaria dip solution, and remove macromolecule materials as protein by using semipermeable membrance.
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本实验用膨润土负载壳聚糖絮凝提纯,以除去黄芩浸液中的鞣质等杂质;用半透膜再次提纯去除蛋白质 等大分子物质。 |
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Isolation of Tannase-producing Bacterias from Leaves of Banana and Tea;
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本实验从香蕉茎叶、茶叶及香蕉土壤、茶土壤环境中经初筛和复筛分离纯化出16株产单宁酸酶的菌株,对其菌株的外在特性和产酶活力进行了研究和测定。 |
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Layered structure has been found (or could be deduced) upon the TEM observations from both cross section view and plane view specimens.
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本论文的第一部分，是分别制备平面和截面电镜样品，并利用电子显微镜研究钛合金表面生长的羟基磷灰石的结构。 |
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Plants Scenery Concise Design in Northern Winter;
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北方冬季植物配置与造景的简约设计 |
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Problems in potted flower culture and technical measures in north China;
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北方冬季盆栽花卉常见问题及管理对策 |
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Farmers response to water shortage in North China;
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北方地区农民对水资源短缺的反应 |
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Analysis on water saving agricultural regime safeguards in northern area;
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北方地区节水农业的制度保障措施探析 |
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Research on Design of Board Style High-Rise Homebuilding in Northern Area;
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北方地区板式高层住宅设计研究 |
