[Chiral separation of new chiral insecticide pyraquinil isomers and establishment of analytical methods in vegetables]. [PDF]
Chen Y +6 more
europepmc +1 more source
[Consideration on the Research and Development of New Drugs for Rare Tumors]. [PDF]
Tang L, Song Y, Yang Z.
europepmc +1 more source
Effects of rainfall patterns on hillslope farmland erosion in black soil
降雨雨型对土壤侵蚀过程有重要的影响,也是当前土壤侵蚀研究的热点之一。通过野外原位人工模拟降雨试验,设计了次降雨中平均降雨强度、总降雨量相同的4种不同降雨雨型(均匀型:降雨强度为60mm/h;峰值型:降雨强度分布为30-90-60mm/h;延迟型:降雨强度分布为60-30-90mm/h;减弱型:降雨强度分布为90-60-30mm/h),研究降雨雨型变化对东北黑土区坡耕地土壤侵蚀的影响。结果表明:各雨型条件下休闲坡耕地径流总量的大小顺序为延迟型>减弱性>均匀型>峰值型 ...
杨青森 +3 more
core
Annual (2023) taxonomic update of RNA-directed RNA polymerase-encoding negative-sense RNA viruses (realm <i>Riboviria</i>: kingdom <i>Orthornavirae</i>: phylum <i>Negarnaviricota</i>). [PDF]
Kuhn JH +186 more
europepmc +1 more source
The Processing of the Second Syllable in Recognizing Chinese Disyllabic Spoken Words: Evidence From Eye Tracking. [PDF]
Wang Y, Zang X, Zhang H, Shen W.
europepmc +1 more source
[Kaposi sarcoma combined with severe ulcerative colitis: A case report and literature review]. [PDF]
Li J +5 more
europepmc +1 more source
在东北黑土区中心-中国科学院海伦实验站进行盆栽试验,研究不同施肥处理对大豆光合产物分配的影响。设5个肥料处理,分别为无肥(CK)、氮磷(NP)、氮钾(NK),氮磷钾(NPK)和化肥有机肥配施(NPK+OM),同时进行相应肥料的无作物处理。结果发现:光合产物的分配趋势表现出分配到地上部的比例逐渐增加,由35%增加到66%,同时地下部所占有的比例相应减少,由65%降低到34%。其中分配到根中的光合产物有4% ~20%通过根系呼吸而消耗。碳同化产物的分配受施肥的影响(PNPK>NP >NK>CK ...
乔云发 +3 more
core
东北黑土区上坡汇流对坡面土壤侵蚀有重要影响,因此辨析降雨和汇流对黑土区坡面土壤侵蚀的影响对农田土壤侵蚀防 治有重要意义。通过设计不同降雨强度和汇流速率以及二者组合的模拟降雨及上方汇流试验,分析了降雨和汇流对黑土坡面 侵蚀的影响及其贡献。试验处理包括两个降雨强度( 50 mm/h 和100 mm/h) 、两个汇流速率( 50 mm/h 和100 mm/h,即: 10 L/ min 和20 L/min) 、以及4 种不同降雨强度和汇流速率的组合( ( 50+50) mm/h、( 50+100) mm/h、(
姜义亮 +4 more
core
[Analysis of medication characteristics of traditional Chinese medicine in treating COVID-19 based on data mining]. [PDF]
Fan T +7 more
europepmc +1 more source
[Racial differences in treatment and prognosis of gastric signet ring cell carcinoma: analysis based on SEER and TCGA databases]. [PDF]
Fang S +6 more
europepmc +1 more source

