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Identification of Bt-transgenic Rice Plants for Resistance to Stripe Stem Borer (Chilo suppressalis)
Resistance to herbicide Basta was used to identify Bt-transgenic rice plants and the progenies of crosses between the B......
The La2(CO3)3 addition makes the grain of AZ91 alloy be refined obviously. The average primary dendrite size of the allo......
The effect of doping additional Bi on the magnetoresistance (MR) of La2/3Ca1/3BxMn1-x O3 was investigated. It is found t......
Particle redistribution occurred with the flow of pool fluid in laser welding aluminum composites. In order to investiga......
本文采用微波加热-红外热成像颗粒示踪和混合技术获得了球形颗粒、柱形轻质颗粒和柱形重质颗粒三种示踪颗粒在不同操作参数下的运......
The solidification microstructure has an important effect on the mechanical properties of castings.Therefore,an FE (Fini......
A total of 123 Alternaria isolates were obtained from roting fruits of Pyrus bretschneideri “Ya Li” collected in Hebei......
Mutants with increased resistance to toxic anxin concentrations were first isolated in rice.The present report describes......
Molecular Mapping of Two Novel Stripe Rust Resistant Genes YrTp1 and YrTp2 in A-3 Derived from Triti
Loss of variety resistance to stripe rust (Puccinia striiformis Westend f. sp.tritici) is an important factor causing ma......
Bulked Segregant Analysis to Detect QTL Related to Heat Tolerance in Rice(Oryza sativa L.) Using SSR
The study was undertaken to assess the genetic effect of quantitative trait loci(QTLs) conferring heat tolerance at flow......
某公司生产的桥梁缆索用87Mn钢盘条,经拉拔后钢丝扭转性能较为稳定,扭转圈数可达25次以上。但钢丝经热镀锌后扭转性能发生巨大变化......
利用取样－筛分－称重的实验方法，提出固体颗粒在倾斜回转圆筒内的径向、沿弦长（斜面）方向及轴向粒度分布规律，并得出混合粒径固体颗粒在倾......
采用提拉法（Czochralski）生长了不同Ca^2＋掺杂浓度的CaxY1-xVO4晶体，计算了晶体中Ca^2＋的分凝系数．结果表明，随着Ca^2＋掺杂浓度的增加，分凝......
目的研究遗传因素在食管癌、胃癌和肝癌发生中的作用.方法通过遗传流行病学病例对照研究,对泰兴市489个家系(食管癌先证家系132个,......
通过方坯结晶器上端内嵌石墨套改变结晶器内凝固坯壳层界面前沿的温度梯度,研究了给定的浇注温度下嵌石墨套对连铸坯凝固组织变化......
提出了同向自洁型双螺杆挤出机端面非对称造型的新概念。以符合Carreau定律的纯黏性流体为加工对象,建立相应的数学模型。采用Poly......
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SEM and Field emitting TEM-EDAX were used to investigate the fracture surface of series impact specimens and th e grain ......
对2Cr10NiMoVNb(S／STV)钢δ-素体的形成因素进行了较全面的分析。认为形成δ-素体含量的主要因素是化学成分，热加工过程中加热温度及......
