喷施氨基酸硒叶面肥或SOD制剂对凌枣品质的影响

以12年生凌枣为试材,进行喷施氨基酸硒叶面肥或SOD制剂试验。结果表明,凌枣果实发育期喷施4次氨基酸硒叶面肥600倍液能显著提高凌枣果实硒含量,喷施SOD制剂1 000倍液对凌枣果实硒含量影响不大;喷施氨基酸硒叶面肥600倍液或SOD制剂1 000倍液均能显著提高凌枣果实SOD活性,对改善凌枣果实品质也有显著效果。     

踏遍千山总是情——记全国五一劳动奖章获得者、湖南省林业调查规划设计院森林资源与生态环境监测中心主任 王福生

＂珍贵的灵芝森林里栽,美丽的翡翠深山里埋,假如你要认识我,请到青年突击队里来……＂上世纪80年代,《假如你要认识我》这首悠扬婉转的歌曲传遍大江南北。正是这个时候,王福生从学校毕业,被分配到了湖南省林业调查规划设计院森林调查队,开始了人生新的征程。郁郁葱葱的森林就像一望无际的海洋，给人无限的憧憬和向往。林业调查设计工作就是在这绿色的海洋中劈波斩浪，用智慧和汗水获取各项资源数据。30多年来，王福生跋山涉水，居无定所，饭无定餐，踏遍了湖南的山山水水，还到过福建、海南、西藏、湖北等10多个省市区以及柬埔寨等国家开展资源调查工作，其艰辛程度非常人可想。     

高效液相色谱法测定苹果、青椒等水果蔬菜中绿原酸的含量

采用高效液相色谱法测定果蔬中绿原酸含量,色谱柱为HYPERS IL-C18(5μm,250mm×416mm),以乙腈(A)和0.5%磷酸溶液(B)进行洗脱,流速为1.0mL/min;进样量为20μL;检测波长为330nm。结果表明,绿原酸在40~200μg/mL范围内线性关系良好,r=0.9997。平均回收率为99.52%,RSD小于2.0%。采用高效液相色谱法测定果蔬中绿原酸含量,方法简便、准确,可以用于绿原酸的检测。     

上海市禽源阿贡纳沙门氏菌耐药性及脉冲场凝胶电泳分型研究

To investigate the antimicrobial resistance and molecular types of S.agona strains isolated from poultry in Shanghai from 2010 to 2011，K-B method recommended by WHO was used to detect 14 strains of S.agona from poultry.Results were analyzed according to the breakpoints of CLSI，PFGE was used for molecular typing.14 strains were sensitive to 5 kinds of antibiotics.High resistant to sulfisoxazole and high moderate sensitivity to streptomycin.14 strains of S.agona were classified to 6 PFGE patterns.Some S.agona strains isolated from 2010 to 2011 were showed highly homology.Meanwhile，the relativity between antimicrobial susceptibility and PFGE patterns was remarkable.