共查询到20条相似文献,搜索用时 953 毫秒
1.
2.
3.
古印度僧人集体出行,随身常带十八样东西。哪十八样?齿木、澡豆、三衣、钵、瓶、坐具、锡杖、香炉、滤水囊、毛巾、小刀、火燧、镊子、绳床、经卷、戒本、佛像、菩萨像是也。澡豆类似香皂,用来洗脸。三衣指袈裟。钵用来盛饭。瓶用来盛水。坐具是一种长方形的布,能躺能卧。锡杖是顶端带环的棍子,用来驱赶毒蛇和猛兽,化缘的时候摇动起来,哗啦啦地响,提醒施主预备饭菜。香炉当然是焚香用的,僧人们走路走累了,就放下香炉,焚上香,挨个从炉子上跨过去,把汗味儿熏跑。 相似文献
4.
5.
6.
7.
张学军 《中国轮胎资源综合利用》2011,(10):44-45
由北京海富展览服务有限公司主办的第九届中国国际轮胎博览会近日结束。此届的展会是历来展览面积最大的一届。展商数量将近300家,展览面积超过22000平米。展商包括中国本土企业、国外品牌驻中国的代表,以及美国、英国、德国、荷兰、印度、意大利、白俄罗斯、新加坡、韩国、中国台湾等国家和地区的境外展商。 相似文献
8.
<正>4月28日上午,河北省劳动模范、先进工作者和先进集体表彰大会在石家庄河北会堂召开。来自全省各条战线的劳动模范、先进工作者和先进集体代表以及省会各界职工代表欢聚一堂,共同庆祝即将到来的"五一"国际劳动节。省委书记、省人大常委会主任周本顺出席会议并讲话。省委副书记、省长张庆伟主持会议。省领导赵勇、付志方、梁滨、范照兵、孙瑞彬、景春华、艾文礼、王增力、张杰辉等出席会议。全国拉坯状元、河北省曲阳定瓷有限公司工艺师庞永辉获得河北省"特等劳动模范"荣誉称号。 相似文献
9.
10.
11.
Experimental cloud-point data to 210 ‡C and 2,200 bar are presented for binary and ternary mixtures of poly(methyl acrylate)-CO2-methy acrylate and poly(ethyl acrylate)-CO2, propylene, and 1-butene-ethyl aerylate systems. The accuracy of the experimental apparatus was tested by comparing the measured
pressure-temperature phase behavior data of the poly(ethyl acrylate)-CO2 system obtained in this study with those of Rindfleisch et al. [1995]. The phase behaviors for the system poly(methyl acrylate)-CO2-methyl acrylate were measured in changes of pressure-temperature slope, and with cosolvent concentrations of 0, 5.0, 13.7,
25.3, and 43.3 wt%, respectively. With 48.3 wt% methyl acrylate to the poly(methyl acrylate)-CO2 solution significantly changes, the phase behavior curve takes on the appearance of a typical lower critical solution temperature
(LCST) boundary. The impact of ethyl acrylate on the cloud-point for the poly(ethyl acrylate)-CO2 system shows the change of slope of the phase behavior curves from negative to positive with ethyl acrylate concentration
of 0, 8.2, and 25.0 wt%. The cloud-point behavior for the poly(ethyl acrylate)-CO2-39.5 wt% ethyl acrylate system shows an LCST curve. The solubility curve to ∼150 ‡C and 1,650 bar for poly(ethyl acrylate)-propylene-ethyl
acrylate system shows the change of pressure-temperature diagram and with ethyl acrylate concentration of 0, 7.2 and 21.0
wt%. Also, when 41.1 wt% ethyl acrylate was added to the poly(ethyl acrylate)-propylene solution, the phase behavior curve
showed the LCST region. The high pressure phase behavior of poly(ethyl acrylate)-1-butene-0, 3.1, 8.1, 18.5 and 30.7 wt% ethyl
acrylate system presented the change of pressure-temperature curve from the UCST region to U-LCST region as the ethyl acrylate
concentration increased. 相似文献
12.
针对乳液型丙烯酸酯PSA(压敏胶)的耐水性较差、耐高温性欠佳及涂布干燥速率较慢等弊病,综述了乳液型丙烯酸酯PSA的最新研究方向及进展(包括高固含量乳液型丙烯酸酯PSA、乳液型交联丙烯酸酯PSA、低表面能材料粘接用乳液型丙烯酸酯PSA和耐水性乳液型丙烯酸酯PSA等);最后对其应用前景进行了展望。 相似文献
13.
14.
Tai Yeon LeeTodd M Roper E.Sönny JonssonIgor Kudyakov K ViswanathanC Nason C.A GuymonC.E Hoyle 《Polymer》2003,44(10):2859-2865
The photopolymerization of vinyl acrylate has been investigated using real-time FTIR. The acrylate and vinyl groups exhibit different polymerization kinetics with the acrylate functionality polymerizing at a much faster rate. Vinyl acrylate not only self-initiates its own free-radical polymerization, but also photoinitiates the polymerization of mono- and difunctional acrylates. Kinetic studies using a model monomer system indicate that it is essential for the acrylate and vinyl group to be part of the same molecule in order to function as an effective initiator for acrylate polymerization. 相似文献
15.
紫外光固化聚氨酯丙烯酸酯研究进展 总被引:4,自引:0,他引:4
综述丁紫外光(UV)固化聚氨酯丙烯酸酯的研究进展,主要包括:UV固化的聚氨酯丙烯酸酯预聚物;光固化有机/无机复合材料;水性UV固化聚氨酯丙烯酸酯和UV固化超支化聚氨酯丙烯酸酯。 相似文献
16.
氯乙烯/丙烯酸酯二元及多元共聚物的研究进展 总被引:1,自引:0,他引:1
介绍了氯乙烯/丙烯酸酯多元共聚物、聚氯乙烯树脂/丙烯酸酯/顺丁烯二酰亚胺接枝共聚物、聚氯乙烯树脂/N-取代马来酸胺/丙烯酸酯接枝共聚树脂、氯乙烯/乙酸乙烯/丙烯酸羟丙酯共聚物、氯乙烯/乙酸乙烯/丙烯酸丁酯共聚乳液、聚丙烯酸酯-氯乙烯接枝共聚物、氯乙烯/乙烯/丙烯酸羟乙酯共聚涂料树脂、氯乙烯/丙烯酸甲酯共聚乳液的特点、生产工艺及其性能和用途. 相似文献
17.
Wool fibres were grafted with methyl acrylate, ethyl acrylate, n-butyl acrylate and methylmethacrylate to various percentages of grafting in nitrogen atmosphere using ceric ammonium nitrate in nitric acid as initiator. The effects of concentration of the initiator, acid, monomer, temperature and time on the grafting were investigated. A comparison of such results indicated the following reactivity order of monomers: methyl acrylate > ethyl acrylate > methylmethacrylate > n-butyl acrylate. The molecular weights of the grafts were investigated by isolating the grafts from the fibres. 相似文献
18.
19.
密封胶用环氧改性丙烯酸树脂生产工艺的研究 总被引:1,自引:0,他引:1
以甲基丙烯酸甲酯为硬单体,丙烯酸丁酯为软单体,丙烯酸为功能单体,环氧树脂为改性剂制备了密封胶用环氧改性丙烯酸树脂。讨论了环氧树脂的类型及用量,溶剂的种类,反应的温度,溶剂和相对分子质量调节剂的选择,确定了适宜于制备密封胶用环氧改性丙烯酸树脂的反应条件及最佳的配方。 相似文献
20.
UV固化低聚物及其涂料研究进展 总被引:3,自引:0,他引:3
综述了UV固化低聚物(主要是环氧丙烯酸酯和聚氨酯丙烯酸酯)的研究进展。环氧丙烯酸酯研究进展包括:降低黏度、改善柔韧性、光敏活性、耐热性、耐磨性和阻燃性能;聚氨酯丙烯酸酯的研究进展包括:紫外光固化的聚氨酯丙烯酸酯预聚物合成方法;聚氨酯丙烯酸酯/无机纳米复合材料;光固化无机/有机杂化材料;水性UV固化聚氨酯丙烯酸酯和UV固化超支化聚氨酯丙烯酸酯。较为详细地论述了氧阻聚的3种作用机理及解决方法(物理和化学2种方法),最后对光固化技术的5大发展趋势进行了展望。 相似文献