查询词典 beam-focusing

Steel-concrete composite beam is a kind of flexural member composed by concrete slab and steel beam via shear connectors.

钢-混凝土组合梁是指钢梁和混凝土板通过剪力连接件连接形成整体共同工作的受弯构件。

The accumulated self-exciting dose for Na-24 is only 1.12 mGy during its average life-time for irradiation of total thermal neutron fluence of 3.6E12 nth/cm^2. Conclusions: Because of the self-exciting dose reduced from neutron activation can be neglected for gamma dose measurement in neutron and gamma mixed field, and the threshold of linear response is 2 Gy, the FWT-70-40 dosimeter not only can be used for high dose rate Co-60 irradiation field and the high energy electron beam for medical purpose, but also can be used for gamma dose measurement in an epithermal neutron beam for boron neutron capture therapy.

型号FWT-70-4OM）剂量计於BNCT高中子通量与剂量的中子、加马混合辐射场所产生的自激剂量，对加马剂量度量干扰可忽略，且对加马的最低剂量限值为2Gy，因此除可应用於钴60加马高剂量辐射场与放射治疗用高能量、高剂量电子射束的剂量度量外，亦可应用於BNCT照射治疗用高能量、高剂量的中子、加马混合辐射场的加马剂量度量。

Overlapped increment scanning in electron beam lithography and the calculation methods for the exposure doses and the etching depth and sensitivity are presented for the structural characteristics of three-dimensional patterns as well as the self-devised pattern generator of an e-beam lithography system.

针对三维曝光图形的结构特点，结合自行设计的图形发生器，提出了电子束重复增量扫描方式及曝光剂量与刻蚀深度关系和灵敏度的计算方法。

Because the scale Gaussian beam description is not accurately satisfies Maxwell equation, it is not suitable for the study of interaction between the beam and small spherical particle.

由于标量高斯光束模不是麦克斯韦方程的准确解，因而不能用于研究粒子与聚焦光束相互作用问题。

The results indicate that, using the PCMTS cores as the actuators, an ideal deflection of the sandwich beam is generated and the vibration of the sandwich beam is suppressed effectively.

结果表明，利用PCMTS作为驱动元件，夹芯梁获得了比较理想的变形量，其振动也能得到较为有效的控制，因此是一种很有应用前途的驱动方式。

Assuming the angular velocity of the beam is given as a harmonic function of time, the rotating sandwich beam is regarded as a parametrically excited system.

假设电流变夹层梁绕固定轴线做随时间变化的简谐周期运动，将变速度转动梁作为一个时变参激振动系统，分析了不同结构和控制参数对失稳区域的影响。

Based on the principle of energy superposition and by using the equivalent transformation for beam sections, an expression for calculating the energy releasing rate of interface crack growth in a sandwich beam specimen is developed, and the toughness for the interface of Si 3N 4/Al formed by vacuum diffusion method is measured by a particularly designed four point bending test system.

基于能量叠加和梁的等效截面转换原理，本文导出了计算Sandwich梁试样界面裂纹扩展能量释放率的解析式，并利用专门设计的四点弯曲实验系统测得了Si3N4／Al真空扩散连接界面的韧性，进而为优化陶瓷／金属连接工艺、筛选材料组配和评价其连接界面的抗断裂性能提供了必要的研究方法和实验手段。

The results of the test show that the bearing capacity of the continuous roof beam of flexural capacity can be improved by Pasted CFRP effectively with different quantities of CFRP sheets. The reliability of beam after strengthened is analyzed.

试验结果表明：粘贴CFRP可以有效地提高连续梁的抗弯承载力；在不同的加固量下，加固后的梁有不同的破坏模式；本文对加固后的连续梁的可靠度进行了分析。

Was established in 2001, is specialized in producing mines light support equipment businesses, product-led campaign for the suspended roof beam and the combination of top-hydraulic support beam hydraulic support.

北京蓝畅机械有限公司成立于2001年，是一家专业生产矿山轻型支护设备的企业，主导产品为系列悬移顶梁液压支架和组合顶梁液压支架。

And effective methods are introduced for the reinforcement of steel beam,the connection of platform post with original steel beam,roof reinforcement and opening treatment.

结合中国民族工商业博物馆加固改造工程实例，讨论近代砖混结构加固改造设计中应考虑的若干关键问题，并介绍钢梁加固、平台柱与原钢梁连接、屋面加固、开洞处理等具体作法。

In the negative and interrogative forms, of course, this is identical to the non-emphatic forms.

。但是，在否定句或疑问句里，这种带有"do"的方法表达的效果却没有什么强调的意思。

Go down on one's knees;kneel down

屈膝跪下。。。下跪祈祷