Results 101 to 110 of about 718,722 (156)
, 2010 通过添加聚合硫酸铁(PSFe)降低水体中的活性磷,对水体中磷浓度、藻类生物量、碱性磷酸酶活性(APA)、类胡萝卜素/叶绿素a(Car/Chl.a)等指标随时间变化的情况进行了研究.结果表明,添加PSFe后,活性磷(RSP)迅速下降,藻类生物量和Car/Chl.a在短期内并没有显著变化.总碱性磷酸酶活性(TAPA)则随着RSP的下降而迅速升高,溶解性碱性磷酸酶活性(DAPA)上升幅度较小.结果表明,PSFe是一种优良高效的除磷剂,水体中TAPA、DAPA对RSP变化敏感 ...
赵先富 +4 more
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[Research progress on the pathogenesis and clinical treatment of cirrhotic cardiomyopathy]. [PDF]
Zhonghua Gan Zang Bing Za ZhiWang KY, Liu L.
europepmc +1 more source
, 2009 2008年59月,在三江平原小叶章(Calamagrostis angustifolia)湿地中,通过在模拟桶中人工加入3种浓度的含磷污水进行湿地系统对污水中磷的净化模拟研究。结果表明,小叶章湿地系统对污水中正磷酸盐的净化效率较高,平均净化率为85.26%;小叶章主要生长过程中的各生长阶段对湿地系统净化污水中正磷酸盐效率的影响显著(n=60 ...
卢伟伟, 姜明
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[Research progress on the role and mechanism of magnesium element and magnesium materials in tendon-bone interface healing]. [PDF]
Zhongguo Xiu Fu Chong Jian Wai Ke Za ZhiYue H +6 more
europepmc +1 more source
, 2017 本发明公开了一种低杂质含量的二烷基二硫代磷酸锌(ZDDP)，所述二烷基二硫代磷酸锌中的磷为挥发性杂质磷和有效磷，其中通过31P-NMR谱测得的挥发性杂质磷的摩尔百分比含量不超过所述二烷基二硫代磷酸锌中总磷含量的7.2％。本发明还提供了制备所述低杂质含量的二烷基二硫代磷酸锌的方法。本发明提供的二烷基二硫代磷酸锌具有低的杂质含量，高的有效磷含量，同时还具有优良的抗挥发性，更佳的抗氧、抗磨和抗腐等性能 ...
冯建湘 +4 more
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[A Study of the Association and Interaction Between Organophosphorus Pesticide Exposure and Insulin Resistance in Non-diabetic Adults]. [PDF]
Sichuan Da Xue Xue Bao Yi Xue BanZhu X +5 more
europepmc +1 more source
, 2014 Five organic media, spent golden mushroom compost (GM), peat moss (PM), rice hull (RH), sugercane compost (SC), and apent shitake mushroom compost (SM), were used to grow Impatiens wallprana and Begonia semperflorens in 15cm pots for 6 months.
Woo-Nang Chang +5 more
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[Expression of Rho-related BTB domain-containing protein 1 in tongue squamous cell carcinoma and its effect on cell proliferation, invasion, and migration]. [PDF]
Hua Xi Kou Qiang Yi Xue Za ZhiShao Y +6 more
europepmc +1 more source
[Refractory systemic lupus erythematosus-associated thrombocytopenia treated with avatrombopag: A case report]. [PDF]
Beijing Da Xue Xue Bao Yi Xue BanTang X +8 more
europepmc +1 more source
, 2004 用深能级瞬态谱(DLTS)研究了高温退火处理后磷化铟中的深能级缺陷.在退火前以及纯磷和磷化铁气氛下,退火后低阻磷化铟中的深能级缺陷的数量和浓度明显不同,磷化铁气氛下退火后的磷化铟中只有0.24和0.64 eV两个缺陷,而纯磷气氛下退火后的磷化铟中可测到0.24,0.42,0.54和0.64 eV4个缺陷,退火前的原生磷化铟样品中有的只有0.49和0.64 eV两个缺陷,有的只有0.13 eV一个缺陷.根据这些结果 ...
李晋闽 +4 more
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