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[期刊论文] 作者：Jessica D Lewis Kyle B Enfield,
来源：世界肝病学杂志：英文版（电子版） 年份：2015
Hepatitis B virus （HBV） is the most efficiently transmissibleof the bloodborne viruses that are importantin...
[期刊论文] 作者：李林,
来源：现代养生B 年份：2004
目的：对绝经后女性实施B超检查的必要性进行分析与探讨。方法：选取120名绝经女性，并将其按年龄分为A组与B组，并对绝经后女性实施妇科B超检查的必要性进行分析。结果：所选取得120名...
[期刊论文] 作者：Zhenyang Ma,Peng Wang,Fang Yan,Chunlei Shi,Yi Tian,
来源：中国物理B（英文版） 年份：2019
mechanical,electronic,mechanical anisotropy,and thermal properties of boron nitride (BN) polymorphs,such as B4N4...-Ⅰ and B4N4-Ⅱ,are investigated...
[期刊论文] 作者：刘木军,
来源：现代养生B 年份：2015
目的:为了深入观察在早期异位妊娠的诊断中B超检查的应用效果.方法:选取2012年7月到2013年7月在我院妇产科接受诊治的异位妊娠病患55人,使用B超对其进行早期诊断,并对其临床...
[期刊论文] 作者：叶军,茅毓新,桂璐璐,常文瑞,梁栋材,
来源：中国科学(B辑) 年份：2000
采用悬滴气相扩散法，获得了Ｂ链羧端去三肽胰岛素３种晶型的单晶体，其中 晶型１属于Ｐ２_1空间群，晶胞参数为ａ＝４．７７ ｎｍ，ｂ＝６．１９ ｎｍ，ｃ＝６．１２ ｎｍ，β＝１１０．３°；晶 型２属于Ｐ４_...１２２或Ｐ４_３２２空间群，晶胞参数为ａ＝ ６．４５ ｎｍ， ｃ＝ １２．０７ ｎｍ；晶型３属于 Ｐ２_１２_１２_１空间群，晶胞参数为 ａ＝ ４．９８ ｎｍ， ｂ＝ ５．１６ ｎｍ， ｃ＝ １０．...
Influence of misch metal content on microstructure and magnetic properties of R–Fe–B magnets sintere
[期刊论文] 作者：商荣翔,熊杰夫,左淑兰,赵鑫,李锐,左文亮,赵同云,陈仁杰,孙继荣,沈保根,,
来源：Chinese Physics B 年份：2017
MM_(14)Fe_(79.9)B_(6.1)/Nd_(13.5)Fe_(80.5)B_6 magnets were fabricated by dual alloy method(MM, misch...
[期刊论文] 作者：巴信武,李泽生,潘守甫,孙家钟,唐敖庆,
来源：中国科学(B辑 化学 生命科学 地学) 年份：1993
本文用概率统计方法,得到了A_(a1)B_(b1)—A_(a2)B_(b2)缩聚反应的分布函数。应用分布函数定义了高分子各类矩。用直接微商法,得到了计算矩的循环公式。解决了用矩表征这类反...
[期刊论文] 作者：张青来,肖富贵,郭海铃,A B Bondarev,B I B,
来源：稀有金属材料与工程 年份：2009
利用热拉伸试验、气胀成形、金相显微镜和扫描电镜,研究AZ31B镁合金薄板热拉伸性能、气胀成形性能及其组织结构。结果表明：在变形温度为425℃,应变速率为1.0×10-3～6.6...
Potential energy curves for the X~1Σ_g~+, B~1△_g and B′~1Σ_g~+ states of C_2 using MRCI and approxim
[期刊论文] 作者：,
来源：Science in China(Series B:Chemistry) 年份：2007
The potential energy curves for the X1Σ g+, B1△g and B′1Σ g+ states of C2 have been studied by using...
[期刊论文] 作者：王志军,蒋丽金,张曼华,
来源：Science in China,Ser.B 年份：1991
The photooxygenation of caffeine sensitized by Hypocrellin B in alcohol solvents hasbeen investigated...
MOLECULAR WEIGHT DISTRIBUTION OFAB, B TYPE CONDENSATION POLYMERS OBTAINED BY ADDING AB MONOMERS IN B
[期刊论文] 作者：杨玉良,于同隐,唐敖庆,
来源：Science in China,Ser.B 年份：1988
The molecular weight distribution function (MWD) of AB, B type condensation polymers obtained by adding...
Stability,electronic structure,and optical properties of lead-free perovskite monolayer Cs3B2X9 (B =
[期刊论文] 作者：Yaowen Long,Hong Zhang,Xinlu Cheng,
来源：中国物理B（英文版） 年份：2022
The lead-free perovskites Cs3B2X9 (B =Sb,Bi;X =Cl,Br,I) as the popular photoelectric materials have excellent...properties with lower toxicity.In this study,we systematically investigate the stable monolayer Cs3B2X9...
M@B_9 and M@B_(10) molecular wheels containing planar nona-and deca-coordinate heavy group 11, 12, a
[期刊论文] 作者：,
来源：Science in China(Series B:Chemistry) 年份：2009
A density functional and ab initio theory investigation on M@B9 and M@B10 molecular wheels containing...
[期刊论文] 作者：Die Zhang,Xilian Jin,Quan Zhuang,Ying Li,Shuhan Yang,Liying Song,Bingbing Liu,Tian Cui,
来源：中国物理B（英文版） 年份：2019
We have systematically studied the structures, electronic properties, and lattice dynamics of B–P compounds...BP and B6P are found to be therm...
[期刊论文] 作者：Rafael Bárcena Marugán,Silvia García Garzón,,
来源：World Journal of Gastroenterology 年份：2009
Hepatitis B virus(HBV) infection is a global public health problem that concerns 350 million people worldwide.Individuals...with chronic hepatitis B(CHB) are at i...
A new tripodal rhodamine B derivative as a highly selective and sensitive fluorescence chemosensor f
[期刊论文] 作者：,
来源：Science in China(Series B:Chemistry) 年份：2009
A new tripodal rhodamine B derivative 2 was designed and synthesized by tripodal trialdehyde and rhodamine...B hydrazide for the first time....
[期刊论文] 作者：Ming Yue,Xiaowen Yin,Weiqiang Liu,Qingmei Lu,
来源：中国物理B（英文版） 年份：2019
Significant efforts have been put into the recycling of bulk Nd–Fe–B sintered magnet wastes around the...world in the past decade because bulk Nd–Fe–B sintere...
[期刊论文] 作者：陈钧,
来源：中等数学 年份：1990
当a,b为连续奇数时,如下式子能被a+b整除: a~a+b~b,b~a+a~b,a~a+b~a,a~b+b~b,a~a-a~b,b~a-b~b. 当a,6为连续偶数时,如下各式能被...
The structure and elasticity of phase B silicates under high pressure by first principles simulation
[期刊论文] 作者：刘雷,易丽,刘红,李营,庄春强,杨龙星,刘桂平,
来源：Chinese Physics B 年份：2020
The structures and elasticities of phase B silicates with different water and iron（Fe） content are obtained...
[期刊论文] 作者：房文汇,里佐威,孙成林,李占龙,宋薇,门志伟,何丽桥,,
来源：Chinese Physics B 年份：2012
The competition between the stimulated resonance Raman scattering(SRRS) of Rhodamine B(RhB) and the stimulated...
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