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In the ESI+ mode the compound isolated from fraction III/9 showed a pseudo-molecular ion of m/z 261 ([M + 1]+) as well as sodium and potassium adducts with m/z 283 and m/z 299, respectively, thus suggesting a molecular mass of 260 Da.

在 ESI+模式下,从子馏分 III/9中提取出来的化合物分别出现了伪分子离子 m/z 261 ([M + 1]+)和纳钾加合物 m/z 283 and m/z 299,这样就暗示了260 Da 的分子质量。

The main research work of this paper are focused on following areas:(1) Based on review of the theory and methods on measurements of particle fields, a new idea for obtaining particle size and velocity distribution within a spray through imaging the particle field with a laser light sheet was put forward;(2) A DPIV (Digital Particle Image Velocimetry) system, is fit for velocity measurements of low speed flows, was developed and expended to particle size distribution measurement;(3) An arithmetic for particle velocity field reconstruction was developed, and the velocity distribution of water mist was also obtained;(4) A software system for particle analysis, which based on image geometry emend, de-noise and image partition was developed, the parameters such as particle size distribution, mean diameter, number of particles, minimum and maximum diameter can be got with this system;(5) A water mist system was developed and its characteristics, such as droplet velocity, size distribution, number of droplets and spray cone angle under different conditions were obtained from experiments with PIVS;(6) The measurement results of water mist characteristics with PIVS were compared and analyzed with the simply simulated results, and in addition, in order to verify the accuracy of PIVS, some experiments were conducted with the standard particles, such as glass-ball with known mean diameter of 50μm and 115μm, metallic coated tracing particle with mean diameter of 12μm;(7) Some experimental studies on interaction of water mist with liquid pool fires were conducted.

本论文的主要工作包括以下几个方面:(1)在对粒子场测量的相关理论和具体方法进行综述分析的基础上,提出了通过采用激光片光对粒子场进行成像以获取其粒径和速度等参数分布的新思路;(2)研制了适宜于低速流动速度场测量的DPIV(Digital Particle Image Velocimetry)系统,并使其实现了对粒子场粒径分布的测量功能;(3)研制了基于粒子运动轨迹的速度场重建算法,获取了细水雾雾场的速度分布;(4)研制了基于几何校正、去噪、图象分割等图象处理方法的"粒度分析软件系统",该系统既可分析给出粒子场的粒径分布直方图和平均粒径,还可给出粒子的数目以及最大、最小粒径等信息;(5)建立了一细水雾发生系统,并应用上述方法对不同压力条件下细水雾系统的雾场特性(如速度分布、雾滴粒径分布、雾滴的数目、喷雾张角以及雾化长度等)进行了实验测量研究;(6)对细水雾特性参数的PIVS测量结果与计算机简单模拟计算结果进行了定性比较分析,并利用平均粒径为50μm和115μm的玻璃球以及12μm的标准示踪粒子对PIVS系统的粒径和速度测量结果进行了实验验证,同时对其局限性进行了分析讨论;(7)对不同工况条件下细水雾与油池火相互作用的过程进行了模拟实验研究。

Bohemian Rhapsody 歌手:Queen Artist: Queen Album : A Night At The Opera1975 Song : Bohemian Rhapsody Is this the real life - Is this just fantasy - Caught in a landslide - No escape from reality - Open your eyes Look up to the skies and see - I'm just a poor boy, I need no sympathy - Because I'm easy come, easy go, A little high, little low, Anyway the wind blows, doesn't really matter to me,- to me -, Mama, just killed a man, Put a gun against his head, Pulled my trigger, now he's dead, Mama, life had just begun, But now I've gone and thrown it all away - Mama, ooo, Didn't mean to make you cry - If I'm not back again this time tomorrow - Carry on, carry on, as if nothing really matters - Too late, my time has come, Sends shivers down my spine, Body's aching all the time, Goodbye everybody - I've got to go - Gotta leave you all behind and face the truth - Mama, ooo - I don't want to die, I sometimes wish I'd never been born at all - I see a little silhouetto of a man, Scaramouche, scaramouche will you do the Fandango - Thunderbolt and lightning - very very frightening me - Galileo, Galileo, Galileo, Galileo Galileo figaro - Magnifico - But I'm just a poor boy and nobody loves me - He's just a poor boy from a poor family - Spare him his life from this monstrosity - Easy come easy go -, will you let me go - Bismillah!

可能不太准确艺术家:女王影集:在歌剧1975的夜晚歌:波希米亚的狂想曲是这现实生活--仅仅是这么幻想--在一次山崩中抓住--从现实的没有逃跑--打开你的眼睛看并且看见到天空--我仅仅是一个贫穷的男孩,我不必同情心--因为我容易来,容易我去,小高,少量向下,无论如何,风吹,对我确实不有关系,--对于我--, Mama,刚刚杀死一个人,放一门枪支对着他的头,被拉我的触发器,他现在死亡, Mama,生活刚刚曾经开始,但是,现在我已去并且投掷它所有-- Mama,ooo,不想要使你喊叫--如果我再一次明天这一次不是回来--继续,继续,似乎没有任何东西确实有关系--太晚,我的时间已来,沿着我的脊椎发送颤抖,身体疼痛始终,告别每个人--我已去-- Gotta留你们大家并且面临真理-- Mama,ooo --我不想要死去,我有时希望我根本从不出生--我看见一个人的小silhouetto, Scaramouche,scaramouche你将做西班牙舞-- Thunderbolt和闪电--十分十分惊吓我--伽利略,伽利略,伽利略,伽利略伽利略figaro --高官--但是,我' m仅仅一个贫穷的男孩和没有任何人爱我--他仅仅从一个贫穷的家庭是一个贫穷的男孩--从这畸形节省他他的生活--容易来容易去--,你将让我去-- Bismillah!

A process for reducing nitryl with unstable guanyl on para-position of benzene ring into azyl features that active metal reacts on organic acid and solvent at ordinary temp. and pressure to reduce N-(2 or 3-M, 5 or 6-M',4-nitrophenyl)-N',N'-dimethyl acetamidine into N-(2 or 3-m, 5 or 6-M', 4-aminophenyl)-N',N'-dimethyl acetamidine, where M=H,-R,-OR,-COOR (R=H, C1-C6); and M'=H,-R,-OR,-COOR (R=H, C1-C6). Its advantages include reduced by-reaction and high reducting rate up to 80%-95%.

本发明是将苯环上对位带有不稳定脒基的硝基还原为氨基的方法,采用活泼金属,如:锌或锡,与有机酸和适当的溶剂,在常温、常压下发生反应,将N-(2或3-M,5或6-M',4-硝基苯基)-N',N'-二甲基乙脒还原为N-(2或3-M,5或6-M',4-氨基苯基)-N',N'-二甲基乙脒,其中M=H,-R,-OR,-COOR(R=H,C1-C6),M'=H,-R,-OR,-COOR(R=H,C1-C6),减少了副反应,使还原收率达到80%以上,最高可达95%以上,更适用于工业化生产。

In this experiment, we screen the major protective antigen gene-SOD gene of M. paratuberculosisin order to study the sensitive, specific diagnostic reagent and prophylaxis preparation, especially theDNA vaccine. The SOD gene was amplified from Mycobacterium paratuberculosis C-2 chromosomalDNA by using the PCR technique and cloned into pMD18-T Vector System. We gained a SOD gene of624bp.The recombinant clone was identified byα-complementarity, enzyme digestion and PCRidentification. The result indicated that the recombinant plasmid pMD18-T-SOD was successfullyconstructed. Moreover, through sequential determination and DNASTAR analysis between the clonedSOD gene of M. paratuberculosis C-2 and that of the M.paratuberculosis K-10 strain, the sequentialhomogeneity reached 99%, and the amino acid homogeneity reached 99.5%. The preceding analysisindicated that the SOD gene was very conservative in M. paratuberculosis.

为了研制副结核病敏感、特异的诊断试剂和新型、高效的预防制剂,尤其是DNA疫苗,本研究筛选了M.paratuberculosis主要保护性抗原SOD基因,以M.paratuberculosis C-2染色体DNA为模板,以SOD基因的特异性引物进行PCR扩增,获得了624bp的SOD基因,通过T-A克隆技术,将PCR产物克隆至pMD18-T Vector中,以质粒大小、酶切分析、PCR扩增及序列分析鉴定重组克隆,成功地构建出克隆质粒pMD18-T-SOD,序列测定及DNASTAR分析表明,所获得的M.paratuberculosis C-2 SOD基因与Gen Bank中M.paratuberculosis K-10 SOD基因的大小完全一致,两者核苷酸序列的同源性为99%,氨基酸序列的同源性为99.5%,表明该基因在副结核分枝杆菌中是高度保守的。

The results show that for the single-track shield tunnel in actual projects,the longitudinal ventilation velocity of 2.6~2.9 m/s can effectively prevent smoke from counter flow at a heat release rate of 10 MW;when the tunnel sector on fire with a longitudinal velocity of 2.9 m/s and the unfired tunnel sector with the velocity of 1~1.5 m/s from both ends,there is an air flow with the velocity of 6 m/s ...

模拟分析得出,对于地铁实际工程中的单线盾构圆形隧道,在10 MW火灾强度下,着火区间隧道内2.6~2.9 m/s左右的纵向风速可以有效阻止烟气发生逆流;在着火区间隧道2.9 m/s的纵向风速下,未着火区间隧道两端对送送风速度为1~1.5 m/s时,联络通道内有风速为6 m/s左右的气流流向着火区间隧道,可有效抑制烟气通过联络通道向未着火区间隧道蔓延,保证人员的安全疏散。

The absorption spectrum center wavelength of dolomite is near 232 μm is shorter than 235 μm of limestone,and thus RBD7 and RBD8 can be employed effectively to identify dolomite and limestone,respectively. Felsic rocks show AlOH and Fe3+ absorption characteristics in the VNIRSWIR region,while the maficultramafic rocks show Fe2+ and Fe,MgOH absorption features,hence the use of different valence state of iron and secondary minerals can distinguish them:ASTER band2/band1 represent Fe3+ distribution,ASTER band2/band1 represent the Fe2+ distribution,RBD6 can estimate the AlOH mineral abundance. Psammitic/pelitic schist containing phengite,chlorite,stilpnomelane,as well as the weathered surface covered by clay minerals,exist characteristic absorption spectrum in the 221 μm(band 6),and has a high reflectance in 165 μm(band 4),while the blueschist/greenschist show high reflectance in the 221 μm(band 6),and it exit low reflectance in 165 μm(band 4),and blueschist/greenschist appear low ASTER band4/band6 ratio.

白云岩的CO2-3吸收谱带中心波长位于232〖KG*3〗μm,与灰岩的CO2-3 吸收谱带中心波长位置235 μm相比,具有向短波长方向移动的特点,据此可以利用RBD7、RBD8分别有效的识别白云岩和灰岩;长英质岩石显示AlOH和Fe3+ VNIRSWIR吸收特征,而基性超基性岩石显示Fe2+和Fe、MgOH特征,利用不同的铁价态和次要矿物可以区分它们:ASTER band2/band1代表了含Fe3+矿物分布信息、ASTER band5/band4代表了含Fe2+矿物分布信息、RBD6可以估计AlOH矿物的丰度;砂质/泥质片岩含较多的多硅白云母、绿泥石、黑硬绿泥石以及风化后表面覆盖的其它粘土矿物,在221 μm(band 6)存在有特征的吸收谱带,并且在165 μm(band 4)具有较高的反射率,而蓝片/绿片岩在221 μm(band 6)反射率较高,不具有明显特征吸收谱带,同时其在165 μm(band 4)反射率较低,因此蓝片/绿片岩ASTER band4/band6 比值低。

It"s vegetal mycelia were colorless, smooth, 1.2μm~3.0μm crude, manyconidiogenous cells born on vegetal mycelia, sometimes as many as a dozen,a very small number were single. The base of conidiogenous cell wasenlarged and many of them were bottle-shaped or spherical. The upper ofconidiogenous cell extended into a conidiogenous axis of 1μm wide and 14μm length which was the knee-bending ("Z like bending), there were small pectinae on the axis, conidium located on the small pectina.

营养菌丝无色,光滑,有隔,粗1.0μm~3.0μm,产孢细胞常浓密簇生于菌丝或泡囊上,有时可多达十几个,极少数单生,产孢细胞基部膨大,多为瓶形,近球形,颈部明显延长成粗1μm,最长达14μm的产孢轴,呈膝状弯曲,轴上具小齿突,分生孢子位于小齿突上。

First, we introduce and discuss the various methods of multivariate polynomial interpolation in the literature. Based on this study, we state multivariate Lagrange interpolation over again from algebraic geometry viewpoint:Given different interpolation nodes A1,A2 .....,An in the affine n-dimensional space Kn, and accordingly function values fi(i = 1,..., m), the question is how to find a polynomial p K[x1, x2,...,xn] satisfying the interpolation conditions:where X=(x1,X2,....,xn). Similarly with univariate problem, we have provedTheorem If the monomial ordering is given, a minimal ordering polynomial satisfying conditions (1) is uniquely exsisted.Such a polynomial can be computed by the Lagrange-Hermite interpolation algorithm introduced in chapter 2. Another statement for Lagrange interpolation problem is:Given monomials 1 ,2 ,.....,m from low degree to high one with respect to the ordering, some arbitrary values fi(i= 1,..., m), find a polynomial p, such thatIf there uniquely exists such an interpolation polynomial p{X, the interpolation problem is called properly posed.

文中首先对现有的多元多项式插值方法作了一个介绍和评述,在此基础上我们从代数几何观点重新讨论了多元Lagrange插值问题:给定n维仿射空间K~n中两两互异的点A_1,A_2,…,A_m,在结点A_i处给定函数值f_i(i=1,…,m),构造多项式p∈K[X_1,X_2,…,X_n],满足Lagrange插值条件:p=f_i,i=1,…,m (1)其中X=(X_1,X_2,…,X_n),与一元情形相似地,本文证明了定理满足插值条件(1)的多项式存在,并且按&序&最低的多项式是唯一的,上述多项式可利用第二章介绍的Lagrange-Hermite插值算法求出,Lagrange插值另一种描述是:按序从低到高给定单项式ω_1,ω_2,…,ω_m,对任意给定的f_1,f_2,…,f_m,构造多项式p,满足插值条件:p=sum from i=1 to m=Ai=f_i,i=1,…,m (2)如果插值多项式p存在且唯一,则称插值问题适定。

The parameters include waveguide width: 8μm, titanium film thickness:50~60nm, index change: 0.006, diffusion temperature: 1050 and diffusion time: 9~10 hours.Designed and produced a 2 X 2 coupler Optical switch and a 1 X 2 digital optical switch. The coupler optical switch was produced by AP reversal structure, with the main parameters such as total length of switch: 30mm, waveguides center distance: Hum, interaction length: 17mm, and at 17V with a crosstalk of -18dB. The digital optical switch was produced by asymmetry electrode Y branch structure. The main parameters of this switch such as switch length: 25mm, the angle of Y branch: 0=0.1? center distance at branch end: 30μm, the center distance of electrons: 12μm, and at 27V with a crosstalk of 18dB.

设计并制作了2×2耦合型光开关和1×2数字开关,其中耦合型开关主要采用的反转Δβ定向耦合器开关,开关长度约30mm,波导宽度8μm,波导间距14μm,耦合区长度17mm,电极主要采用三电极结构,最终测得对TE模开关电压<-15,消光比≈18dB;数字开关采用非对称电极Y分叉数子开关结构,利用BPM软件模拟了其开关特性并优化了器件参数,制作中采用的主要参数为:开关长度约25mm,Y分叉角θ=0.1°,Y分叉末端波导间距30μm,电极间距12μm,最终测得开关电压27V,消光比≈18dB。

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Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车,和一双合并为一移交&整个lotta爱&。

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