Results 51 to 60 of about 244 (102)

[Design and analysis of human arm pathological tremor simulation system]. [PDF]

open access: yesSheng Wu Yi Xue Gong Cheng Xue Za Zhi
He Z, Liu H, Liu Q, Jiang Y, Zhu Z.
europepmc   +1 more source

碎石含量对三峡消落带波浪侵蚀的影响

open access: yesShuitu Baochi Xuebao
目的明确碎石含量对三峡库区消落带波浪侵蚀的影响,为消落带波浪侵蚀治理提供理论依据。方法以三峡库区紫色土坡面为研究对象,设置4个碎石含量(10%、20%、30%和40%)和3种坡度(10°、20°和30°),以裸土为对照组CK,开展室内模拟波浪冲刷试验,测定水体浑浊度值、波浪侵蚀率和孔隙水压力,阐明碎石含量对坡面波浪侵蚀的影响。结果1)水体浑浊度随波浪冲刷时间的增加呈现先上升后降至波动稳定的变化趋势,含碎石试验组水体浑浊度值相比CK组减小3.64%~25.93%;2 ...
肖海   +8 more
doaj  

[Clinical exploration and practice of a 16-step new model of comfortable supragingival scaling]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Chen Y   +6 more
europepmc   +1 more source

[Oral Health Status of Obese Children andIntervention Strategies]. [PDF]

open access: yesSichuan Da Xue Xue Bao Yi Xue Ban
Cheng R, Lei L, Zhang R, Cai H, Hu T.
europepmc   +1 more source

北方土石山区冻融与水力复合作用对土壤侵蚀的影响

open access: yesShuitu Baochi Xuebao
[目的] 揭示冻融与水力作用在不同条件下对北方土石山区土壤侵蚀的影响。[方法] 以北京市鹫峰地区土壤为研究对象,采用室内径流冲刷及冻融设备进行模拟试验,探讨在冻融与水力作用下冻融循环次数、坡度、流量、土壤初始含水率和冻融温差这5个影响因素对土壤产沙量与抗冲性的影响。[结果] (1)土壤抗冲系数对各因素敏感程度大小为坡度>流量>冻融温差>冻融循环次数>初始含水率,其中坡度与流量对其具有显著影响(p 坡度>冻融温差>土壤含水率>冻融循环次数,其中流量对其具有极显著影响(p
杨浩宇, 马岚, 陈仕媛
doaj  

[Efficacy and cost analysis of two fluoride varnishes in community-based interventions for early childhood caries]. [PDF]

open access: yesHua Xi Kou Qiang Yi Xue Za Zhi
Yang C   +7 more
europepmc   +1 more source

[Research progress of metal micro-battery dressings in wound repair]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi, 2023
Chen JM   +5 more
europepmc   +1 more source

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