coherent 发表于 2025-3-21 16:10:55
书目名称Boron影响因子(影响力)<br> http://impactfactor.cn/if/?ISSN=BK0189890<br><br> <br><br>书目名称Boron影响因子(影响力)学科排名<br> http://impactfactor.cn/ifr/?ISSN=BK0189890<br><br> <br><br>书目名称Boron网络公开度<br> http://impactfactor.cn/at/?ISSN=BK0189890<br><br> <br><br>书目名称Boron网络公开度学科排名<br> http://impactfactor.cn/atr/?ISSN=BK0189890<br><br> <br><br>书目名称Boron被引频次<br> http://impactfactor.cn/tc/?ISSN=BK0189890<br><br> <br><br>书目名称Boron被引频次学科排名<br> http://impactfactor.cn/tcr/?ISSN=BK0189890<br><br> <br><br>书目名称Boron年度引用<br> http://impactfactor.cn/ii/?ISSN=BK0189890<br><br> <br><br>书目名称Boron年度引用学科排名<br> http://impactfactor.cn/iir/?ISSN=BK0189890<br><br> <br><br>书目名称Boron读者反馈<br> http://impactfactor.cn/5y/?ISSN=BK0189890<br><br> <br><br>书目名称Boron读者反馈学科排名<br> http://impactfactor.cn/5yr/?ISSN=BK0189890<br><br> <br><br>SPURN 发表于 2025-3-21 23:25:49
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Studies on Crystallization of Pure Boronde in a hydrogen atmosphere. The. powder was then melted in an argon atmosphere by induction heating to form rods. The melt was contained either in quartz boats lined with pure boron nitride or in internally water-cooled silver boats. Single-crystal growth was accomplished without using crucible met脱水 发表于 2025-3-22 11:39:42
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Carbon Determination in Hyperpure Elemental Boron Using Gas Chromatographywith tin powder, which serves as an accelerator, is burned under controlled conditions in an induction-heated furnace. The gaseous products are passed through a molecular sieve column at an initial temperature of 100°C. The carbon dioxide remains trapped in the molecular sieve, while the oxygen is sHippocampus 发表于 2025-3-22 17:55:02
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Some Results of the Band Structure Calculation of Rhombohedral Boron by the K·p-Methodhedral modifications of boron have such lattices.) The special arrangement of the atoms forming icosahedra is not considered. The possible energy bands can be classified according to their transformation properties under the symmetry operations of .. The K • p-method allows the conclusion that all t机械 发表于 2025-3-23 09:13:13
Conductivity, Hall Effect, Optical Absorption, and Band Gap of Very Pure Boron· 10.Ω-cm at 180°C to 2 and 3. 5 · 10.Ω-cm at room temperature. The band gap ∆E., ascertained from the intrinsic range was about 1.42 eV, whereas E.° K obtained from the optical absorption edge was about 1.53 eV. The temperature dependence of the mobility should be more than — 3/2 because of the inf