Assisted by the mold preinstalled an alumina tube into seed segment, the influence of the original primary dendrite spacing of seed on the formation of stray gr
The influence of melt overheating on the viscosity of the melt and surface quality of the Fe78Si9B13 melt-spun ribbons have been studied by using oscillating ve
The paper presents template strategy using siloxane-acrylate latex and its modified form to prepare nanos-tructured calcium silicate (wollastonite) containing n
In this work, a systematic investigation was performed on the structural, mechanical and corrosion properties of CNT incorporated 304 stainless steel. Various c
在教学辩证法研究范畴,常态数学实验涵盖工具性与概念性的复合特征、命题性与关系性的融合特征、合情性与运演性的统一特征、发展区与元认知的契合特征.通过对常态数学实验教
The effects of hydrothermal production conditions on crystal forms, morphology and electrochemical perfor-mance of in situ reduced graphene oxide/manganese oxid
在数学历史的发展中,有一些耐人寻味的经典名题,如璀璨的明珠,吸引了一代又一代的数学爱好者,同时也得到广大数学命题者的青睐,试题命制者通过对一些名题的挖掘和改编,选择了
经过研究,笔者现已得到:rn定理 如果直角三角形的一个锐角平分线长与对边的比为2 : 3,那么这个锐角为60°.rn已知:如图,在Rt△ABC中,∠C=90°,BD平分∠ABC,且BD: AC =2: 3,求
2019年连云港市中考数学试题第27 题,思维含量高,书写量大,辅助量大、变量思想显著,很好地突出了中考试题的选拔功能,有助于不同层次学校的选人和用人.这种“大思考→大动笔
“脾主身之肌肉”是指脾藏化生水谷精微营养全身的骨骼肌及其辅助装置,但骨骼肌的功能并非只属于脾藏.基于中西医学研究对象的一致性,从解剖学找到全身骨骼肌的分布部位及其