查询词典 bombardment

A reproducible and efficient transformation system for indica rice was developed based on microprojectile bombardment of embryogenic callus.

以籼稻胚性伤组织作为基因枪法转化的靶材料，建立了可重复的、高效的籼稻转化系统。

Experiment result demonstrates that its surface isn't oxidized by contrast with the stainless steel at 1 000 ℃. Under the single pulse high voltage, the film shows feeblish discharging characteristic after the bombardment of the high energy microparticles at hundreds times. This can increase the voltage holding capability and reduce the dynamic load of pulse power.

实验证明：在高达 10 0 0℃的温度下，相比不锈钢材料，薄膜表面几乎不被氧化；在单次脉冲高压作用下和在经受数百次高能微粒子轰击后，仍呈现出弱放电特征，既提高了耐压能力，又降低了脉冲电源的动态负载

Due to this, our goal is to develop a new method to functionalize implant surface by plasma treatment. Argon plasma removes all chemical traces such as adsorbed contaminates and impurities. Oxidation in oxygen plasmas by ion bombardment results in a dense oxide layer.

因此，本研究利用低温电浆来发展一植体表面处理技术，先以氩气电浆清洁钛金属表面，再以氧电浆让钛金属表面产生一层致密的二氧化钛层。

Ion mixing in IBAD holds high bonding strength and ion bombardment leads to good coating density.

研究表明离子束溅射可获得以SP〓结构为主的高硬度低摩擦系数碳膜。

High deposition rate and bombardment to densification were fulfilled by adding a set of magnetron sputtering apparatus in an IBAD equipment.

在离子束辅助轰击设备中引入磁控溅射可兼得高沉积速率和轰击致密的长处。

In this study, insect-resistant cry1Ah gene and glyphosate-toleranct 2mG2-epsps gene was used to construct an insect-resistant/glyphosate-tolerance bivalent plant expression vector, glyphosate isopropylamine salt as a screening agent, 2mG2-epsps gene as a selectable maker gene, the vector was transfer into maize immature embryonic calli by microprojectile bombardment, 80 T0 transformed plants were obtained.

本研究利用抗虫基因cry1Ah和耐草甘膦基因2mG2-epsps构建了双价植物表达载体，通过基因枪轰击转化玉米，以2mG2-epsps为筛选标记基因，以草甘膦异丙胺盐作为筛选剂，获得到了抗性较好的T0代转化植株80株。

A trivalent plant expression vector containing Bt cry1Ah gene, cry1Ie gene and glyphosate-tolerant 2mG2-epsps gene was constructed, glyphosate isopropylamine salt as a screening agent, 2mG2-epsps gene as a selectable maker gene. The vector was transfer into maize immature embryonic calli by microprojectile bombardment, and 69 T0 generation plants were obtained. PCR analysis showed that 17 plants had the integration of insect-resistant cry1Ah, cry1Ie gene and glyphosate-tolerance 2mG2-epsps gene.

同时构建了含有Bt cry1Ah和cry1Ie基因和耐草甘膦2mG2-epsps基因的三价植物表达载体，通过基因枪轰击法转化玉米愈伤组织，以2mG2-epsps为筛选标记基因，以草甘膦异丙胺盐作为筛选剂，获得T0代转化植株69株，PCR检测结果表明：有17株已完整的整合有抗虫基因cry1Ah、cry1Ie和耐草甘膦基因2mG2-epsps的3个目的基因，RT-PCR分析外源基因可以正确转录，已获得结实转基因植株。

Fast atom bombardment mass spectrometry has been used to analyze the complex triglycerides in oils and fats of juglans mandshurica maxin.

本文利用快原子轰击质谱直接测定山核桃油中未经任何前处理的混合甘油三酸酯，能获得其分子量和碎片结构信息，在GC和GC/MS分析的基础上。

The dependence of the relative intensity of cationic molecule and fragmentation ion of an acetylated melezitose on the concentration of Na + or Li + in the matrix was studied by using fast atom bombardment source .

利用快原子轰击源研究了乙酰化松三糖的阳离子化分子和碎片离子的相对强度随底物中Na＋或Li＋浓度变化的趋势。

The plasmid pDM803, carrying the bar gene, conferring resistance to the herbicide, and the screenable uidA gene, was transferred into wheat by particle bombardment.

在此基础上，将含有bar基因和GUS报告基因的质粒pDM803用基因枪法转化小麦，获得可育的转基因小麦植株，从而建立了适于中国春性小麦基因型的基因枪转化体系。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。