查询词典 2-butene

The results indicated that the total hydrodesulfurization ratio of sulfur-containing compounds of FCC gasoline was 86.3%, sulfide and tetrahydrothiophene were completely conversed, the hydrodesulfurization ratio of mercaptans was 96.6%, the hydrodesulfurization ratio of thiophene was 78.8%, the hydrodesulfurization ratio of alkyl-substituted thiophene was 85.8%, the hydrodesulfurization ratio of benzothiophene was 81.4% The conversed products of 3-methylthiophene were including little sulfur specie, isomerized sulfur specie (2-methylthiophene) and larger sulfur specie (2, 5-dimethylthiophene, 2,4-dimethylthiophene, 2,3-dimethylthiophene).

结果表明FCC汽油硫化物总脱硫率为86.3%，其中，硫醚和四氢噻吩的转化率都达到100%，硫醇硫转化率96.6%，噻吩硫转化率78.8%，烷基噻吩转化率85.8%，苯并噻吩转化率81.4%。3-甲基噻吩在OTA催化剂上的转化产物中含有小分子，异构硫化物（2-甲基噻吩），以及大分子异构硫化物（如2，5-二甲基噻吩、2，4-二甲基噻吩和2，3-二甲基噻吩）。

Total 28 samples were collected from the section of 385.8—386.4 mcd at ODP Site 1144 (20°3.18′N , 117°25.14′E , water depth 2 037 m), northern South China Sea, and microtektite, planktonic foraminifera and stable isotope analyses were performed in order to evaluate the effect of the mid-Pleistocene impact on microplanktonic communities and environment.

本文对采自南海北部 ODP114 4站(2 0°3.18′N，117°2 5 。14′E，水深 2 0 37m) 385 。8— 386 。4 m层段的 2 8个沉积物样品进行了微玻陨石、浮游有孔虫及其同位素分析，以评估中更新世撞击事件对环境的影响。微玻陨石见于孔深 386 。12— 386 。38m，而集中分布在 386 。2 2— 386 。2 5 m厚约 3cm的地层中。

Raw materials: 2 cans refrigerated pizza dough, 1/2-3/4 cup cheese as its broken Moze, the 3 / 4 cup of monterey jack of the tear , 3 / 4 cup broken Qida cheese, 3 / 4 cup broken provolone , 2 tablespoons broken Parma cheese, 2 tablespoons romano broken, and you have the choice of the top feed pepperoni, bell pepper, olives, etc.

原料：2罐冷藏的比萨面团、1/2－3/4杯碎莫泽雷勒干酪（分散使用、3/4杯撕碎了的monterey jack（不知道是什么，知道得说一声）、3/4杯碎切达干酪、3/4杯碎provolone、2汤匙碎帕尔马干酪、2汤匙碎romano、你可选择的顶层加料pepperoni，铃辣椒，橄榄，等等。

Results:The strength and fracture toughness of nanometre alumina-glass composite were 358.2 MPa, 2.38 MPam1/2 respectively.

结果：用纳米颗粒氧化铝制作的氧化铝玻璃复合体强度(358.2 MPa)、断裂韧性(2.38 MPam1/2)显著低于微米氧化铝玻璃复合体的强度(432.2 MPa)和断裂韧性(5.12 MPam1/2)。

We have synthesized a series of 4,4′ perfluoro-alkylated bipyridine ligands[4,4′- bis(RfCH2OCH2)-2,2′-bipyridine , Rf=HC4F8(1a), HC8F16(1b), C3F7(1c) and C10F21 (1d)] by nucleophilic substitution reactions. The reaction of fluorinated alkoxide on 4,4′-bis-2,2′-bipyridine results in the systheses of these four fluorinated ligands. These reactions are high yieldings and purification is easy. The structures are analyzed by GC-MASS、NMR、FT-IR etc.

中文摘要我们已合成出一系列在联吡啶的4，4′位置有两个氟化烷基侧链的联吡啶配位基[4，4′-bis(RfCH2OCH2)-2，2′-bipyridine ， Rf=HC4F8(1a)， HC8F16(1b)， C3F7(1c)及C10F21(1d)]，经由亲核取代反应，由4，4′-bis-2，2′-bipyridine反应而得，并具有不错的产率，其纯化也简易可行，所合成之产物并可用GC-MASS、NMR、FT-IR鉴定其化学结构。

Adoping the simple and easy anthology to gather the unit to gather urine of 5 hours measures, Watch different series of urine quantitative changeization .(2) Experiment of immunity: Adopted CY methods copy immunity to repress the little rat pattern, To divide randomly small healthy white mice originated from kunming into normal contrast group ,pattern group, Fulin group, Guizhi group,Fulin and Guizhi group (Two medicine are according to 1 : 1、2: 1、 1: 2、 4: 3 the proportion compose ).Be total to 8 groups . To observed Fulin and Guizhi different combinition adjust the repressing small mice's spleen and thymus, Ascertaining by measuring little rat phagocyte the gobbleing uprate and serum IL-2 -* TNF — a 's content.

2免疫实验采用环磷酰胺法复制免疫抑制小鼠模型，健康昆明种小鼠随机分为正常对组、模型组、茯苓组、桂枝组、茯苓与桂枝配伍组(两药按1：1、2：1、1：2、4：3比例进行组合)共8组，观察茯苓桂枝药对及其各配伍组对免疫抑制小鼠脾、胸腺的影响，测定小鼠吞噬细胞吞噬率及血清IL-2、TNF—α含量。

One pair of primers that amplified the gB gene of pseudorabies viruswas designed and synthesized.PCR technique detecting the DNA of PRV was established after selecting the best reaction conditions.This technique was applied to specifically amplify the 281 bp DNA fragment of the PRV strains including Fa,Fb,Bartha,BJ,GD,V2F4,S,S3,SR,Buk,Shope,Norden,Mink Ⅲ,HB,F8,F9 and F12 in cultured samples.The negative results were achieved from Vero cells,swine vesicular disease virus,hog cholera virus,Japanese encephalitis virus,porcine reproductive and respiratory syndrome virus,porcine parvovirus,foot and mouth disease virus F29 strain,O3I3 strain,T509 strain and O Ⅱ MF249 strain.The results of sequencing showed that the PCR method was of specificity.The sensitivity of PCR reached 15.8 pg of PRV Fa strain DNA.The tissue samples obtained during 1994 and 2000 were detected,and the results showed that the sensitivity of PCR was more sensitive than virus isolation and the Sandwich ELISA.The PCR was applied to detect 191 tissue samples from 31 pig farms obtained from Guangdong,Fujian,Hainan Provinces during 1999 and 2000,50 samples(26.2%)were positive and 22 pig farms(71%)were positive.

根据伪狂犬病病毒gB基因的序列，设计并合成了一对引物，以闽A株细胞培养毒为模板，筛选最佳反应条件，建立了检测PRV的PCR方法应用该方法对Fb、Bartha、BJ、GD、V2F4、S、S3、SR、Buk、Shope、Norden、MinkⅢ、HB、F8、F9、F12等毒株的细胞培养液进行基因扩增，均获得了分子量为 2 81bp的特异性目的DNA片段，而对Vero细胞与FMDV、SVDV、HCV、PRRSV、JEV、PPV等病毒进行检测，结果均为阴性，没有出现交叉反应对PRV毒株扩增的产物测序，结果序列与文献报道一致，证明PCR扩增产物和方法的特异性对 1994～ 2 0 0 0年期间送检的临床样品和保存的PRV毒种，用病毒分离、双抗体夹心ELISA和PCR等 3种方法进行检测，结果前 2种方法检测为阳性的，PCR检测均为阳性；PCR检测为阴性，前 2种方法检测也为阴性；可是，前 2种方法检测为阴性的，PCR却检测出部分阳性；经x2 检验，证明PCR检出率明显高于前 2种方法的检出率对PRV闽A株细胞毒提取物DNA进行检测，其最低检出量为 15 8pg 对 1999～ 2 0 0 0年期间广东、福建、海南等省的 31个大中型猪场送检的 191份病料进行检测。

Sepals ovate-triangular, 2.2-2.5 × 1.6-2 mm, glabrous.

萼片卵形三角形， 2.2-2.5 * 1.6-2 毫米，无毛。

Results In the first three months, 6 (6/15)complete remissions and 2 (2/15) partial remissions were observed in the CSA group while only 2 (2/15) PRs were observed in the CAP group.

结果在前三个月的诱导期末，CSA组中6(6/15)例患者发生完全缓解，2(2/15)例患者发生部分缓解，而在CAP组仅2(2/15)例患者发生部分缓解。

Sanyo Xacti VPC-HD1 features 720p HD video scanning (1280 x 760 progressive), 16:9 widescreen format (HD-SHQ / HD-HQ modes), 5.1 megapixel digital still photos, advanced MPEG-4 compression technology, ability to capture still and video images simultaneously, super-fast 9Mbs frame rate, 2.2 inch OLED (Organic Light-Emitting Diode) display, 10x optical zoom lens plus 10x digital zoom lens, ability to record over 41 minutes of High-Definition video on a 2 GB SD Card, built-in digital image stabilization, super fast start-up, wind noise reduction, built-in 4-mode flash, AAC-LC stereo recording, 22 adjustable manual focus settings, super macro shooting as low as 1cm, talking navigation guide for first-time users, PictBridge compatible and has USB 2.0 and S-Video output.

三洋HD1功能支持720p高清晰度视频扫描（ 1280 × 760渐进）， 16：9宽屏幕格式（的HD - SHQ /高清总部模式）， 510万像素数码照片，先进的MPEG - 4压缩技术，能够捕捉仍和视频图像的同时，超高速9Mbs帧速率， 2.2英寸的OLED显示屏， 10倍光学变焦镜头加上10倍数字变焦镜头，能够记录41分钟的高清晰度视频的2 GB的统计处卡，内置的数字图像稳定，超快速启动，风能减少噪音，内置的4模式闪光灯，支持AAC -立法会立体声录音， 22个可调手动对焦设置，超微距拍摄低1厘米，说话的导航指南第一次使用者，兼容PictBridge和USB 2.0和S - Video输出。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐