雾度
- 网络Haze;Fogging;Haze ratio;Spectral Haze
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CT能显著降低聚丙烯雾度(≤15%),提高光泽度(≥130%)。
The transparent agent cold notably reduce the haze of PP ( < 15 % ), and improve the glossiness of PP ( > 13 % ) .
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结果发现,α成核剂使均聚PP和共聚PP的晶粒细化均一,雾度显著降低,而对嵌段PP的晶粒变化无影响;
It is found that α - nucleating agent make spherulite size of homo-PP and co-PP homogeneous , make haze decrease greatly , and can 't change spherulite size of block PP.
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复合材料的红外吸收能力较m-LLDPE明显提高,此外,m-LLDPE/纳米SiO2复合材料的可见光透光度有所降低,雾度却有明显的上升。
Moreover , the permeating light rate of the m-LLDPE / nano-SiO2 composites was decreased , but the fog degree was increased obviously .
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通过雾度测试、PLM、DSC分析,结果表明:成核剂的加入可以显著降低雾度值,提高透明性。
The product was identified by haze PLM , DSC and the research results showed that the haze decreased and the transparency increased evidently with the additive of nucleating agent .
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存在一个最佳凝胶含量范围使MBS更能有效地对PMMA/SAN进行增韧,而且,PMMA/SAN/MBS共混物具有很高的透光率和很低的雾度。
MBS effectively toughened PMMA / SAN in the range of the appropriate gel content . PMMA / SAN / MBS blend had the higher transmittance and the lower haze .
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含有较高w(C2H4)(如大于4%)的PP,具有相对较低的雾度(38%左右),是透明PP专用树脂的良好基料。
When mass fraction of ethylene reaches a higher value ( > 4 % ), the PP has a comparatively low haze ( about 38 % ) and therefore , can be used as good base resin for transparent PP speciality .
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结果发现,SEBS能够提高聚丙烯的透明性,随着SEBS含量的增加,PP/SEBS共混物的透明性逐步提高,当SEBS含量为40%时,透光率由81%上升到84%,雾度由76%降至50%。
It was found that SEBS could improve the transparency of PP. When its content was 40 % , light transmittance changed from 81 % to 84 % , and haze also reduced from 76 % to 50 % .
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试验证明,随着w(C2H4)的增加,无规共聚PP的屈服拉伸强度、热变形温度降低,冲击强度有了明显的提高,雾度有降低趋势。
The experiments verify that as the mass fraction of ethylene rises the tensile strength at yield and thermal deformation temperature of the PP goes down while its impact strength goes up significantly . At same time , a declining tendency in haze of the PP appears .
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随着MBS核中苯乙烯结合量的增加,PMMA/SAN/MBS共混物的冲击强度和透光率先增大在减小,而雾度先减小在增大。
With the increase of St content arranged in the core of MBS , the impact strength and the transmittance of PMMA / SAN / MBS blend increased and then decreased , the haze of PMMA / SAN / MBS blend decreased and then increased .
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结果表明,口模温度250℃、包辊时间15s、中辊温度55℃为生产高透明PP片材的最佳工艺参数,所得片材的雾度只有13.2%,属高透明产品。
Results showed that high - transparent PP sheets can be achieved with haze of only 13 . 2 % . The best technical parameters were as follows : die temperature was 250 ℃ , middle roller temperature was 55 ℃, roll banding time was 15s .
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用多元复合理论解决透明薄膜母料的雾度问题
To Solve Foggy in Master Batch of Transparent Film Using Multi-Compounding Theory
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适当的含水率可以减小薄膜的雾度。
Proper water content is able to decrease the haze of the film .
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光阱吸收比对雾度测量的影响
Effect of Light Trap on Haze Measurement
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GB/T2410-1980透明塑料透光率和雾度试验方法
Transparent plastics & Transmissivity and haze test
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透明材料雾度的测量
Measurement of Transparent Material Haze Marine Fog
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透明件透光度雾度检测系统工作台设计
Machine design of the detecting system for light transmittance and haze of the translucent sample
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雾度-晶圆片表面大量的缺陷,常常表现为晶圆片表面呈雾状。
Haze - A mass concentration of surface imperfections , often giving a hazy appearance to the wafer .
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该新工艺配方降低了薄膜雾度,提高了透明性,同时不影响薄膜的其他性能。
The new recipe raised the transparency of the film by lowering its haze , while remained the other properties of the film uninfluenced .
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对抚顺乙烯装置所产的不同基础料进行透明改性研究表明,基础树脂及透明剂对透明料的雾度值影响很大。
It is founded that haze is influenced largely under basis resins and clarified nucleators by the research of transparence modification on different basis resins .
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测试了该保鲜膜的拉伸强度、撕裂强度、透光率、雾度、热封强度。
Various properties of fresh-keeping films were examined , such as tensile strength , tear strength , transmittance , haze , and heat sealing strength .
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结果表明:在选用透明剂A作成核剂,质量分数为0.3%,挤出温度在170~240℃范围内时得到了雾度为15%以下,各项性能优异的透明聚丙烯。
Results showed that taking 0.3 % transparent agent A as nucleation agent , under the extruding temperature of 170 ~ 240 ℃, polypropylene with excellent property and 15 % haze was obtained .
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同时可使聚丙烯的拉伸强度提高10%左右,弯曲模量提高30%左右,雾度降低40%左右。
Meanwhile the tensile strength and flexural modulus of iPP could be increased by about 10 % and 30 % , respectively , and the haze value of iPP could be decreased by about 40 % .
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复配体系中,硅溶胶为0.15%、有机磷酸盐含量为0.35%可获得最低雾度值36.3%,效果最好。
In the compound system , we can obtain the lowest haze was 36.3 % when silicon sols content was 0.15 % , organic additive content was 0 . 35 % , and then the effect was the best .
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研制出的专用料其雾度接近10%,光泽度为129,物理力学性能、生物性能、化学性能优异,可用于制作高质量的一次性医疗制品。
The haze of the special PP is up to 10 % , gloss is 129 It is endowed with excellent physical and mechanical , biochemical and chemical properties . It can be used to produce throwaway medical articles with high quality .
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在用户加工应用中,分别生产了4μm、8μm的农地膜,膜的力学性能完全满足国家标准要求,所生产的地膜的雾度在10%以下。
The compound was applied to the preparation of agricultural mulch film by customs , 4 μ m and 8 μ m mulch films were produced . The mechanical properties of the fims could all fulfil the requirements of national standard ( GB ) .
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输电线路高压人工雾现场污秽度测试技术研究
On-Site Measurement of Contamination Severity for HV Transmission Line with Artifical Fog
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雾天低对比度图像增强方法的研究
Research on Contrast Enhancement of Fog-Degraded Image
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因此,研究雾天低对比度图像和视频的清晰化方法有着重要的意义。
Hence , it is significant to enhance the low-contrast images and videos which were degraded by fog .
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针对雾天图像对比度差、能见度降低的特点,提出了一种局部尘雾消除方法&LDOS。
In order to enhance contrast and visibility of scenery images degraded by fog , a Local Dark-Object Subtraction ( LDOS ) method was proposed .
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[方法]通过建立空气污染及雾与每天哮喘急诊人数间的GAM模型,估计暴露于污染空气及雾的相对危险度(relativerisk,RR)。
[ Methods ] RR ( Relative Risk ) in the exposure of air pollutant / fog was estimated by GAM based on each air pollutant / fog in relation to asthma hospital emergency room visits .