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The -D numerical simulation was employed to study the dynamic stall of the NREL S809 airfoil using the CFD software. The sinuous periodic flow field around the airfoil was presented when the angle of attack changing from 9°— °.
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本文应用CFD软件Fluent 0对NRELS809翼型的二维动态流场进行了数值模拟,得到了翼型攻角在9°～ °范围内按正弦周期变化时的绕流流场。 |
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The -factor model of ISCYC and -factor model provided by Kaufman were fitted to the data and compared.
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方法 :采用验证性因素分析方法 ,分别对ISCYC的二因素模型及Kaufman提出的三因素模型的数据拟合情况进行分析与比较。 |
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The .order derivative peak current of the reduction wave was rectilinear to orotic acid concentration in the range of .0×0-8～.0×0- mol/L(r=0.999 ,n=9). The limit of detection was .0×0-8 mol/L.
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其.次微分极谱峰峰电流ep″与乳清酸浓度在.0×0-8～.0×0-mol/L范围内呈良好线性关系(r=0.999,n=9),检测限为.0×0-8mol/L; |
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The .7 dimensional element, as a typical FDE, is studied with a B matrix and a Hessian matrix derived to it.
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对.7维单元进行了分析,推导出.7维单元的B矩阵和Hessian矩阵。 |
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The 098 valid sequences formed 8 contigs and 9 singlet,which represented the total 8 unigenes;
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进一步对这098条组装分析,形成8个重叠群(Contig)和9 个单拷贝EST(Singlet),代表了共计8条独立基因(Unigene); |
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The newly recorded plants of flora of Saihanba in Hebei Chinar were reported. They are subordinate to 0 genera and families.
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本文发表了塞罕坝植物区系个河北新记录种，涉及科0属。 |
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The 8 specimens are now divided into species:Hetero— chaete sinensis,Heterochaete roseola,Heterochaete mussooriensis and heterochaete discolor.
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中国刺皮、异色刺皮(Heterochaete discolor)、莫索尼刺皮(Heterochaete mussooriensis)和粉红刺皮(Heterochaete roseola). |
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The main contributing factors for impatient management were coma (.7%),clonus (8.%)cand dyspnea (%).
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需要住院患者中临床症状居前 位的分别是昏迷(·7%)、抽搐(8·%)、气促(·0%)。 |
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The ' -terminus of the catalytic cistron (pyrB) isadjacent to the. '-terminus of the regulatory cistron, these is only a bp spacebetween the two coding regions.
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pyrB的 ’—端紧临pyrI的’-端，两个编码区之间只有个碱基间隔。 |
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The -D inner gilled tube strengthening heat transfer technology can be used to reduce the metal consumption and increase the thermal efficiency.
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采用三维内肋管强化传热技术,可以达到降低水套炉的金属耗量和提高热效率的目的。 |
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The .0 kb BglⅡ+XbaⅠrestriction fragment of millet(Setaria italica) chloroplast genome containing rbcL gene had been cloned into pBluescript SK (-) vector, then the restriction map and the 990 bp complete nucleotide sequence was determined.
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谷子（Setaria italica）叶绿体DNA 含有rbcL基因的 ．0 kb Bgl Ⅱ＋ XbaⅠ酶切片段被克隆到pBluescript SK （－ ）质粒载体上，并构建了该基因的限制性酶切图谱，测定了该基因的990 bp 全序列。 |
