Results 121 to 126 of about 392 (126)
[Cleaning effect of ultrasonic activation as an adjunct to syringe irrigation of root canals: a systematic review]. [PDF]
Hua Xi Kou Qiang Yi Xue Za Zhi, 2015 Yuanyuan C +8 more
europepmc +1 more source
Shuitu Baochi Xuebao目的揭示三峡水库消落带沉积泥沙与原地土壤间的养分特征差异，为消落带生态修复及管理提供科学依据。方法以三峡水库土质消落带为研究对象，采集沉积泥沙和原地土壤样品，测试颗粒组成和养分物质（总有机碳TOC、全氮TN和全磷TP）含量，使用加权求和法计算沉积泥沙和土壤的综合养分指数（CNI），对比分析沉积泥沙与土壤间的养分特征差异。结果1）消落带沉积泥沙的中值粒径（d50）和平均值分别为5.57~10.29、8.54 μm，显著小于土壤的10.97~19.57、15.67 μm （p<0.01 ...
段金宝 +6 more
doaj
Sclerites of Bursa Copulatrix Reveal Hidden Generic Diversity in Dimini (Coleoptera, Elateridae): Revision of <i>Parapenia</i> Species from China, with the Establishment of Three New Genera. [PDF]
InsectsQiu L, Ruan Y, Prosvirov AS, Kundrata R.
europepmc +1 more source
Reform and Opening up of China and the Current Economic Status Quo [PDF]
, 2003 Shu Cheng LI +2 more
core +1 more source