无双的

Poly with sulfonic acid groups were readily synthesized with biphenol and 1,3-bis(4-fluorobenzoyl)benzene in the presence of excess potassium carbonate followed by sulfonation with chlorosulfonic acid.

以二氯二苯甲烷和2，6-二甲基苯酚为原料合成了含有阻碍基团的双酚单体，用此双酚单体和1，3-二(4-氟苯甲酰基苯)在无水碳酸钾存在的条件下反应制得聚芳醚酮，然后用氯磺酸磺化，控制反应条件，使磺酸基团恰好进入苯环对位，制得新型结构的磺化聚芳醚酮。

Results In all of them,duplication of pelvis and ureter 6 cases, ureterocele 2 cases, stricture in ureteropelvisc junction 3 cases,congenital megaloureter 6 cases,Conclusion MRU is a safe and noninvasive method for diagnosis the urinary system congenital diseases,especially for infant and young children.

结果：MRU诊断双肾双输尿管畸形6例，输尿管囊肿2例，肾盂输尿管交界处狭窄3例，先天性巨输尿管6例，仅对其中1例伴发的输尿管开口异常未显示。结论：MRU是一种安全有效的无创性影像检查方法，尤其适用于婴幼儿，对先天性泌尿系疾病具有特殊的诊断价值。

Methods There were to patients of diabetes and 35 patients of non-diabetes in this study. The diameter, inter median thickness, peak systolic velocity, end diastolic velocity, pulsatility index, and resistance index of bilateral common femoral artery, superficial femoral artery, profunda femoral artery, popliteal artery,and pedal artery,and whether there was arteriosclerotic plaque or occlusive diseases were examined with color Doppler ultrasonogh.

糖尿病组70例，非糖尿病组35例，分别应用彩色多普勒超声观察双侧股总动脉、股浅动脉、股深动脉、腘动脉、足背动脉的血管内径、内－中膜的厚度、收缩期最大峰值血流速度、舒张期末血流速度、搏动指数、阻力指数；观察血管内有无硬化斑块、有无完全性和不完全性动脉闭塞。

Yongkang hefa tools co.,ltd.is a manufacturcr specializing in producing auxiliary air valves and carbon canisters of motorcycle,leisure vehicle,universal gasoline engine and automobile with japanese technologies.it has obtained iso9001:2000 certification and has several patents such as unspillable reed valve,combined gulp cylinder head ,ctc.or company is located in baiyun industry area,yongkang,a city of hardware in china with comfortable environment and convenient transportation with the first-class production ?

双缸空气阀永康市合发工具有限公司是一家专业生产摩托车、休闲运动车、通用汽油机、汽车用二次空气阀总成、活性碳罐的企业。公司引进了日本技术，通过 iso9001：2000国际质量管理体系认证，并且拥有多项专利技术，如：无泄漏簧片阀，连体补气缸头、大流量无泄漏簧片阀、双簧阀体、双簧阀盖等，具备年产二次空气阀200万套的能力。

ABSTRACT On the basis of the early study of axial flow vaneless nozzle , an axial double-flow vaneless nozzle with rotati...

在轴流无叶喷嘴研究的基础上，本文提出了一种做为大功率汽轮机低压缸进口第一级的新型轴流无叶喷嘴-双出口、内环旋转式。

ABSTRACT On the basis of the early study of axial flow vaneless nozzle , an axial double-flow vaneless nozzle with rotating inner ring is developed for the first stage of the double-flow turbines.

在轴流无叶喷嘴研究的基础上，本文提出了一种做为大功率汽轮机低压缸进口第一级的新型轴流无叶喷嘴-双出口、内环旋转式。

The factory has full set of advanced powder dot coating production lines, double dot coating production lines which ensures the entire production in the tension-free circumstances. The company has all kinds of conventional non-woven interlining ,color interlining and woven interlining ,with annual production capacity of 3000million meters.

我司拥有先进的粉点涂层生产线，数控定型切割设备，双点涂层生产线，确保整个生产在无张力情况下进行，公司拥有各种常规及彩色无纺、有纺衬布产品近百个品种，年生产能力3000万米，并可根据客户需求定制不同颜色规格及粘性的衬布。

The theory can also be used in the computation of thin, medium-thick and thick plate in elastic foundation.

建立了Winkler地基及双参数地基上Mindlin中厚板的无网格法分析理论，将EFGM法、RKPM法、NEM法这三种无网格法应用于Mindlin中厚板弯曲问题，推动了弹性地基上中厚板计算理论的发展。

The results presented in this paper indicated that sodium salt of 3,7-bishemis uccinate of 7-hydroxycholesterol (RS 634) at the dose of 45mg/kg/day (×7,ip) could increase DNA, RNA and protein syntheses in bone marrow cells and protein synthesis in liver,spleen and serum, but no markedly effects on DNA and RNA synthesis in liver and spleen of mice bearing EAC were observed, In the subacute test on rats RS 034 (400mg/kg/day, x30 ip) showed no evident effects on the number of RBC, WBC and the percentage of lym...

本文报告的结果表明7β-羟基胆固醇双琥珀酸单酯钠(RS 024)在有效抗肿瘤剂量下(45mg/kg/day，×7ip)对荷瘤小鼠骨髓细胞DNA、RNA和蛋白质合成有促进作用，对肝、脾的DNA、RNA合成无显著影响，但能促进肝，脾中及血清蛋白质合成。按400mg/kg/day连续给药30天，对大鼠红细胞、白细胞数及淋巴细胞百分率无明显影响。提示该药在有效抗癌剂量下毒性较小，并在一定程度上对免疫功能有增强作用。

In order to get the safe, non-leak, minitype and superthin capacitor, electric double layer capacitors of PAN-based gel polymer electrolytes by in-situ polymerization were prepared. In this EDLC, PC and EC were used as plasticizer, LiClO4 was used as the supporting electrolyte and activated carbons with the specific surface areas of 1000m2/g and 2600m2/g, respectively, as the electrode materials.

为了得到安全、无泄漏、微型、超薄型的双电层电容器，采用内聚合方法制得聚丙烯腈基凝胶聚合物电解质双电层电容器，电解质的增塑剂为碳酸丙烯酯和碳酸乙烯酯，支持电解质为高氯酸锂，电极材料分别为比表面积1000m2/g 和2600m2/g 的活性炭。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失