查询词典 high-energy particle

"Beta particle:a high-speed electron or positron, especially one emit ted in radioactive decay."

粒子：一种高速电子或质子，主要在放射衰变中释放出。

It is proposed that the appearance of a new kind of mud additive can not represent the formation of a new mud system . The main influence factors of flow resistance at drill bit nozzle are solid content , particle size distribution and hydrophilicity of solid . It is not suitable to use high shear viscosity of both Casson rheology model and determined to predict drilling efficiency .

全面、系统地论述了处理剂和泥浆体系的关系；聚合物的使用浓度应突破全絮凝点，实现低固相应以发挥聚合物的抑制作用为主，絮凝作用为辅；影响钻头水眼处流动阻力的主要因素是泥浆中的固相含量、粒度分布及固相的亲水性，用η_∞代表钻头水眼粘度是欠妥的；聚合物泥浆处理剂的发展主要是开发新的单体和研究新的复配物。

WC particle reinforced high chromium cast iron (Cr20) matrix compound roller has been prepared successfully by means of centrifugally cast spraying .

采用离心铸造喷射法成功制备了碳化钨颗粒增强高铬铸铁(Cr20)基复合材料轧辊，对其进行了磨损性能试验及显微组织分析。

Preparation of ceria with large particle size and high appearance density.

大粒度，高表观比重氧化铈的合成。

In this study, the modified precipitation and recrystallization processes combined with a controlled calcination process for fabricating the ceria with large particle size and high appearance density was reported.

报导了一种与控制烧结大粒度，高表面比重的氧化铈的过程相结合的改性沉淀与再结晶过程。

We show that in the presence of high potential steps the Dirac equation has solutions which violate the principle of charge conservation. This paradoxical situation has no completely satisfactory physical explanation within a one particle interpretation.

我们证明在高势能步幅的情形下Dirac方程存在违返电荷守恒律的解，这种荒谬的结果没有任何令人满意的的物理解释在描述单个粒子的时候。

A Combined environment which consists of charged particle radiation and ultraviolet radiation exists in the medium and high Earth orbit.

在中高轨道上，存在着带电粒子辐射、紫外辐照等组成的综合辐射环境。

According to the low speed of constringency and high complexity of training methods in large scale training, particle swarm algorithm is brought forward to solve the problem.

针对在大规模训练中算法收敛速度慢、复杂程度高等问题，提出用粒子群算法求解其中的二次规划问题的思想。

Controlled rolling and controlled cooling is an advanced technology in modern high speed wire producing. The remarkable characteristic of this technology is reducing decarbonization, controlling the dimension of particle, improving the organization and capability of steel, and controlling the capacity of ferric oxide.

控制轧制和控制冷却是现代高速线材生产的前沿技术，其显著特征是减少脱碳，控制晶粒尺寸，改善钢的组织、性能及控制氧化铁皮的生成量。

A new high flow rate,multichannel parallel plate denuder sampling system has been developed which is capable of determining the particle size distributions and the semi-volatile organic compounds which can be lost from particles during sampling.

已研制出一种新的高流速率，多通道平行盘溶蚀器取样系统，它能确定微粒大小的分布，以及在取样期间从微位失去的具有半挥发性的有机混合物。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了