查询词典 Pa.

Compared with rt-PA, r-PA has less influence on the cruor system and fibrinolysis system.

静脉注射r-PA对兔RVO模型有治疗效果，疗效与rt-PA无明显区别，r-PA对凝血和纤溶系统的影响比rt-PA小。

It introduced the study progress on PA toughened by modified EPDM at home and abroad,analyzed the influencing factors during toughening PA with modified EPDM,such as graft ratio,content of rubber,crystallizability of PA etc.

介绍了国内外改性EPDM增韧尼龙研究进展，分析了在改性EPDM增韧PA过程中的影响因素，如接枝率、橡胶含量、PA的结晶性能等，阐述了EPDM增韧PA的机理，最后展望了该领域的发展趋势和方向。

The crystallizability and solution properties of polyacrylate depressants and their depressive effects on two waxy oils were studied. It was found that the crystallizability of PA depended on the length of its side chain and molecular weight. Gel was observed in the concentrated solution, The temperature of gelation, which was a measure of the crystallizability of PA in solution, was higher for the PA itself with stronger crystallizability.

对聚丙烯酸长链酯的结晶能力和溶液性质及其对两种含蜡油的降凝效果进行了研究，发现PA的结晶能力取决于PA侧链长度和相对分子质量，而其在溶液中形成冻胶或沉淀的温度（反映PA在溶液中的结晶能力）与PA本体的结晶能力有关，而PA对含蜡油的降凝效果则与PA在油中的结晶能力有关。

The mechanism of mueoid and non-mucoid strains of PA infecting the respiratory tract was studied, the results showed that the diffusibility of mucoid PA from lungs to liver and spleen was higher than that of non-mucoid PA.

在粘液型PA及非粘液型PA呼吸道感染机制的研究中明确了粘液型PA从肺内向肝、脾、血中的侵袭力要比非粘液型强。

PA, PA-11, PA-12 nylon hose has smooth intine, with fluent liquid flow and without stain and fouling.

PA 、 PA-11 、 PA-12 尼龙管的内壁光滑、液体流畅、无生锈、无结垢现象。

The result shows that the Coulomb failure stresses increased along the southwest and northeast segments of the Gonggacuo fault, the east and west segment of the Kengxiwar faults, the west segment of the Pulu fault, the west segment of the Lungmu Co—Bangdag Co, the Altyn Tagh fault and the western Kunlun thrust fault by 6.9×104 Pa, 4.4×103 Pa, 8.0×105 Pa, 2.8×103 Pa, 2.3×104 Pa, 5.7×103 Pa, 1.6×103 Pa and 1.1×103 Pa, respectively, decreased along the central segment of the Gonggacuo and Kengxiwar faults, the east segment of the Lungmu Co—Bangdag Co fault, the central segment of 〖JP2〗the Pulu fault, and the north segment of the Karakorum fault by 3.9×105 Pa, 5.8×105 Pa, 1.5×104 Pa,1.5×104 Pa and 1.1×103 Pa, respectively.

结果表明，库仑应力在贡嘎错断裂的西南段和东北段、康西瓦断裂东段和西段、普鲁断裂西段、龙木错-邦达错西段、阿尔金断裂和西昆仑山前逆冲断裂增加分别达6.9×104 Pa、4.4×103 Pa、8.0×105 Pa、2.8×103 Pa、2.3×104 Pa、5.7×103 Pa、1.6×103 Pa和1.1×103 Pa，而使得贡嘎错断裂中段、康西瓦断裂中段、龙木错-邦达错东段、普鲁断裂中段和喀喇昆仑北段断层上的库伦破裂应力减小分别达3.9×105 Pa、5.8×105 Pa、1.5×104 Pa、1.5×104 Pa和1.1×103 Pa。

The technical advantage of NOY company is in civil yarn chip; that of Aquafil is in bulk carpet filament chip; that of Zimmer is in tyre cord yarn chip; while that of PE is in the capability of producing middle and high viscosity of PA-6 chips simultaneously, and in the world advanced chip for membrane; and that of Invent-Fischer is in the capability of producing both high quality PA-6 civil chip, and high viscosity of PA-6 chip through the solid condensation polymerization process in series.

NOY、Aquafil、Zimmer公司的技术优势分别在民用丝用PA-6切片、膨体地毯丝用PA-6切片以及轮胎帘子线用PA-6切片上；PE公司的技术优势主要是可同时生产中、高黏度PA-6切片，且在生产膜用PA-6切片上世界领先；Invent-Fischer公司技术优势在于既可生产高质量的民用丝级PA-6切片，又可通过串联固相后缩聚工序生产高黏度PA-6切片。

objective to study the changes of t-pa and t-pa inhibitorduring the acute stage of cor pulmonale.methods to measure the plasmatic activity of t-pa and pai by chrom-substrate in60cases of cor pulmonale,compared with the corresponding index of55cases in the control group.results pai was significantly higher in acute stage than in remission stage of corpulmonale,and t-pa was lower in remission stage than in acute stage.the difference was significant（p.01）.conclusion the unbalance between t-pa and pai can promote the formation of micro-thrombus and further exacerbate high pulmonary pressure.

目的 探讨血浆组织型纤溶酶原激活物及t-pa抑制物在肺心病急性加重期的变化。方法用发色底物法测定60例肺心病急性加重期的血浆t-pa及pai的活性，并与对照组55例肺心病缓解期的相应指标作比较。结果肺心病急性加重期患者pai显著高于肺心病缓解期，而t-pa低于肺心病缓解期，其差异具有非常显著性（p.01）。结论 t-pa及pai关系失衡，有助于动脉内微血栓形成，促进或加重肺动脉高压的形成。

Results When/AO＜0.5,the surgical mortality increased significantly. However, when PA/BSA≥2.0,/BSA≥2.4 and PA/NPA���0.6, the survival rate increased obviously. But, the conventional ratio of PA/AO and the situation of LPA and RPA was not proved to be a significant indicator of transannular repair of right ventricular outlet. There was not any significant relationship between postoperative PRV/LV and the diameter of LPA and RPA.

结果/AO＜0.5时，手术危险性显著增加；PA/BSA≥2.0时，/BSA≥2.4及PA/NPA≥0.6时，其手术安全性显著增加；是否需跨肺动脉瓣环补片主要与PA/BSA，PVA/BSA，PA/NPA有关；术后PRV/LV比值与PA及其分支发育情况无关，而主要受术中右心室流出道和PA疏通情况的影响。

The experiment of BALB/c mice immunized with the DNA vaccines showed that pA and pEA could induce simultaneously specific antibodies against serotypes A, Asia1, and O FMDV, and the highest antibody titres were found in the pEA and inactivated vaccine groups compared to pA vaccinating mice. Compared with the control, the levels of IL-2, IFN-γ, IL-4, and IL-10 expression by splenic lymphocytes from mice immunized with pA and pEA were significantly increased.

小鼠免疫实验表明， pA和pEA免疫组的血清抗体均能分别与O型、A型和AsiaI抗原反应，与对照组相比差异较显著，且pEA免疫组和灭活疫苗免疫组抗体水平均显著高于pA免疫组；同时pA和pEA免疫小鼠细胞因子IL-2、IFN-g、IL-4和IL-10较对照组显著提高，且pEA免疫组的IL-2、IFN- g和IL-4水平明显高于pA免疫组。

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