束为

结论利用立体定向技术，选择内侧前脑束为靶点，可建立6-OHDA大鼠PD模型。

Conclusion PD rat model was successfully established by injection of 6-OHDA with the stereotactic technique .

以低能氮离子束为诱变源，对甘草种进行注入处理后，以萌发的幼苗为材料对其在干旱胁迫条件下保护酶活性及MDA含量变化进行研究。

The effect of N + ion implantation on the antioxidative system ( SOD 、 CAT ) and MDA content of liquorice seedlings ( Glycyrrhiza uralensis Fisch ) under PEG-induced drought stress was investigated in this study .

以极化电子束为入射探针的积分Stokes参量研究，已发展成为研究碰撞激发过程中自旋相关效应最直接有效的手段。

Integrated Stokes parameters measurement of light emitted by atoms excited by polarized electrons has been developed to be a powerful tool for direct studies of spin-dependent effects in electron-impact excitation process .

运动神经元病（MotorNeuronDiseaseMND）是一种原因不明的以侵犯脑干运动神经、损害脊髓前角细胞和锥体束为主要特征的慢性进行性变异性疾病。

Motor neuron disease ( MND ) is a kind of unexplained for violation of brainstem motor nerve , damage to the spinal cord anterior horn cells and pyramidal tract as the main features of chronic progressive disease variability .

SEM观察结果表明：刚性链PAM在尼龙6中的存在形式为：以链或链束为核，以尼龙6结晶为表的棒状结晶体。

The observation by means of SEM show that the state in which the rigid chain PAM in nylon 6 is rod shape crystal which use chain or chain bunch as core , and nylon 6 as coating .

本文以北京同步辐射装置产生的同步X射线束为光源，应用衍射增强成像（DEI）技术，对人和动物脏器的软组织进行相位衬度成像。

In this paper , the synchrotron X ray source at BSRF was used to investigate the microstructure of lung , liver and kidney by means of the DEI phase contrast micro-imaging method .

低能离子束为近代育种的新型诱变途径，在育种方面已取得了较好的经济效益，但关于低能离子束对ABA生物合成的影响尚未有研究。

Although as a new mutagenic breeding pathway low energy ion beam was widely applied and created better economic benefits , there has no research on the influence of low energy ion beam for ABA biosynthesis .

放射性核束为核物理和核天体物理提供的新机遇

Challenge and Chance for Nuclear Physics and Astrophysics with Radioactive Ion Beams

以激光束为基准测量工作台直线运动误差的原理探讨

On the principle of measuring kinematic errors of a moving table using two laser beams as a plane datum

以同源四倍体核不育水稻为研究材料，以氮离子束为诱变源完成了离子注入试验。

The N + implantation experiment , taking autotetraploid rice with nucleus male sterility as materials , was finished .

使用方法：先用保护带固定起点一端，然后顺时针方向环绕束紧，即可将电线束为一体。

Usage : fix one end with safety belt first , then circle the wires clockwise to make them tighten .

结论：右心室条束为正常解剖结构，但其异常可能引起临床症状。

Conclusion : Right ventricular hands an : normal human anatomical structures , but their abnormality would possibly result in clinical symptoms .

方法对25例口腔软组织缺损，应用以单侧腭大神经血管束为蒂的全硬腭岛状黏骨膜瓣转位修复。

Methods The whole-palate flap pedicled with the unilateral greater palatine artery was used to repair 25 cases of oral soft tissue defects .

结论：可设计以三角肌前束为蒂的锁骨瓣转位修复肱骨上段骨不连、骨缺损及软组织缺损。

Conclusion : Transposition of clavicular flap pedicled with anterior bundle could be used to repair bone nonunion , bone defect and soft tissue defect .

由于板式空冷器的板束为垂直设计，因此，介质进入板束时的均布水平对于空冷器的冷却效率有着重要的影响。

Since plate bundles of plate heat exchangers were designated vertically , while the medium enters plate bundles , the uniform level has an important influence on cooling efficiency .

3&4周，血运重建达高峰，在组织瓣中形成以植入血管束为中心的同新生毛细血管相沟通的血管网，同时，软骨膜下出现成软骨现象。

At 3rd to 4th week , the outgrowth achieved the highest level , and new vessels anastomose in the flaps . In the meantime , new cartilage cells formed .

结果：髂耻束为腹模筋膜在腹股沟韧带深面的增厚部分，与腹股沟韧带平行，参与腹股沟管后壁的组成。

Results : Iliopectineal tract is the thicken part of the transverse fascia under the inguinal ligament , paralleling the inguinal ligament , and it takes part in the constitution of the posterior wall of the inguinal canal .

利用3份二倍体水稻为材料，以氮离子束为诱变源，研究了离子注入后所引起的生物学效应和离子注入对水稻多倍化的效果。

The effects of N ~ + ion implantation on diploid rice and inducement of polyploid rice were researched , using the 3 sets of diploid rice as the materials and N ~ + ion beam as the mutagenic agent .

下列特征有助于听神经瘤诊断：（1）肿瘤以第Ⅶ、Ⅷ神经束为中心生长，病侧Ⅶ、Ⅷ神经束明显增粗，与肿瘤无明确分界；

The following features are helpful in the diagnosis of acoustic neuroma : ( 1 ) The tumors grow round the affected nerves and are poorly demarcated from the affected nerves . The thickening of the affected nerves is usually visible .

方法：对47例口腔癌患者术后软组织缺损，选择以腭大神经血管束为蒂的半腭瓣及单侧腭大神经血管束为蒂的全腭瓣转位修复，并分析其优缺点。

METHODS : 25 half-palatal flaps and 22 whole-palatal flaps with vascular pedicles of the palatal nerve vessels were harvested to repair the postoperative defects of oral soft tissues in 47 patients with oral cancers , the merits and shortcomings were analyzed .

等离子激光复合直接成形是一种以等离子激光复合能束为热源、直接由金属粉末快速制造零件的技术，以解决高温合金零件制造周期长、成本高的问题。

The hybrid plasma-laser deposition manufacturing ( PLDM ), which uses hybrid plasma-laser as thermal resource , is one type of rapid manufacturing technology . It uses metal powder directly to rapidly fabricate parts and solves the problems of long manufacturing cycle and high costs .

激光束整形为矩形光束的DOE的设计及实验

The designation and experiment of the DOE which applied to shaping the laser beam to rectangle shape

其中，系统的反射率达到了81.03%，激光扩束比为1：12.04，激光发射轴和CCD摄像轴的空间偏移量为0.31mrad。

Meanwhile the reflectivity of system reached 81.03 % , the ratio of expanded beam is 1:12.04 , the space migration of laser emission axis and CCD camera axis is 0.31 mrad .

目的：探讨Chiari截骨、血管束植入为基础的综合手术治疗髋关节发育不良晚期病变的远期疗效。

Objective : To evaluate the long-term effect of combination operations of Chiari osteotom and vascular bundle graft in the treatment of late changes of congenital hip dysplasia .

传感器是以二维Dammann光栅和Fresnel波带板所组成的集成二元光学分束器为核心设计的。

The sensor is designed with the core of a binary optical splitter , which is made up of a two-dimension Dammann grating and a Fresnel zone plate .

然后用PIC程序对其特性进行了粒子模拟，在二极管输入电压500kV、电子束电流为30kA条件下，最终得到了峰值功率6GW、频率1.3GHz的微波输出。

An output power of 6 GW is generated with 500 kV voltage , 30 kA beam current and the frequency is 1.3 GHz .

采用一束激光为泵浦光另一束激光为探测光的方法，获得cdh分子a~2∏态和x~2∑~+态之间跃迁产生的具有转动结构的多个荧光谱和激发谱带。

Using pump - and - probe methods of laser spectroscopy , we observed several fluorescence and excitation bands with rotational structure of radiative transition between the A2 ∏ and X2 ∑ + states of the CdH molecule .

研究了用能量为30keV～40keV，束流为80mA～200mA的低能氮和氩离子束对Ti膜进行轰击的作用以及用低能氮离子束对真空电弧沉积Ti-N膜层辅助沉积作用。

Titanium film with the low-energy nitrogen and argon ion bombardment and titanium nitride thin films prepared by vacuum arc deposition with low-energy nitrogen IBAD in the range of 30 ~ 40 keV were studied .

在束流为120mA时，距源26cm处，在主轴方向27cm的范围内不均匀性小于±6%。该离子束源可作为大面积离子束刻蚀、离子束抛光等的离子束源。

The beam current uniformity is better than ± 6 % along the major axis over 27 cm length at a distance 26 cm from the ion beam source .

对可以用于中国加速器驱动洁净核能系统的入射质子能量为150MeV，束流为3mA的固态金属靶进行了研究。

The study on properties of the solid metal neutron production target for China ADS proton-induced with energy 150 MeV and beam current 3 mA is performed .