矢的

The quantum conductance can be largely reduced by interference when there is mismatch between the Fermi wave vector and the atomic lattice along the circumferential direction.

当相邻缺陷沿周长方向的距离与费米波矢长度不匹配时，体系的量子电导因为波函数发生相消干涉而被极大的降低。

The check and measure methods of Bragg angle step and precision etc. parameters with high precision autocollimation are investigated.

针对同步辐射光束线中的弧矢聚焦双晶体单色器，研究了高准确度自准直平行光管对Bragg转角的步长分辨、转角准确度等参量检测的方法。

After anesthesia, the guinea pigs'scalp surface was exposed and two stainless screws (5 mm length and 1.2 mm diameter) were implanted at 6 mm in front of and 10 mm behind bregma, as reference electrode and recording electrode. In the middle, a third stainless screw was implanted as ground electrode. 3 days later, awaked guinea pigs were fixed in multifunctional head-body apparatus. RETI-port system was used to record PVEP of control group and experiment group.

麻醉后，在前囟前6 mm、后10 mm及矢状缝正中处钻孔，均植入长5 mm、直径1.2 mm的不锈钢螺钉作为参考电极、记录电极和地极。3 d后，将清醒状态下的豚鼠固定于自制多功能头身一体化固定台面上，采用RET I-port系统(Roland Consult，德国)分别记录对照组和实验组图形视觉诱发电位的变化。

The BBC attempt is hopeless but a producer from Fox News scores a bull's eye.

BBC记者的尝试没有成功，但福克斯新闻的一位制作人却一矢中的。

Normal rat embryos and embryos with ARM from gestational days 12.5 to 20 were sectioned serially and sagittally and stained with HE to observe development of cloaca and anorectum continually and contrastively.

胎龄12.5天-20天的正常及泄殖腔发育畸形的胎鼠正中矢状面连续切片，HE染色，连续动态对比观察泄殖腔及肛门直肠的发育过程。

Methods\ The size and shape of conchae, nasal meatuses and the structures of the lateral wall in middle nasal meatus were observed and measured on 67 sides of the sagittal head specimens and the distances from anterior nasal spine to other anatomic parts were also measured.

方法选用67侧正中矢状切的头部标本，观测各鼻甲、鼻道及中鼻道外侧壁结构的形态和大小，并测量前鼻棘至各解剖部位的距离。

Mathematical model has been dealt with by punish function search method. Hooke-Jeeves modular vector search method and Powell conjugate direction search method have been adopted and modified.

利用"惩罚函数"法进行了数学模型的处理，采用并改进了Hooke-Jeeves的模矢搜索法及Powell的共轭方向法，还提出一种随机搜索法。

One is the usual distorted energy density of director field around the disclination lines.

一部分是通常的液晶指向矢场在向错线周围的畸变能密度；另一部分是向错线自身的自由能密度。

Some previously described taxa have been revised, especially those of the Jehol Biota (e. G., Yabeinosaurus tenuis, long considered a small gracile lizard, but shown to be a large robust genus with all previous specimens juvenile).

部分旧属种被修订，多与热河生物群的种类有关，如细小矢部龙过去依据幼年个体被认为是一种小型细弱的蜥蜴，新材料显示它实为大型强壮的种类。

Axisymmetric nonlinear free vibrations of bimetallic shallow shells of revolution with uniformly distributed stationary temperature changes are investigated using the energy variational method and the homotopic perturbation method.

数值结果表明，变温对双层扁壳非线性振动的频率有明显的影响，而扁壳矢高可以改变振动的弹簧特性。

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。