Researchers have discovered that concentrating a 'cold plasma' beam on soft fruit kills off the spores which cause mould. It can keep it away for up to a week.
研究人员发现集中一束冷等离子到变软的水果上可以杀死其中导致霉变的孢子,并且这种作用可以维持一个星期。
They then defined the transistor channel using electron-beam lithography, removing graphene outside of channel regions with an oxygen plasma.
然后在氧等离子体中用电子束刻蚀法去除沟道区石墨烯形成晶体管的沟道。
Cold plasma, a combination of oxygen and helium gas concentrated into a lightening-like beam, has previously been used by medics to clean bacteria off wounds.
冷等离子,是由氧气和氦气混合集中成的光束,先前主要在医疗上用来清除伤口的细菌。
A 'Star Wars' style plasma beam which can stop fruit going mouldy has been created by scientists.
科学家已经研究到一种“星球大战”式的等离子束能够阻止水果发霉腐烂。
These heavier electrons cannot react quickly enough; hence the laser beam propagates through the plasma.
这些变“重”的电子不再能快速对激光做出反应,这样激光就得以在等离子体中传播了。
The study, conducted by Nottingham and Loughborough University, in conjunction with fruit growers Berryworld, saw microbiologists work alongside a fruit supplier to try out the prototype plasma beam.
这个研究,是由诺丁汉大学和拉夫堡大学引导的,联合了水果种植者Berryworld,微生物学家和水果供应者一起完成了等离子束的实验。
Dr Cath Rees, Associate Professor of Microbiology at the University of Nottingham was one of the team who discovered the power of the plasma beam accidentally during medical research.
英国诺丁汉大学微生物副教授CathRees博士,是医学研究中意外发现等离子束的力量的一个团队成员,她说。
The energy is enveloped in a plasma containment sphere shaped by emitter cowls that channel the sonic beam.
引导声波束的发射罩形成等离子体禁闭球,将能量包裹在球体中。
Plasma electron density was increased by using the method of gas fuelling with molecular beam injection in the HL 1m tokamak.
在HL -1m装置上用分子束注入等离子体的气体加料方法提高了等离子体的电子密度。
In fusion research, the neutral beam injection has become an efficient method for heating plasma.
在受控核聚变研究中,中性束注入已经成为加热等离子体的有效手段。
Using different refractive index distributions, the phenomena of plasma waveguide and the application of a ring shaped beam in the manipulation of particles are discussed, separately.
针对等离子体对激光的导引和离焦现象,以及应用激光操纵粒子的空心环状光束产生进行了模型化分析和讨论。
In cooling storage ring heavy ion beam is plasma of high density. when a big power laser interacted on it, it will get ultra-high temperature.
重离子冷却存储环中的束流是高密度的等离子体,这样的束流照射物体将得到超高压强。
The results of the molecular beam injection show that the impurity have been decreased, the electron density have been increases, and the plasma confinement property was improved.
分子束注入减小了杂质辐射,有效地提高了电子密度,改善了等离子体的约束性能。
Considering the disturbance of the plasma electrons at the beam-ion channel boundary, the eigen-equation of TM mode has been derived.
考虑束-离子通道边界上等离子体电子可能发生的扰动,导出了TM模本征方程的理论式。
So the plasma has great effects on the laser beam welding process, the welding quality and the efficiency of the laser beam energy. Which can not be ignored during the laser beam welding.
可见,激光焊接过程中产生的等离子体对激光焊接过程、焊接质量以及对激光能量的利用率有非常大的影响,是一个不可忽视的现象。
The electric current and alloy elements in powder system are major factors for influencing melt viscosity in surface metallurgy by plasma beam.
影响等离子表面冶金熔池中合金熔体粘度的主要因素是电流和粉末体系中的合金元素。
Boron cast iron was strengthened by plasma beam, the microstructure and microhardness and abrasion resistance were studied.
采用等离子束对硼铸铁进行了表面强化,对等离子强化层的显微组织、显微硬度和耐磨性进行了研究。
It is suggested that the instability is excited in the low density plasma when the electron beam drift velocities exceed the ion acoustic speed.
不稳定性产生的可能机制是由于电子束穿过低密度本底等离子体的漂移速度超过离子声速而激发起来的。
Based on thin annular electron beam approximation, the focusing effect of plasma is investigated.
在薄环形束的近似下讨论了等离子体对空心电子束的聚束作用。
The high plasma current allowed in a RFP is expected to be sufficient to heat the plasma to ignition without the need of auxiliary neutral-beam or radio-frequency heating.
在反场箍缩条件下可允许用强等离子体电流充分加热等离子体到点火温度,而不需要辅助的中性束或射频加热系统。
The results show that the ion beam has an important influence upon the parametric instability excitation in plasma systems.
结果表明:离子束对等离子体中参量不稳定性的激发有极重要的影响。
It is researched and discovered that filling plasma into microwave instrument may increase it's output power and interaction efficiency and improve transmission quantity of electronic beam.
近年来研究发现,当在微波器件中填充了等离子体后,器件的输出功率和互作用效率得到显著提高,同时等离子体还可改善电子注的传输质量。
The influence of the Angle between laser beam and plasma arc beam on the precision of a deposited layer was analyzed through experimental studies.
通过实验研究分析了激光束与等离子束复合角度对熔积层精度的影响规律。
Two important parameters-balance radiuses and space charge force balance radius is calculated under neutral plasma case. The properties of electron beam transmission are discussed.
在环内中性等离子体情况下计算了传输过程中的两个重要参量——平衡半径和空间电荷力平衡半径,讨论了电子束的传输特点。
An attempt has been made in the paper aiming at imparting flame retardancy to EVA copolymer by grafting acrylic monomers induced by plasma and electron-beam preirradiation.
研究了以EVA共聚物为基础,采用等离子体和高能电子束辐照接枝丙烯酸类单体样品的阻燃性能。
In this paper, electron beam physics, equilibrium of plasma in Tokamak under electron injection and physical problems involved in the electron injector were analytically studied.
对电场漂移电子注入中的电子束物理、电子注入情况下托卡马克等离子体的平衡、电子注手器中的物理问题等进行了分析研究。
The electrostatic and magnetic neutralization model has been adopted in solving the initial value problem of the beam-plasma system to obtain the plasma response functions.
采用电荷中和及磁中和模型,求解了束-等离子体系统的初值问题,得到了等离子体的响应函数。
The results show that electromagnetic instability can be excited in an ion-beam-plasma system. Ion-electron collisions increase the growth rate of the instability.
结果表明,在离子束-等离子体系统中可以激发维泊耳型电磁不稳定性,离子和电子之间的碰撞将使这类不稳定性的增长率增加。
The effects of laser on plasma arc beam, welding depth and width of deposition pool in the hybrid plasma-laser rapid manufacturing is investigated by tests.
通过试验研究了等离子激光复合快速制造中激光对等离子弧柱形貌、熔积成形时的熔深和熔宽等的影响。
This paper introduces a plasma beam quenching technology.
介绍了等离子束表面淬火技术。
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