The neutron is a heavy particle, as atomic particles go. It weighs about as much as a proton and about 2000 times as much as the electron.
就原子粒子而言，中子是很重的粒子。它的重量与质子大体相等，大约是电子重量的。
Conclusion: the ultrasound is a useful tool for the diagnosis of superficial tumors and the evaluation of efficacy of the heavy particle beam therapy.
结论：超声检查对诊断浅表肿瘤及评价重离子治疗的效果具有重要的参考价值。
If discovered, the heavy particle would definitively show that properties like electromagnetism and radioactivity are really different facets of the same force.
如果发现了，那重粒子将会决定性的展示出像电磁性和放射性的特性们是同一力量中十分不同的方面。
The antimatter particle was created at the Relativistic Heavy ion Collider at Brookhaven National Laboratory in Upton, n.y..
纽约州阿普顿布鲁克海文国家实验室的相对重离子对撞机所创建的反物质粒子。
Particle pollution - such as smoke, dust and heavy metals -- is known to irritate the airways and worsen asthma, and several studies have linked it to heart disease.
众所皆知，颗粒污染，诸如烟、尘、重金属等，会刺激呼吸道，从而加重哮喘。有几项研究也把颗粒污染与心脏病联系在一起。
Most of existing methods for synthesizing fire image are based on the particle system, and the main drawback of them is heavy computation.
现有的火焰合成算法多数基于粒子系统，其主要缺点是运算量大。
The results show that this method is suited to character activated light calcium carbonate and activated heavy calcium carbonate which particle is very fine.
结果表明，该方法适于表征活性轻质碳酸钙和颗粒极细的活性重质碳酸钙。
This particle would be heavy, and much of the electron's kinetic energy would be dumped into making the new particle.
该粒子可能为重粒子，而且电子的大部分动能会转化为形成新粒子的能量。
Most of existing methods for synthesizing fire image are based on particle system, a main drawback of which is heavy computation.
现有的火焰合成算法多数都是基于粒子系统，其主要缺点是运算量大。
The space particle composition detector aboard FY-1C satellite can simultaneously detect proton spectrum, electron integrated flux and heavy ion composition.
FY 1C星空间粒子成分探测器能够实现对质子能谱、电子积分通量及重离子成分的同时测量。
The space energetic particle environment inducing SEU includes galactic cosmic ray, solar cosmic ray and high-energy trapped protons and heavy ions.
引发单粒子翻转的空间高能带电粒子环境包括银河宇宙线，太阳宇宙线和地球辐射带中的高能质子及重离子。
This paper studies effect of water-rock reaction on heavy oil reservoir during steam soaking in single well by modeling changement of quartz particle in autoclave under thermal recovery condition.
利用高压釜模拟热采条件下石英颗粒的变化情况，研究单井吞吐过程中水岩反应对稠油储层的影响。
The results showed that the equilibrium catalyst with smaller particle size coefficient had superior capability for heavy oil conversion, better product distribution and higher goal product yield.
结果表明，粗度系数较小的工业平衡剂，其重油转化能力强，裂化产品分布较好，目的产品收率较高。
The invention relates to a device provided with chemical reactor therein for jointly removing inhalable particle of coal and heavy metal Hg and method.
本发明涉及一种内置化学反应器的联合脱除燃煤可吸入颗粒物及重金属汞的装置及方法。
It can mix evenly the materials, even if the material is new or broken, powder (dry) or particle in shape, light or heavy in weight.
新料与破碎料或颜料，粉体料(干色粉料)与粒体料(母料)等形状，表现比重不同的材料也能均匀地进行混合。
It can mix evenly the materials, even if the material is new or broken, powder (dry) or particle in shape, light or heavy in weight.
新料与破碎料或颜料，粉体料(干色粉料)与粒体料(母料)等形状，表现比重不同的材料也能均匀地进行混合。
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