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Objective To investigate the effects of EDTA on the structure of mucoid Pseudomonas aeruginosa biofilm.

目的 探讨金属螯合剂依地酸钠对黏液型铜绿假单胞菌成熟生物膜的杀菌作用和对其结构的影响。

High-grade advanced machinery and equipment is assumed business hardware security, the people Langfang Founder Phototypesetting owned printing system, the two groups are the four American Oriental color back 48 reported high-speed offset rotary printing machine, two rotary Taipei production, the two Taiwan Strait Fort off four-color, two quarto four-color printing presses, a four-color printing octavo; Beiren producing two-color, single-, double-sided offset platforms five books, domestic laminating machine, cutting machine palpable , UV, indentation machine, as well as fine books, paperback double booking packages and other major equipment.

高档先进的机器设备是业务承担的硬件保障,廊坊人民印刷厂拥有北大方正照排系统、两组美国东方正四背四八色高速胶印轮转印报机、两台北人产轮转机、两台海德堡对开四色、两台四开四色印刷机、一台八开四色印刷机;北人产双色、单、双面平台书刊胶印机五台、国产复膜机、扪切机、UV、压痕机以及书刊精、平装双套装订机等主要机器设备。

Pollen morphology of the Chinese monotypic genus Dichotomanthes and its out-group Prinsepia utilis were investigated from the point of view of pollen development. The SEM observation revealed that there is not any change in morphology and sculpture of pollen grains from the young pollen grain seperated from callose of tetraspore to the mature pollen grain in Dichotomanthes tristaniaecarpa. Only the volume of pollen grain increased with maturity.

从发育的角度研究了中国特有单种属Dichotomanthes Kurz及与其系统学研究有关的外类群Prinsepia utilis的花粉形态,扫描电镜观察显示Dichotomanthes花粉粒自脱离四分体胼胝质膜开始至成熟二核花粉粒不同发育时期,花粉形态和外壁纹饰未见变化,仅花粉体积随成熟度增加而有所增大。

Discussed the mechanism of macromolecule permeation pellicle. Researched the characteristics and its important effect on gas monitoring of SnO2-majored N type semiconductor gas sensitivity elements.

着重探讨了高分子透气膜的透气机理,研究了以SnO2为主的N型半导体气敏元件的特点及其对气体检测所起的重要作用,给出了单片微机系统的软硬件设计。

The lifetime of M intermediate of BRE194Q was less than 1.0 s by photomicrography. The lifetime of M intermediates of BRI119T/T121S/A126T and BRI119T/T121S/A126T/E194Q were 3.0 s and 2.0 s, respectively.

显微视频录像技术记录的PVA膜中样品的M态寿命表明,野生型BR的M态寿命最短,单突变体的M态寿命小于1.0 s,三突变体的寿命为3.0 s,四突变体的寿命为2.0 s。

The lifetime of M intermediate of BR(subscript E194Q) was less than 1.0 s by photomicrography. The lifetime of M intermediates of BR(subscript I119T/T121S/A126T) and BR(subscript I191T/T121S/A126T/E194Q) were 3.0s and 2.0s, respectively.

显微视频录像技术记录的PVA膜中样品的M态寿命表明,野生型BR的M态寿命最短,单突变体的M态寿命小于1.0s,三突变体的寿命为3.0s,四突变体的寿命为2.0s。

The IV style pilus and the twitching motility mediated by the IV style pilus play an absolutely necessary role in the early stage of the pseudomonsa aeruginosa biofilm forming.

IV型菌毛及它所介导的蹭动在铜绿假单胞菌生物被膜形成的早期起着必不可少的作用。

Following are summary of our works:(1)The powders of LaCr_(0.9)Co_(0.1)O_3, LaCr_(0.9)Fe_(0.1)O_3, LaCr_(0.9)Ni_(0.1)O_3, LaCr_(0.95)Sn_(0.05)O_3 and LaCr_(1-x)Ti_xO_3(x=0.0-0.3) were single perovskite phase with orthorhombic structure. The gas-sensing properties of their thick film sensors were tested in the acetone, ethanol, normal propyl alcohol, carbinol and formaldehyde organic gases. The sensitivity of the sensors can not be enhanced effectively by doping Co、Fe、Ni、Sn elements in B-site of LaCrO_3. Ti dopant with proper concentration can greatly improve the gas-sensing properties, which make the sensor display higher sensitivity and quicker response-recovery characteristics.

所得结果摘要如下:(1)LaCr_(0.9)Co_(0.1)O_3、LaCr_(0.9)Fe_(0.1)O_3、LaCr_(0.9)Ni_(0.1)O_3、LaCr_(0.95)Sn_(0.05)O_3和LaCr_(1-x)Ti_xO(来源:ABfd1dC论文网www.abclunwen.com)_3(x=0.0-0.3)粉体为正交单相钙钛矿结构,其厚膜型气敏元件在350℃时对丙酮、乙醇、正丙醇、甲醇、甲醛等有机气体的气敏性能测试表明:0.1mol Co、Fe、Ni和0.05mol Sn元素在LaCrO_3的B位进行掺杂后,不能有效提高材料对以上测试气体的气敏性能;而Ti元素的适量掺杂可以极大地改善LaCrO_3的气敏性能,使之显示出对丙酮气体的高灵敏度和快速响应恢复能力。

Pseudomonas aeruginosa biofilm is one of important factor of persistent infections.

铜绿假单胞菌生物膜是持续感染的重要原因之一。

Objective:To investigate the destructive effect of erythromycin on biofilm of pseudomonas aeruginosa in vitro.

目的:建立铜绿假单胞菌生物被膜的体外模型,研究红霉素对细菌BF的影响及对左氧氟沙星的增效作用。

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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

The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.

血精的原因很,以良性病变为主。