查询词典 high energy

The influences of the shock thickness and Alfven waves on the particle acceleration by diffusive shock waves are numerically studied through solving one-dimensional diffusive equation including the second-order Fermi effect. It is shown that the spectral index of the energetic particles strongly depends on the shock thickness. For example, the spectral index increases from 2.1 to 3.7 in the low energy range of 3-10 MeV and from 2.5 to 5.0 in the high energy range of 20-60 MeV as the thickness increases. The spectral index decreases from 4.3 to 3.1 as the particle injection energy increases. The spectral index decreases from 4.0 to 1.8 at the quasi-steady stage with the enhancement of the compression ratio from 2 to 4. The results indicate that under the influence of Alfven waves, the energetic particle spectrum at lower energy becomes flat and the spectral index decreases from 2.5 to 0.6 in the low energy range of 3-10 MeV and from 11.6 to 5.0 in the high energy range of 20-60 MeV. At the same time, the rollover energy reaches 19.6 MeV. The spectral index decreases from 5.8 to 2.9 as the energy density of Alfven waves increase. All these results are basically consistent with the theoretical models, as well as the observations of typical energetic particle events.

通过数值求解包含二阶费米加速的一维扩散方程，探讨在准平行激波条件下激波厚度和级联阿尔芬波对粒子加速的影响，研究粒子分布函数的演化与激波厚度和阿尔芬波强度的内禀关系，计算结果表明：(1)考虑激波厚度时，谱指数明显依赖于激波厚度，随着厚度从0.32增大到2.56，低能端(3-10MeV)谱指数逐渐从2.1增加到3.7，高能端(20-60MeV)谱指数从2.4增大到5.0，能谱逐渐变软；当初始注入粒子动量增大1.3倍，质子能谱指数从4.3减小到3.1，且与零厚度激波加速的谱指数差值缩小；厚度不变时，随着压缩比从2增加到4，准稳态分布时低能端(3-10MeV)粒子能谱指数逐渐从4.0减小到1.8谱变硬；(2)在级联阿尔芬波的影响下，随着时间的增大，粒子在低能处(3-10MeV)的谱指数从2.5减小到0.6高能端(20-60MeV)谱指数从11.6减小到5.0，能谱变硬，拐点能量值从7.5MeV增大到为19.6MeV；随着波的能量密度增大，谱指数从5.8减小到2.9，这表明阿尔芬波强度越大，加速效率越高，通过与激波厚度解析结果和高能粒子事件的观测能谱比较发现两者是一致的，说明数值模拟结果是可靠的。

Thehigh-density array has threshold energy of about 2TeV. With the YangbajingAS γ array, upper limits of γ-ray fluxes from many high energy galacticcelestial objects including Crab Nebula and active galactic nuclei weremeasured at the energy around 10TeV, and the possible evidence of existing10TeV cosmic gamma ray burst was looked for. The Sun's shadow of cosmicrays has been observed and shift of the Sun's shadow resulted from the solarinterplanetary large scale magnetic field was found. And the ultra high energyspectrum of primary cosmic ray around the 'knee' was reached.

利用羊八井AS γ阵列已测量了包括蟹状星云在内的多个河内高能天体和活动星系核的10TeV γ流强上限，显示出可能存在的10TeV宇宙γ暴的线索，作出了宇宙线太阳阴影图，并得到了由于太阳及行星际空间大尺度磁场造成的宇宙线太阳阴影相对于太阳几何位置的偏移，测出了超高能宇宙线"膝"区能谱。

The project is a energy-saving revolution of 1,450 Celsius degree high-temperature radiation, national 863 new energy project and national 973(409) engineering project with many honors and patents including multi-resource non-imaging high-temperature wide-wave far infrared intensified radiator, quanta radiator high-energy hot-wind installation, high-energy far infrared radiator hot-wind heat interchanger, Gold Award of the 51st Eureka World Exhibition and Special Award of Genevese Patent Technology in 2002, hence with a promising market prospect.

项目是1450度高温辐射的节能革命，是国家863新能源项目，是国家973(409)工程项目，获得多个荣誉和专利，包括：多源非成像高温远红外定向强辐射器，量子辐射高能热风装置，高能远红外辐射热风险换热器，第51届尤里卡世界博览会金奖，02年日内瓦专利技术特别奖，市场极为广阔。

In medium and high energy groups, histological cholestasis presented characterized by bile plugs in bile ducts, proliferation of interlobular bile ducts, bile pigments in Kupffer cells and hepatocytes, and above performances were more severe in high energy group. In medium energy group, there was only mild liver steatosis, whereas there was significant steatosis in high energy TPN group, and fat accumulation was periportal in distribution.

中能量和高能量TPN组肝组织出现胆栓形成、小叶间胆管增生、肝细胞和枯否氏细胞内胆色素沉积等淤胆特征，而以高能量组较严重，在中能量组仅出现轻度肝脂肪变性，而高能量组出现明显肝脂肪变性，脂肪沉积主要分布于门静脉周围区。

People through nuclear reactions, have been synthesized 17 kinds of atomic number greater than 92 of the transuranic elements, and thousands of The new kinds of radioactive nuclides, and by high-energy and ultra-high energy-ray beam and the interaction of atomic nuclei and found hundreds of kinds of short-lived particles, namely, baryon, meson, lepton, and particle resonance states of these particles has led to a new field of study - the birth of particle physics since the age of .70, nuclear physics has entered a deep development and wide application of new, more mature stage, on the one hand the development of particle acceleration and detection techniques, expanding people's research in nuclear means, the other hand, nuclear technology to serve the national economy, for example, for the development and utilization of nuclear energy to provide more accurate nuclear data; the use of isotope tracer technique diagnosis and treatment of disease; the use of radiation and irradiation preservation of food, irradiation breeding .

人们通过核反应，已经人工合成了17种原子序数大于92的超铀元素和上千种新的放射性核素，并且通过高能和超高能射线束和原子核的相互作用，发现了上百种短寿命粒子、即重子、介子、轻子和共振态粒子，对这些粒子的研究导致了一门新学科——粒子物理学的诞生。70年代以来，核物理进入了纵深发展和广泛应用的新的更成熟的阶段，一方面发展粒子的加速技术和探测技术，扩充人们研究原子核的手段，另一方面将核技术服务于国民经济中，例如，为核能的开发利用提供更为准确的核数据；利用同位素示踪技术诊断和治疗疾病；利用射线及辐照技术保存食品、辐照育种等。

Aim at this problem,it is proposed that the electrostatic precipitator should translate single spark track control mode with high-power and high energy expenditure under the condition of big current presently into energy saving control mode with high-voltage and low-current for high dust efficiency and low ene...

提出了应该由目前的高电流的"大功率高能耗"单一火花跟踪控制模式转变为高电压低电流的节能控制模式，在提高除尘效率的同时降低电能消耗，同时给出了节能控制策略和系统结构框图。

The patterns of Reflection high energy electron diffraction from the epitaxial growth of Si-Ge crystal are interpreted basing on the kinetical diffraction theory of crystal.

在晶体衍射理论基础上，利用运动学理论解释了反射式高能电子衍射（reflection high energy electron diffraction， RHEED）在Si-Ge晶体外延生长过程中不同阶段出现的花样。

Because the nitramine explosive has high mechanical sensitivity and shock wave sensitivity,the attention is given to the security of modern high energy propellant.In order to evaluate the security of NEPE high energy propellant,it's necessary to study and calculate the TNT equivalence of high energy propellant.

1引言硝酸酯增塑的聚醚高能固体推进剂是二十世纪70年代发展起来的新型固体推进剂，它突破了传统的复合和双基推进剂的界限，综合它们各自的优点于一身，是目前已服役的能量最高的推进剂[1]。

The high-energy life and the high-level life are different concepts. High-energy lives are beings with theurgies while high-level lives are principal lives of cosmic space-times.

高能生命与高级生命是不同的概念，高能生命是具有神通的生命，高级生命是宇宙时空的主体生命。

It used the help of a Swedish production of gold, Germany advanced forging process, selected high toughness and hardness of the high-alloy materials, the bionic magnetized, low-temperature gold-plated, antimicrobial technology, such as the United States to import equipment plastic micro-needle, the application of advanced beauty High technology and breakthroughs in genetic engineering of the characteristics of active ingredients, use of plastic micro-needle the United States, used "to the point of" infiltration of AMD technology, multi-point, uniform, comprehensive, in-depth the high-energy original fluid, directly transported to the Skin, containing a variety of nutrition and active components of high-energy original fluid, rapidly absorbed by the skin organizations, play a role, resulting in effect, promoting skin metabolism, and maintain skin elasticity and Jiaomei.

它借助一只采用瑞典生产纯金、德国先进的锻造工艺，精选高韧度、高硬度的合金材料，经过仿生磁化、低温镀金、抗菌等工艺的导入仪器美塑微针，应用先进美容高新科技，突破生物基因工程活性成份的特点，利用微针，采用&点到面&超微渗透技术，多点、均匀、全面、深入的把高能量原生液，直接输送到所需的皮肤组织，让含有多种营养及活性成分的高能量原生液，迅速被肌肤组织吸收，发挥作用，从而产生疗效，促进皮肤新陈代谢，保持皮肤弹性和姣美。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。