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AbstractIn mice subjected to long uninterrupted avoidance sessions (1,500 trials) a clear decrement of performance was evident after the first 500–600 trials. 出版机构：Springer Verlag 刊物名称：Psychopharmacology 出版时间：1971 ISSN：0033-3158 数据源：报刊文摘
The elution positions of 92 ninhydrin positive compounds on a single column amino acid analyzer using Efron's buffer gradient are presented. 出版机构：Taylor & Francis 刊物名称：Analytical Letters 出版时间：1971 ISSN：0003-2719 数据源：报刊文摘
SummaryTransport of -aminoisobutyric acid (AIB) was studied in microdissected pancreatic islets of obesehyperglycaemic mice. These islets are characterized by an unusually high proportion of insulin-secreting-cells. The following main observations were made. 1. 出版机构：Springer Verlag 刊物名称：Diabetologia 出版时间：1971 ISSN：0012-186X 数据源：报刊文摘
gas chromatographic method is described for the assay of primary amino groups. The technique is a modification of the Van Slyke method, in which the N2 liberated by the reaction of primary amino groups with nitrous acid is measured by GC. 出版机构：Taylor & Francis 刊物名称：Analytical Letters 出版时间：1971 ISSN：0003-2719 数据源：报刊文摘
Treatments of P, Zn and Fe fertilizers were added to a Zn deficient Wisner silty clay loam soil. Sanilac bean plants were grown as the Zn responsive test crop and tissue samples were taken 5 weeks after planting for early growth and Zn uptake responses. 出版机构：Taylor & Francis 刊物名称：Communications in Soil Science and Plant Analysis 出版时间：1971 ISSN：0010-3624 数据源：报刊文摘
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