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The tunable photon broad band radio frequency phaser based on a silicon ring resonance cavity comprises a pumping signal light-generating system, a carrier wave light-restraining double-sideband generating system, a silicon ring resonance system and a measuring system; wherein, the silicon ring resonance system comprises a light coupling device and the silicon ring resonance cavity; the output of the light coupling device is connected with the input port of the silicon ring resonance cavity; wherein, the silicon ring resonance cavity is composed of a silicon annulet and a root of a straight waveguide; the air gap distance between the silicon annulet and the root of the straight waveguide is several ten nanometers or several hundred nanometers; the taking characteristic of the silicon ring resonance cavity is the characteristic of a seasonal reject trap; the transmission rate in the position of a resonance wavelength is equal to zero or is very close to zero.

本发明包括:泵浦信号光发生系统、载波抑制光双边带产生系统,硅基环形谐振腔系统,以及测量系统。所述硅基环形谐振腔系统包括一个光耦合器和一个硅基环形谐振腔,光耦合器的输出连接到硅基环形谐振腔的输入端口,其中:硅基环形谐振腔由一个硅基微环和一根直波导构成,硅基微环和一根直波导之间的空气隙间隔为几十至几百纳米,硅基环形谐振腔频谱特征是周期性的带阻滤波特性,在谐振波长处的透射率等于0或非常接近0。

The fourth part of this work was to enhance the RIE resistance of the photoresist by substituting the cycloolefin structure for the acrylate structure.

第四部份延伸第三部份之脱水交联反应机制於环烯类负型树脂,并验证环烯类光阻剂具有较压克力光阻剂更优秀的抗蚀刻能力。

This work is focused on the ArF photoresist which is the key chemicals for the next generation of integrated circuit manufacture. Polymethacrylate and Cycloolefin copolymers were synthesized for use as single layer photoresists. The effect of composition, the developing processes, and the kinetic reaction of the photoresist on the lithographic performance were investigated.

本文章针对新一世代IC制程用193nm光阻剂,设计制备一系列的压克力与环烯类单层光阻,深入的探讨树脂组成、光阻剂显影条件的变化、以及光阻剂反应动力因素,与光阻剂微影性质间的关系。

Based on Prandtl's momentum transportation, this paper calculates in detail the physical quantities such as eddy viscosities, and ratio of eddy viscosity to motion viscosity, total stresses with respect to relative position in three regions of viscous sub-layer, buffer layer, and main turbulent stream for non-Newtonian fluid flowing turbulently in ducts, which according to Karman's three layer models and measurement of fluid parameters in evaluation apparatus, discusses the influence of polymer drag reduction on flowing properties of non-Newton fluid, analyzes quantitatively principle of turbulent reduction phenomenon and condition of increasing reduction rate.

摘要以普兰德动量传递理论为基础,按照卡门的三层模型,通过室内模拟环道用0号柴油及加入减阻剂在圆管内的流动参数的测定,计算了非牛顿型流体管内湍流边界层的层流内层、过渡层、湍流中心的涡流粘度,涡流粘度与运动粘度比、总应力随相对位置的变化等定量参数,探讨了高分子减阻剂对非牛顿流体流动特性的影响,对湍流减阻现象的机理与增大减阻率的条件进行了定量分析。

And inhibition of PESA for barium sulfate has been studied, the result show that when the relative molecular weight of PESA is in the range 700 to 850, the scale inhibitions are best, over 90%.

通过静态法研究了聚环氧琥珀酸阻硫酸钡垢的效果,确立了其最佳阻垢效果的分子量范围为700-850,阻垢率在90%以上。

The scale inhibition mechanism of PESA was proposed on the basis of characterization of transformation of calcium carbonate crystal by means of X-ray Diffraction and scanning electron microscopy. The effect of temperature on corrosion inhibition efficiency of PESA was investigated and the Bockris substitution model is proposed to study the thermodynamics of inhibiting process of PESA. The calculation results show the adsorption of PESA on carbon steel is a spontaneous exothermic process with the increase of entropy.

通过X射线衍射和扫描电镜分析手段研究了聚环氧琥珀酸加入前后碳酸钙垢晶型的变化,在此基础上探讨了聚环氧琥珀酸的阻垢机理;考察了温度对聚环氧琥珀酸缓蚀性能的影响,根据Bockris置换模型,计算出中性水质中聚环氧琥珀酸在碳钢表面吸附的热力学函数,计算结果表明:聚环氧琥珀酸在碳钢表面的吸附是一个放热、熵增、自动发生的过程。

In addition, higher enantioselectively was obtained when the groups on the oxazoline ring were less sterically demanding. That is, substrate will be closer to the backbone of ferrocene.

我们发现当恶唑啉上取代基立体位阻减小时我们发现当恶唑啉上取代基立体位阻减小时,产物的对映选择性就会相对较高,因而平面手性的影响很可能就是通过二茂铁非取代茂环和底物及亲核试剂之间的相互作用而产生的。

LY series desulfurizers are synthesized by sterically hindered fatty amine, ethylene oxide andpropylene oxide, which is a ring-splitting polymerization reaction at the catalysts.

采用带有空间位阻基团的脂肪胺在催化剂的作用下与环氧丙烷和环氧乙烷开环聚合,合成LY系列脱硫剂。

The facts indicate that apart from the asymmetric induction of chiral diamine backbone,sterically hindered substitute groups on the aromatic rings,and the presence of sp~3-hydridized amino donors and its N,N\'-disubstituted groups in chiral SalanCrX complexes all play important roles in controlling polymer stereochemistry and enantioselectivity.

研究发现除了手性二胺骨架的不对称诱导作用,苯环上的大位阻取代基、N,N\'-二取代基的位阻作用以及N原子上sp~3杂化的供电子效应都对调控聚合物的区域和对映体选择性有很大作用。

Terpolymer of acrylic acid/acrylic amide/malefic anhydride was synthesized and mixed with polyepoxysuccinic acid in order to improve the scale and corrosion performance of the latter in this study.

为了提高PESA的阻垢缓蚀性能,合成了丙烯酸/丙烯酰胺/马来酸酐三元共聚物,与聚环氧琥珀酸进行物理复配,考察了温度、反应物配比及浓度对复配产品阻垢和缓蚀性能的影响。

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