查询词典 beam splitter

The construction technology of prestessing anchored cables and ground beam s,the effectiveness and the superiority of controlling the high slope disasters with the prestressed anchored cables and ground beam s.

分析了内蒙古老集高速公路第四合同段高边坡病害成因及相应治理方案，阐述了预应力锚索及地梁施工工艺，指出在处理高边坡病害中预应力锚索地梁特有的有效性和优越性。

Then the time-dependent resistance models of the timber beam and timber column are calculated in which the empirical formula in China is used for above- ground,exposed timber beam and column and the decay depth model for under-ground timber in Australia is adepted the timber embedding wall.

然后据此推导了彩钢活动房各类构件的腐朽抗力衰减模型，采用国内经验公式推导了抗弯腐朽木梁和地面上木柱的随机时变抗力模型；采用澳大利亚的地下木材的腐朽深度—时间模型，推导了初始抗力为正态分布的随机变量的墙内木柱的随机时变抗压承载力模型，并采用该模型对某历史结构的木梁进行了剩余寿命预测。

The beam of VHF radar is rather wide,and the reflection from ground results in beam split,thus the radar can only be used to estimate its height while it cannot be used to measure the height accurately.

米波雷达的波束较宽、由于地面反射引起波瓣分裂，通常只能估高而不能用来测高。

Then the time-dependent resistance models of the timber beam and timber column are calculated in which the empirical formula in China is used for above- ground,exposed timber beam and column and the decay depth model for under-ground timber in Australia is adepted the timber embedding wall.

然后据此推导了各类构件的腐朽抗力衰减模型，采用国内经验公式推导了抗弯腐朽木梁和地面上木柱的随机时变抗力模型；采用澳大利亚的地下木材的腐朽深度—时间模型，推导了初始抗力为正态分布的随机变量的墙内木柱的随机时变抗压承载力模型，并采用该模型对某历史结构的木梁进行了剩余寿命预测。

But the real focus of shoring in hard rock, the rock Zaocheng a trapezoidal shape of right-angle look, and then insert-beam, and right-angle ladder to fully close some acute angle, using principles of mechanics into a half-beam as the base.

而真正的重心撑在坚硬岩石里，岩石凿成了形似直角梯形的样子，然后插入飞梁，使其与直角梯形锐角部分充分接近，利用力学原理半插飞梁为基。

When conventional radiotherapy of nasopharyngeal carcinoma is practiced with the facio-neck field and inferior-neck-supraclavicular field by the half-beam technique, it is confirmed that the dose-overlap region at the match-plane is smaller than the whole-beam technique.

背景 近年来放射治疗剂量学研究表明，鼻咽癌应用面颈联合野与下颈切线野放射治疗时，与全束照射技术相比，半束照射技术的照射野衔接处剂量重叠区较小，理论上可能降低放射性神经损伤的发生率。

Conclusions. The application of the half-beam irradiation for radiotherapy of NPC may reduce the incidence of RILCNP in the long term compared with the whole-beam technique, but the results had no significant effects.

应用半束放射治疗技术衔接面颈联合野与下颈前切线野治疗鼻咽癌，与全束照射相比，本研究随访期内后组颅神经损伤发生率稍低，但差别尚不显著。

Recently, diffractive optical elements have been applied to various aspects, such as the pick-up head of DVD, beam shaping and beam dividing, etc.

摘要绕射光学元件，近来应用日渐广泛，可应用於DVD读写头，及光束整型，光束分离等。

Recently, diffractive optical elements have been applied to various aspects, such as the pick-up head of DVD, beam shaping and beam dividing, etc.

绕射光学元件，近来应用日渐广泛，可应用於DVD读写头，及光束整型、光束分离等。

This paper introduces a kind of new anticollision beam,hold cage type absorption power anticollision beam .

介绍了一种新型的防撞梁—托罐式吸能防撞梁，它不仅能把过卷的大部分能量吸收掉，使撞击的损失减小，而且还能把容器托住。

However it can often be frust ating for a child when people are unable to pronounce their name.

但它往往可以令人沮丧的一个孩子当人们无法断言他们的名字。

All these compounds were obtained from this genus for the first time. Compound, 4-cumylphenol, was a new nature product.

所有化合物均为首次从本属海藻中分离得到，其中4cumylphenol为新天然产物。