studies on the properties of pvc materials with a new type of composite stabilizers

1、

present situation and prospect of pvc heat stabilizer

PVC热稳定剂及国内发展现状

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2、

structure analysis of rare earth stabilizers for pvc

PVC稀土热稳定剂结构分析

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3、

application of high performance ca/ zn heat stabilizer on the rigid pvc

高效钙锌复合热稳定剂在硬质PVC中的应用

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4、

the influence of metal soap thermal stabilizers on the dehydrochlorination of flexible pvc

金属皂类热稳定剂对软质PVC脱氯化氢反应的影响

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5、

the effect of pet stabilizer in stannous oxalate system

草酸亚锡体系中对PET稳定剂的研究

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6、

preparation and characteristics of novel lead fumarate composite stabilizer for pvc

PVC用富马酸铅复合稳定剂的制备及特性

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7、

study on the pyrolytic reaction of heat stabilizer during pvc processing

热稳定剂及与PVC混合物的热解反应研究

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8、

developing status and prospect of ester tin as pvc heat stabilizer

PVC热稳定剂酯基锡的研究现状与展望

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9、

objective to study the effects of nippv for patients with copd and sas in acute exacerbation period and stable period.

目的探讨无创正压通气（NIPPV）在COPD并SAS急性加重期及稳定期治疗的效果评价。

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10、

therapeutic effects of inhaling budesonide and formoterol in stable chronic obstructive pulmonary disease clinical observation of budesonide formoterol inhalation for patient with copd at stable stage

联合吸入福莫特罗和布地奈德干粉剂对稳定期COPD的疗效观察布地奈德福莫特罗吸入治疗慢性阻塞性肺疾病稳定期疗效观察

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11、

bacterial concentrations are higher during exacerbation than during stable disease; however, these studies are cross sectional and devoid of strain typing.

尽管研究表明COPD加重期细菌负荷高于稳定期，但这些研究均为横断面研究，并且缺少对菌株的分类。

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12、

objective to observe the therapeutic effect of aerosol inhalation spray inhalation with astragalus membranaceus injection on chronic obstructive pulmonary disease ( copd).

目的观察黄芪注射液超声雾化吸入对慢性阻塞性肺病（COPD）稳定期的疗效。

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13、

objective to evaluate the effect of health education on awareness degree and treatment compliance in stable chronic pulmonary disease ( copd) patients.

目的探讨健康教育对慢性阻塞性肺疾病（COPD）稳定期患者的认知状况和治疗依从性的作用。

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14、

conclusion effective and systematic exercise training can improve the exercise endurance and health-related quality of life in copd patients on stable phase.

结论有效系统的运动训练能够提高稳定期COPD患者运动耐力和健康相关生活质量。

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15、

the percentages of cd3, cd4, cd8, and the ratio cd4/ cd8 in stable stage were normal.

稳定期CD3、CD4及CD8百分率正常，CD4/CD8比值正常。

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16、

but when the algae grow into the stable period, the maximum cell density will be restricted by the ss concentration.

但是进入稳定期后，藻类生长的最大藻密度会受到水中SS的限制。

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17、

the concentrations of tp, tn in drainage water respectively have a peak value and a 40-days stable period.

农田排水中的TN、TP浓度变化均有一个峰值和40天的稳定期，建议在高浓度污染物出现期间控制农田排水或考虑高浓度排水进行回灌。

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18、

objective to evaluate the respiratory mechanics and inflammatory status in elderly patients with stable chronic obstructive pulmonary diseases ( copd).

目的评价老年稳定期慢性阻塞性肺疾病（COPD）患者的呼吸力学和炎症状态，为对稳定期COPD患者使用相应药物持续干预治疗提供依据。

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19、

production of cla was active during the end of log phase and stationary phase.

菌体生长对数期末尾和稳定期，CLA生成活跃。

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20、

there was no significant difference in the extent of small airway diseases between copd with bacterial infection and that without bacterial infection ( p> 0.05).

COPD急性加重期与稳定期细菌感染组与未感染组小气道病变程度差异无显著性（P＞0.05）。

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