束

Radius variation of image beam waist due to spherical aberration, which varies with the position of objective beam waist, and optical system focus is analyzed with the form of curve. At last,a design example of optical system used for laser plume attenuation testing system is given to illustrate the effect of spherical aberration on the image beam waist.

本文还提出了在设计过程中存在的球差对激光束像方束腰的影响，对其进行了理论分析，并给出了数学模型，总结出高斯光束的像方束腰半径与物方束腰位置、光学系统焦距之间的关系，并对本光学系统的设计进行了验算。

Self-assembled nanomicelles of N -cholesterol succinyl O -carboxymethyl chitosan were prepared by probe sonication method. The amphiphilic property and the critical micelle concentration of CCMC were determined by fluorescence probe technique; the morphology and the size of CCMC self-assembled nanomicelles were analyzed by transmission electron microscopy and the dynamic laser light scattering.

以 N -胆甾醇琥珀酰基- O -羧甲基壳聚糖(CCMC，胆甾醇基取代度6.9%)为原料，在水溶液中通过探头超声处理制备其自组装凝胶纳米胶束，采用稳态荧光探针法考察临界胶束浓度，并通过透射电镜和动态激光散射仪检测胶束的形态大小。

It is proven that the choice of entrance of light and the beginning of the tangent from crystal surface has no effect on resolving the final direction of light in crystal by Huygensdiagraph and a conclusion that light will still spread in line in singleaxiscrystal is drawn.

当光波入射至单轴晶体时，由于晶体结构的各向异性，入射光波在晶体中将分成两束，一束称o光或称寻常光，另一束称e光或非寻常光，这种现象被称为双折射。对于o光和

The experimental results show that the aggregation morphology of P(AMC14AB) in aqueous solution is unimolecular micelle as expected.

在水溶液中，均聚物P(AMC14AB)呈现单分子链胶束的聚集形态，具有零临界胶束浓度，从开始加入P(AMC14AB)起，水溶液中随即产生单分子链胶束，不存在Krafft温度。

Unmyelinated nerve fibers dominated in number in each nerve tract although there were both myelinated and unmyevinated nerve fibers there. Schwann's cells were related to the development and structure of the two fiber types.

鸡INR被神经束膜分隔成许多神经束，束内既有无髓纤维又有有髓纤维，但以无髓神经纤维的数量占绝对优势。

Base frequency of the buncher is 6 MHz, it can be used in bunching light ion beams as p or D, as well as heavy ion beams up to Cs, with beam utilization efficiency of 50 %—60 %, and pulsed beam width of light ions less than 1 ns.

聚束器基频为6MHz，可以对质子、氘直至铯等所有离子束进行脉冲聚束，束流利用效率可达50％—60％，质子等轻离子脉冲束的脉冲时间宽度小于1ns。

The electron beam current measured by the beam current monitor (BCT3) is almost in direct proportion to the induced voltage of the fundamental harmonic. When the parameters of the pre-buncher and buncher are adjusted greatly while the beam current being unchanged, the fifth harmonic signal has a great change, but the fundamental signal changes gently. The test results are all in good agreement with the theoretic analysis.

根据不同时刻的记录，基频腔峰值电压与束流流强探测器BCT3所测流强值近似成正比关系；当大幅改变预聚束器和聚束器参数而束流流强不变时，反映聚束质量的五倍频腔信号也随之大幅改变，而反映流强信号的基频腔信号则变化不大，这些试验结果与理论分析完全一致。

The measured bunch length ranging between 1.4 mm and 2.0 mm agrees well with the theoretic calculation of 1.5 mm.The electron beam current measured by the beam current monitor(BCT3) is almost in direct proportion to the induced voltage of the fundamental harmonic.When the parameters of the pre-buncher and buncher are adjusted greatly while the beam current ...

根据不同时刻的记录，基频腔峰值电压与束流流强探测器BCT3所测流强值近似成正比关系；当大幅改变预聚束器和聚束器参数而束流流强不变时，反映聚束质量的五倍频腔信号也随之大幅改变，而反映流强信号的基频腔信号则变化不大，这些试验结果与理论分析完全一致。

To ensure the length of buncher , maximum voltage of beam bunching , the maximum amplitude of the scan voltage amplitude with bunch method of sine wave bunching klystron .

采用正弦波速调管聚束理论计算确定聚束筒长度、聚束电压最大幅值、扫描电压最大幅值等主要特性参数。

The electron beam current measured by the beam current monitor(BCT3) is almost in direct proportion to the induced voltage of the fundamental harmonic.When the parameters of the pre-buncher and buncher are adjusted greatly while the beam current being unchanged,the fifth harmonic signal has a great change,but the fundamental signal changes gently.

根据不同时刻的记录，基频腔峰值电压与束流流强探测器BCT3所测流强值近似成正比关系；当大幅改变预聚束器和聚束器参数而束流流强不变时，反映聚束质量的五倍频腔信号也随之大幅改变，而反映流强信号的基频腔信号则变化不大，这些试验结果与理论分析完全一致。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。