加速器

The phase resolution was successfully improved to better than 0.3°, which will be applied to future research on FEL driven by linac.

并从未来的直线加速器驱动的自由电子激光研究需求出发，成功地将微波相位检测精度提高到了优于0.3°的水平。

The key for dose output of LINAC to assure the nicety and cure effect is stabilization and veracity of dose inspect,so it is more important to test the dose output linearity.

剂量监测系统的稳定性和准确性是保证加速器输出剂量的准确度和治疗效果的关键，对剂量监测系统示值线性这一重要指标的检测是十分必要的。

Beijing Medical Equipment Institute is an independent institute for Research and Development of electron linac accelerators used for radiotherapy and reformed as a company recently.

而北京医疗器械研究所是国内从事医用电子直线加速器的专业研究所，最近已经改造为企业，是国内的同行业内的领头企业。

In the description of linacs we have swept many problems.

在对直线加速器的描述中，我们已经回避了许多问题。

The variable high-power directional coupler could be used in the high power RF systems for linacs and the other devices.

它具有调整范围宽，承受功率高，真空性能好的优点。可用于电子直线加速器和其它高功率微波设备中。

Nonlinear feedback control of halo-chaos in high-intensity linacs.

非线性反馈控制强流加速器中的束晕-混沌现象。

In recent years,high current ion linacs have become increasingly attractive for applications such as heavy ion fusion and nuclear waste treatment,and these applications have raised strict requirements of low beam losses.

强流离子直线加速器因其可作为次临界装置的驱动器，近来在放射性洁净核能系统等方面的应用中出现了一些新的动向，引起人们极大的关注。

With the drive of synchrotron ring magnets as the main target, a new scheme is proposed for producting pulsed large currents with flat top and bottom in a large inductance loading .

以同步加速器环磁铁的激励为主要对象，提出了在大电感负载中产生平顶平底脉冲大电流的一个新的方案。

Rats in the group R and group M were exposed to thoracic radiation at a dose of 20 Gy by linear accelerator after intrabdminal injection pentobarbital Sodium by 40 mg/kg.

照射组和治疗组腹腔内注射戊巴比妥钠40 mg/kg给予直线加速器照射，照射剂量单次20 Gy/min，照射前7 d，照射组给予等量生理盐水腹腔内注射，治疗组给予氨溴索35 mg/kg。

From magnifiers, optical microscopes, to radiation discovered at the beginning of the twentieth century, and with the advancement in accelerators, the observation of substances is becoming microscopic.

从放大镜、光学显微镜、电子显微镜，到二十世纪初发现了放射线，伴随著加速器的出现，对物质的观察已越来越微观，原子以下的世界逐步揭开。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。