Results 11 to 20 of about 2,362 (160)
Complexity, Volume 2021, Issue 1, 2021., 2021 Knowledge‐intensive crowdsourcing (KIC) is becoming one of the most promising domains of crowdsourcing by leveraging human intelligence and building a large labor‐intensive service network. In this network, the service providers (SPs) constitute the backbone of the KIC platform and play an important role in connecting the platform and service ...
Biyu Yang +3 more
wiley +1 more source
Current status and influencing factors of gene screening in first-degree relatives of patients with hereditary breast-ovarian cancer syndrome [PDF]
, 2023 Background and purpose: Carriers of BRCA1/2 gene germline mutations have an increased lifetime risk of ovarian, breast and other cancers. Early identification of these high-risk groups and targeted risk management programs are important for reducing ...
WANG Hui, WANG Xia, GAO Yi, XU Jing, YU Xiaojuan, FAN Fangqin, DING Yan, KANG Yu
core +1 more source
Characteristics and sources of typical pollution components in mine water in the border area of Inner Mongolia and Shaanxi [PDF]
, 2023 The border area between Mongolia and Shaanxi is the core area for China’s energy security. However, a large number of mine water produced in the process of coal mining contains a variety of pollution components.
Hao WANG +4 more
core +1 more source
Soil Particle Settlement Sorting and Distribution Characteristics of Carbon, Nitrogen and Salt During Gradual Thawing [PDF]
, 2023 [Objective] The classification of sediment particles and the accompanying distribution characteristics of carbon, nitrogen and salt in the process of soil thawing layer by layer under snowmelt runoff scenario were analyzed in order to identify the ...
Hu Yaxian +5 more
core +1 more source
Global Research Progress Regarding Gully Erosion from 1991 to 2020 [PDF]
, 2023 [Objective] The international research situation, current research status, and trends in research hotspots in the field of gully erosion at home and abroad from 1991 to 2020 were analyzed, and the development trends of gully erosion measurement ...
Duan Shengdan +5 more
core +1 more source
Shuitu Baochi Xuebao, 2022 为探索细沟侵蚀的空间分异特性, 通过人工模拟降雨试验的方法, 分析不同降雨强度和坡度下的坡面细沟侵蚀过程, 探讨细沟侵蚀强度及形态在坡面尺度的沿程变化特征。结果表明: 随着坡度和雨强增加, 细沟侵蚀量不断增大; 在特定处理下, 细沟侵蚀强度沿坡长方向均呈现出先增后减的规律; 沟宽、沟深和细沟割裂度等细沟形态参数也表现为先增加后减小, 峰值出现在坡面中部。沟宽和沟深与细沟侵蚀量呈极显著的正相关关系, 细沟侵蚀强度与形态之间的演变具有一致性; 径流汇集导致坡面中部径流侵蚀动力增强, 沟壁崩塌和下切侵蚀严重,
龙琪 +4 more
doaj
Shuitu Baochi Xuebao, 2021 选择裸露砒砂岩坡面为研究对象，基于野外径流小区冲刷试验结合三维激光扫描技术，研究3种流量（60，100，200 L/h）与4个坡度（5°，10°，20°，30°）组合冲刷下砒砂岩区坡面细沟形态演变特征及径流侵蚀产沙机制。结果表明：坡面细沟在坡下最先发育，随着冲刷流量和坡面坡度的增大而向上延伸；细沟出现的时间随着坡度的增加而缩短；20°坡面细沟的形态为"深窄型"，最小宽深比为0.017；随着冲刷强度和坡度的增加，细沟宽深比变小，而细沟数量、细沟密度、细沟复杂度、细沟割裂度等指标均增大 ...
李龙 +4 more
doaj
Shuitu Baochi Xuebao, 2023 坡面细沟形态特征的定量分析是研究细沟侵蚀的基础。通过设计3种降雨强度(30,60,90 mm/h)和5种坡度(2°,5°,10°,15°,20°)组合条件下的人工降雨模拟试验,定量研究饱和紫色土坡面降雨强度及坡度对细沟形态及其空间变化特征的影响。结果表明:饱和紫色土坡面细沟平均宽度、深度和细沟宽深比分别为3.44~9.64 cm、1.01~8.14 cm和1.18~3.87,细沟宽度和深度沿坡面从上至下整体均表现出先增大后减小的趋势,细沟宽深比沿坡面表现为上坡＜中坡＜下坡的变化特征。整体来看 ...
麻力文 +5 more
doaj
Medicolegal Identification of Medical Malpractices in Orthopaedic Surgery [PDF]
, 2019 Objective To analyze the characteristics of medical malpractices in orthopaedic surgeries, to explore principles and methods in medical legal identification, and to provide basic data for uniform medicolegal standard for the future medical identification.
SHI Fang,ZHANG Mao-ying,MA Jing-yuan,et al.
core +1 more source
Developmental Medicine &Child Neurology, Volume 61, Issue 3, Page E1-E35, March 2019., 2019 目的 本国际临床指南由欧洲残疾儿童学会（the European Academy of Childhood Disability，EACD）牵头制定，旨在解决发育性协调障碍（developmental coordination disorder，DCD）的定义、诊断、评估、干预以及与社会心理方面的临床应用关键问题。 方法 本指南针对五个领域的关键问题，通过文献综述和专家团队的正式讨论达成共识。为保证指南的循证基础，以“机制”、“评估”和“干预”为检索词, 对2012年更新以来提出的最新建议以及新增的“社会心理问题”和“青少年/成人”为检索词进行检索。根据牛津大学循证医学中心证据等级 (证据水平 [level of evidence, LOE]1–4) 将结果进行分类，最终转化为指南建议。并由国际 ...
Jing Hua +6 more
wiley +1 more source