势的

Electrons can be easily injected from thegraphitic matrix into the conduction rand of diamond under the high field which resultedfrom the projection field enhancemext.These injected electrons could reach the vacuumsurface and then emit into vacuum where the negative electron affinity or low electronaffinity could allow the electrons to re emitted more easily.

由于场增强效应，对镶嵌在非晶碳颗粒表面的金刚石晶粒来说，电子在高场作用下通过隧道效应越过金刚石晶粒与非晶碳形成的界面势垒，注入金刚石的导带，在电场的作用下迁移到表面，由于某些金刚石表面具有负电子亲和势或较小的正电子亲和势，电子较易发射进入真空。

The exact bound solution of Dirac equation for the above potential is obtained under the condition of equal scalar and vector potentials.

提出了一种新的环状非球谐振子势，在标量势与矢量势相等的条件下，给出了Dirac 方程的束缚态解。

Molecular dynamics simulation and Interatomic potential of Si are also elucidated.

其次，对不同势函数、不同势函数参数下的Si的内聚能和力学性能进行计算，并对势函数参数进行优化。

From thermodynamic point of view a real phase transition process is irreversible and undergoes a series of non-equilibrium states.

根据非平衡热力学理论，实际的相变过程是经历一系列非平衡态的不可逆过程，它是在两相间化学势差Δμ驱动下实现的，在相变中，物质只可能从化学势高的一相向化学势低的一相转化。

Based on the QMD model, in addition to the Skyrme-type, Yukawa and Coulomb interactions, a macroscopic potential, which is dependent on the neutron andproton number N,Z of the cluster and consists of the symmetrical energy of liquiddrop model and shell and pairing correction energies, has been taken into account.

基于QuantumMolecularDynamics模型，在Skyrme类型势，Yukawa和库仑相互作用势外，又考虑了与碎片集团的中子、质子数相关的宏观势，即波滴模型中的对称能再加上壳修正能和对修正能。

The wellbore pressure drop of snaky well can＇t be neglected for its producing interval has large fluctuation, and the conventional productivity calculation methods for horizontal wells could not be applied directly for snaky wells.

以1口蛇曲井在无界地层中生产时引起的势分布为基础，根据镜像反映和势叠加原理，建立了底水油藏、气顶底水油藏及边水油藏中1口蛇曲井生产时的势分布和压力分布方程。

Based on the FDTD method,three different potential-barrier problems including rectangular potential-barrier,deltoid potential-barrier and syntonic potential-barrier are investigated.

在此基础上，计算模拟了三种不同的势垒如方势垒、三角形势垒和谐振势垒下系统的能量变化、概率变化，再现了量子隧道效应这一重要物理现象。

MethodsOn the 8th day after making castrated model rats by operation,we respectively fed NS,YXTGYS,Nanbao mixed liquid into the stomaches of the different groups of male rats for 21 days. Afterwards,sexual activity and attached NO content of endothelium cell of penial corpus cavernosum were obverved.

方法手术去势造模，造模后第8天对不同实验组分别灌喂生理盐水、养心调肝益肾煎剂、男宝混悬液，用药21 d后观察去势雄鼠的性活动，并测定去势雄鼠阴茎海绵体内皮细胞NO的含量。

The boundary element method has been used in this paper to calculate the potential wake fraction of the 8301 twin stern ship,the HS80 high speed passenger ship and large diameter to draft ratio FT8601 pushboat .

采用边界元方法对 830 1双尾船、HS80高速客船以及大径深比 FT860 1推轮共 3艘内河双桨船型的势伴流分数进行了计算，探讨了势伴流占总伴流的比例以及桨盘处势伴流的分布规律，得出了一些初步结论。

The results of the study showed that the cholesterol, sodium, total protein and iron content of the yellow leg chicken were higher than the white leg chicken. Glucose, phosphorous, cholesterol, triglyceride, total protein in the blood of castrated chicken were higher as compared with non castrated chicken, but blood urea nitrogen was lower in castrated chicken.

试验结果指出黄脚胫的鸡在胆固醇、钠离子、总蛋白质和铁离子上比白脚胫的鸡为高，去势鸡其血中葡萄糖、磷离子、胆固醇、三酸甘油脂、总蛋白质均较不去势鸡为高，但血中尿素氮比不去势鸡低。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。