查询词典 two-by-four

From the potential energy profile, it can be predicted that, the dominant channel of this reaction consists of three steps: the two reactants first form a three-membered ring intermediate (INT1) through a barrier-free exothermic reaction of 19.2 kJ/mol; three-membered ring intermediate (INT1) isomerizes to a four-membered ring silylene(P2) via the transition state (TS2) with an energy barrier of 22.8 kJ/mol; four-membered ring silylene(P2) further reacts with ethene(R2) to form a silicic bis-heterocyclic compound (P3), which is also a barrier-free exothermic reaction of 132.2 kJ/mol.

用CCSD//MP2/6-31G*方法研究了单重态二甲基亚烷基硅烯与乙烯生成硅杂双环化合物环加成反应的机理，根据该反应的势能面可以预言，该反应的主反应通道有三步组成：第一步是两反应物（R1， R2）首先生成了一三元环中间体（INT1），它是一无势垒的放热反应，放出的能量为19.2 kJ/mol；第二步是三元环中间体(INT1)经过渡态TS2异构化为了四元环硅烯（P2），其势垒为22.8 kJ/mol；第三步是四元环硅烯（P2）进一步与乙烯(R2)反应生成了硅杂双环化合物（P3），该反应也是一无势垒的放热反应，放出的能量为132.2 kJ/mol。

To achieve high-quality printing and product diversification introducing automatic Edition Roland 700 four-color computer alcohol machine, RCI infrared computer alcohol hot air machine and two-color four-color machine series, and supporting the German high-speed folding machine, lock screw line riding machines, automatic visco-box machine, beer machine ... hot ... really do beer, sticky, hot one-stop production.

为达至高质印刷及产品多样化特引进罗兰700全自动装版电脑酒精四色机、 RCI 红外热风电脑酒精四色机及双色机系列，并配套德国高速折页机、锁线骑钉机、自动粘盒机、啤烫机……真正做到啤、粘、烫一条龙生产服务。

At last, according to three-microphone method, four-microphone with two different ends method and four-microphone method, this paper compare with this three methos from principle, formula and measuring ways.

最后，针对目前驻波管法的三传感器法、改变边界条件的四传感器法和四传感器法三种隔声量测量方法，从原理、计算公式的推导及测量方法等方面进行了比较。

This prospective, nonrandomized, open study took place at a private dermatology practice. A sequence of four groups, each made up of 10 to 20 office patients with DSO, were treated with pulse-dosed oral terbinafine, 250 mg per day for seven consecutive days, at intervals of two, three, and four months. Treatment was stopped when the distally advancing new nail bed and nail had completely removed the mycotic defect, or when fungistasis had failed.

这项研究是在一家私人皮肤科诊所进行的，为一预期性、随机性的设计；试验组包含一系列的四组，每组都有10至20个DSO患者，每位患者都接受脉冲式口服terbinafine治疗：每天250毫克，连续7天为一个治疗期；治疗间隔为2个月、3个月及4个月，治疗直到受霉菌感染的甲床及指甲，以自然生长的方式，完全被更换，或是这项抑霉治疗法无效为止。

It didn't finish there, in fact the two of us had sex four times that night pretty good for a girl who'd had six white wines and four double vodkas.

而且不是一次就完事了，那一夜整整四次！对一个喝了六瓶白酒和四个双份伏特加的女孩来说，很牛逼吧？！

To increase the security of the watermark, a new binary image encryption algorithm based on TD-ERCS map is presented. The watermark is encrypted by a chaos sequence generated by TD-ERCS map; A novel color image watermarking algorithm is proposed based on discrete chaotic map and 2-dimensions discrete wavelet transform. The watermark is encrypted by the new binary image encryption algorithm, and the encrypted watermark is embed into four sub-bands of the most deep level of blue branch of host image by three-level wavelet transform, and the embedded positions are determined by general cat cha otic map; A novel color-image blind detection watermarking algorithm is proposed based on integer wavelet transform and subsampling. The scrambled watermark is encrypted and embed into the low sub-bands after four sub-images of the Y branch of host image is transformed by two-level wavelet transform, and the embedded positions are determined by Logistic chaotic map, this watermarking scheme can realize blind extraction.

为了提高水印图像的安全性，提出了一种基于TD-ERCS混沌映射的二值水印图像的加密算法，该算法利用TD-ERCS映射产生的混沌序列加密水印图像；将离散混沌映射和二维离散小波变换相结合，研究了彩色图像水印新算法，该算法先对混沌序列加密后的水印图像进行小波变换，再嵌入到宿主图像的蓝色分量的最深层的四个子带中，嵌入位置则由广义猫映射确定；将整数小波变换和图像子采样技术应用于数字水印，提出了一种彩色图像盲提取水印算法，水印嵌入时，先对宿主图像在YIQ色彩空间中的Y分量进行子采样，并对得到的四个子图像分别进行二级离散小波变换，然后将置乱并加密后的水印图像嵌入到小波变换后的低频子带中，其嵌入位置由Logistic混沌映射产生的混沌序列确定，实现了水印的盲提取。

All printing takes place on a 64-page KBA Commander web press with four 9-cylinder satellite towers, four splicers/pasters and two folders.

所有印制需在64页KBA的指挥官，4 9轮转印刷机缸星塔，4个捻接器/贴纸和两个文件夹的地方。

Further army evaluation followed when first two of four production Ka-50s were funded in 1994 and officially accepted on 28 August 1995; third and fourth received in 1996; these four numbered 20 to 23 (prompting pre-series 021 to be renumbered 024 to avoid confusion).

进一步军队评价遵循的四条生产家共资助50岁前两个在1994年和1995年8月28日正式；第三次和第四次在1996年获得接纳；这4个编号的20到23（提示前021系列将改为024，以避免混淆）。

The main matter of the third section is that two traditional power converter main circuit for four phase SRM are analyzed, optimized and synthesized, the paper gives the main circuit of new power converter for four phase SR motor.

第三部分为功率变换器的设计，在详细分析四相电机常用的两种主电路优缺点的基础上，给出了目前相对性价比最优的最少主开关主电路形式。

There are four main products rope, five-rope fast Dray, 0.5 T-5T fast, medium-speed hoist 12, 18-cutting machine, four to justice derrick, gasoline hand-ray machines, electric hand-ray machine, with two machines, vacuum suction Machine, Kewen machine, welding machine, welding machine, tunnels, bridges, reservoirs for the Pistons pump, injection pump, 350, 500, 750, the concrete mixer ingredients bucket, vertical 350-mixer, satellite mixer, mortar Machines, road cleaning machines, road paving machines, steel cutting machine, steel bending machines, bending machines hoop, Washidahang machine, fast-straight machines, machine vibration solidify, the impact ram, plate ram, the tower crane, build Block molding machines, loaders, rollers, and so full of construction equipment.

产品主要有四绳、五绳快速曳引机，0.5T-5T快速、中速卷扬机12型、18型切割机，四绳井架、汽油抹光机、电动抹光机、二用机、真空吸水机、刻纹机、电焊机、对焊机，隧道、桥梁、水库专用活塞泵、注浆泵，350型、500型、750型、混凝土搅拌机配料斗，立式350型搅拌机、卫星搅拌机、砂浆机、路面清灰机、路面铺平机，钢筋切断机、钢筋弯曲机、弯箍机、蛙式打夯机，快速调直机、震动夯实机、冲击夯、平板夯、塔机、砌块成型机、装载机、压路机等全套建筑设备。

He paid $5,000 for this cupcake.

他我这个纸杯蛋糕花了5000美元。

I mean, if you want to, that is

我的意思是，如果你们想吃的话。