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Injection drug use history was the main risk factor among FSWs(adjusted OR=9.8);(2) The self reported illicit drug-using behaviors and high risk sexual behaviors among close-cohort of FSWs who attended all the three cross-sectional surveys decreased accompanied with the survey time.The decrease of STIs prevalence and urine positive rate among them confirmed their decreased high risk behaviors;(3)The incidence of HIV was 1.4(95%CI 0.5~3.3)/100 Person Year in the open-cohort.FSWs who were recently HIV-infected had obvious high risk sexual behaviors with clients and 4/5 of them were not illicit-drug using FSWs;(4) 42.1%(16/38) of BED-CEIA positive specimens were false positives(>155 days),but after eliminating the misclassified long-term HIV infected specimens,the BED-CEIA estimated HIV incidence were similar with that of the cohort survey among the same FSWs2.1/100PY vs.2.0/100PY;0.4/100PY vs.

注射吸毒行为是FSWs人群HIV感染的主要危险因素(aOR=9.8):(2)连续参加过三次横断面调查的封闭式FSWs队列中,自报吸毒行为及高危性行为随调查时间均出现了降低的趋势,另外其性病感染率及尿吗啡阳性率的降低也印证了其自报高危行为特征的下降;(3)开放式FSWs队列中的HIV发病密度为1.4(95%CI0.5~3.3)/100人年,HIV新发感染FSWs与嫖客之间的高危性行为十分突出,以非吸毒FSWs为主(4/5):(4)BED-CEIA阳性标本中的假阳性率为42.1%(16/38),但在排除误检的既往HIV感染标本后,BED-CEIA及开放式队列研究估计的HIV发病密度十分接近2.1/100人年vs.2.0/100人年:0.4/100人年vs.0.6(来源:4eABC论f5f5文网www.abclunwen.com/100人年。

Bromo-5-formyl -3-methylpyrrole is an important intermediate of tolyporohin. On the base of introducing the present research and development of tolypo- rohin and pyrroles ramification at home and abroad, an emphasis was made on synthesis of 2-Bromo-5-formyl -3-methylpyrrole and the technical conditions of all steps, which was described as follows. Diethyl 3,5-dimethylpyrrole-2,4-dicarboxylate was made by nitrification, reduction and cycle of ethyl acetoacetate.

由于2-溴-5-甲酰基-3-甲基吡咯是合成托尼卟吩的重要中间体,本文在阐述了当前托尼卟吩及吡咯衍生物的国内外研究和开发的基础上,重点研究了2-溴-5-甲酰基-3-甲基吡咯的合成,并对各步反应进行了工艺研究,具体合成步骤如下:本文通过对乙酰乙酸乙酯的亚硝化、还原、成环,反应生成吡咯单环衍生物2,4-二乙氧羰基-3,5-二甲基吡咯。

Only with such characteristics, the movement equations can be expressed as matrices, and the idea of transforming the movement equations to the simplest form through a nonlinear transformation can be realized;(2) The form of Zi =Yi + YTH2i Y + Y7H3i Y(2)+ Y(2)T H4i Y(2)+ YTH5i Y(3) is adhibited in the nonlinear transformation, so that the multivalued problem caused by the nonlinear transformation is avoided, and the higher order transformation can be taken next;(3) The fourth order nonlinear transformation matrices H21,H31,H41 and H51 are derived, by which the original movement equations of electric power system is transformed to Jodan form in Z space;(4) By use of the fourth order nonlinear transformation, the approximate expression of the stability boundary is obtained, in Z space it is Z1= 0,in Y space it is Y1 + YTH21 Y + YTH31 Y(2)-i- Y(2) TH41 Y(2)+YTH51 Y(3)= 0;(5) The criterion used in this paper to judge whether the system critical unstable is simple and quick;(6) The method used in this paper is a direct method, and no need to construct an energy function.

正是由 于电力系统的运动方程具有这样的特性,才能写成矩阵的形式,通过非线性变换将电力系统的运动方程变换为最简单的线性形式的思想才能得以实现;(2)将通常运用于电力系统暂态稳定性分析的Normal Form变换的形式由 Yi= Zi+ ZTh2riZ变形为 Zi= Yi+YTH2iY+YTH3iY(2)+Y(2)TH4iY(2)+YTH5iY(3),从而使得在对持续故障轨线实施同样的非线性变换以确定临界切除时间时,避免了非线性变换带来的多值性的问题,而只有在没有多值性问题的困扰下,才能采用较高阶的变换:(3)推导出了将原始电力系统系统的运动方程变换到Z空间的约当形式的非线性变换矩阵H21、H31、H41、HS1:(4)在运用四阶了「线性变换的情况下,给出了受扰动后系统的稳定边界的近似的解析表达,在Z空间为Z1=0,在y空间为: Y1+YTH21Y+YTH31Y(2)+Y(2)TH41Y(2)+YTH51Y(3)=0 (5)确定临界失稳的判据简单、快捷:对于一个复杂的电力系统,其稳定边界是相当复杂的一个高维曲面,即便是已知系统稳定边界的解析表达,要求出系统持续故障轨线何时与这一高维曲面相交,在数学上几乎是不可能实现的。

Typically erect small trees or shrubs; carpels 2 or 3 in 2 or 3 locules; stigma 2 or 3, slightly lobed; seeds only basally or lower half covered by arils

通常直立小乔木或灌木;在2或3子房室里的心皮2或3;柱头2或3,稍浅裂;种子只是基部假种皮盖住的或下半部 13

2 BRICK MASONRY 3.2.1 Technical terms Some of the common terms used in the brick masonry are illustrated in this section in fig3.1 and fig 3.2 Arrises The edges formed by the intersection of plane surfaces of a brick are called arrises Stretcher This is a brick laid with its length parallel to the face or direction of a wall.

3.2。砖砌 3.2.1。专业术语一些砖砌中的常用属于如本节图3.1和3.2所示。尖脊:由同一块砖的不同平面的交叉点形成的边缘成为尖脊。

When 3-benzoyl-5-formyl-indolizine or ethyl 5-benzoyl-indolizine-3-carboxylatewere used as substrates, a novel coupling reaction occurred, givinghydroxy-cycl[3,2,2]azines. A mechanism of the reaction was proposed.

其中3-苯甲酰基-5-甲酰基中氮茚和5-苯甲酰基-3-中氮茚甲酸乙酯在低价钛试剂的作用下,发生了新奇的偶联反应,得到了用其它方法难以制备的Hydroxy-cycl[3,2,2]azine,并对此现象作了解释。

In 3×3 Latin square design, three wethers of Inner Mongolian White Cashmere goats (25~30 kg) with the same father, fitted with permanent cannulas at the proximal duodenum, and with carotid artery, mesenteric and portal venous catheters were used to investigate the effect of absorbable amino acid pattern in the small intestine, which were M, M90+C10 and M80+C20, on absorption and metabolism of amino acids in IMWC goats.

选用3只体况良好,体重25~30 kg的2周岁内蒙古白绒山羊半同胞羯羊,安装永久性十二指肠近端瘘管以及门静脉、肠系膜静脉、颈动脉、颈静脉慢性血插管进行试验。采用3×3拉丁方试验设计,3个试验处理的十二指肠氨基酸灌注模式分别为M、M90+C10、

This study discovered that total amount of potential medication safety risks was 1,876 and the overall prevalence was 7.3%. The items of results depending on categorizes of evaluation, ward, medical specialty, diagnosis and pharmacology were as follows: The highest prevalence is pharmaceutical incompatibilities which is 4.7%. The highest prevalence was general ward which is 4.3%. The highest prevalence was pulmonary disease which is 2.5%. The highest prevalence was acute respiratory failure which is 3.0%. The highest prevalence was cathartics and laxatives which is 1.6%.

研究结果发现这群管灌病人的口服剂型治疗药物中具潜在用药安全性风险问题的件数为 1,876 件;整体平均盛行率为 7.3 %,其中依风险问题评估类别、病房别、科别、疾病主诊断别、药理作用类别之各项统计分析结果,分别占居最高盛行率者为:药剂学性配伍禁忌之盛行率为 4.7 %;一般病房之盛行率为4.3 %;胸腔内科之盛行率为 2.5 %;急性呼吸衰竭之盛行率为 3.0 %;泻剂及缓泻剂类之盛行率为 1.6 %。

Tartaricum, moreover, it was much more obvious in tissues of F. tartaricum. EST-1 and EST-2 existed in leaf and caudex of F. cymosum 2. EST-3 and EST-5 were found in all the tested leaves and the bands in F. cymosum 1 were clearest. For CAT, only 3 bands were detected in all tissues, CAT-1 appeared in the leaves of three buckwheat and clearer in F. cymosum and F. cymosum 1. CAT-2 was detected in different location in leaves and caudexes. CAT-3 existed in the leaves though it was unclear.

EST-1及EST-2只出现在金荞麦2号茎和叶中,EST-3和EST-5只存在于叶片中,并且在金荞麦1号中的带最强,EST-4存在于茎和叶片,在金荞麦1号最强;CAT只有3条带,其中CAT-1出现在叶片中,在苦荞麦1号及金荞麦1号表达较强;CAT-2出在现在茎和叶片,并且茎,叶位置不同;CAT-3只存在于叶片中,非常微弱。

TheEEG results were all abnormal, 9 cases showed periodic threephase wave. Among 5 cases MRI diffusion-weighing pictures, 3 cases showed abnormal high signal in both cortexes, 1 case showed abnormal high signal in basal part and cortex. 1 of 4 cases CSF 14-3-3 protein tests showed positive.

脑电图均有异常,9例出现周期性三相波。5例MRI弥散加权像中3例双侧皮质显示异常高信号,1例示基底节及皮质异常高信号,4例行脑脊液14-3-3蛋白检查,1例阳性。

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推荐网络例句

What would he tell Judith and the children?

他将怎样告诉朱迪丝和孩子们呢?

I this is at that time, the opinion with peacockish true girl is full of in a heart.

这就是当时的我,一个心中布满虚荣的女孩子真实的想法。

Oh, and I bought myself a new laptop," he said."

哦,我还给我自己买了一个新笔记本"他说。"