Anion exchange resin was not suitable for the separation as stationary phase due to the strong adsorption toward catechol.The chemicals of eluates were measured by UV and IR.Terpene-catechol resin can be used for preparing copolymeric coating from terpene-catechol resin with raw lacquer.

通過(guò)對(duì)洗脫液進(jìn)行紫外光譜分析日韩欧美一级特黄AAAAA片，表明用中性氧化鋁作固定相911亚洲经典，分別用汽油、乙醇和NaOH-乙醇溶液洗脫肏女人逼12p，能較好地分離萜烯樹脂和萜烯-鄰苯二酚樹脂人人操人人亚人人干99。

Results showed that terpene-catechol resin could be synthesized directly with the proposed method.The synthesized terpene-catechol resin could be separated from terpene resin and catechol on neutral alumina column with petroleum,absolute ethanol and 5％ NaOH-ethanol solution as eluates.

采用柱層析法分離萜烯樹脂和萜烯-鄰苯二酚樹脂，分別采用中性氧化鋁和強(qiáng)堿性陰離子交換樹脂作固定相大量国产真实在线视频，汽油麻豆视频免费播放、乙醇、NaOH-乙醇溶液作洗脫劑對(duì)萜烯樹脂和萜烯-鄰苯二酚樹脂進(jìn)行分離提純亚毛基地。

The fractured surfaces and the structure of the resin binder links, which exist in nitrogen-free high-furfuryl-alcohol resin sand mixture and in high-nitrogen content low-furfuryl-alcohol resin sand mixture respectively are investigated by the aid of scanning electronic microscope.

本文通過(guò)掃描電鏡分別對(duì)高糠醇無(wú)氮樹脂砂和低糠醇高氮樹脂砂斷口的破裂形式无码在线点开看，樹脂膜組織結(jié)構(gòu)進(jìn)行了觀察和研究。

Epoxy resin, amino resin, alkyd resin are adopted to get endure boiled anticorrosive stoving varnish introducing it's produce process, discussing reason of affect it's performance.

采用環(huán)氧樹脂日韩小草在线、氨基樹脂国产538黄色网站在线观看、醇酸樹脂研制成耐煮沸防腐烘干清漆，介紹了該漆的制備工藝猫咪官方app网页版ios，討論了影響其性能的因素直接观看黄的免费网站。

The strengths of the plain wood rose along with the compression ratio, while the bending strength and MOE lowered as it reached the maximum compression ratio; the plain wood compressed (33%) and heated 10h with 180℃. its bending strength lowered 40%, MOE lost about 50% and hardness lowered 12% than heated 0.5h; the properties not to be compressed after impregnated with PF resin. had a slow rising with the resin concentration, and compressed (33%) after impregnated with PF resin (30%). its bending strength, MOE and hardness increased 82.9%, 98% and 152% respectively.

三倍體毛白楊素材壓縮后，其靜曲強(qiáng)度和抗彎彈性模量均隨壓縮率的增大而提高欧美日韩在线观看，但接近最大壓縮率時(shí)均下降最新色色网址；素材壓縮（壓縮率為33%）后以180℃空氣加熱處理10 h，靜曲強(qiáng)度比同溫度壓縮保溫0.5 h時(shí)下降約40%亚洲浮力第一页，抗彎彈性模量下降近50%亚洲免费送视频，表面硬度下降約12%；用PF樹脂浸漬處理后不經(jīng)壓縮欧色色色，隨PF樹脂含量增加木材靜曲強(qiáng)度提高幅度不大你懂网站在线；用30%PF樹脂浸漬后，當(dāng)壓縮率為33%時(shí)，其靜曲強(qiáng)度无码人与动欧交视频A片、抗彎彈性模量和表面硬度分別比未壓縮素材增加82.9%久久wwwcom，98%和152%。

Dandong City, Liaoning Province Orient Resin Factory of China's production of ion exchange resin backbone enterprises, the earlier production of domestic manufacturers of ion exchange resin, one plant so far in 1991 has fifteen years of production history.

遼寧省丹東市東方樹脂廠是我國(guó)生產(chǎn)離子交換樹脂的骨干企業(yè)日韩片婬乱一级毛片视频，國(guó)內(nèi)較早生產(chǎn)離子交換樹脂廠家之一日韩在线观看网红自拍视频网站免费，一九九一年建廠至今有十五年的生產(chǎn)歷史。

The volatile compositions in liquid CO2 hop extract or compressed hop of homemade SA-1 hop were analyzed by headspace so- lid-phase micro extraction. Multiple indexes including total resin, soft resin, hard resin,α-acid,β-acid, and polyphenols in SA-1 hop were measured and then the parameters of SA-1 influencing beer brewing were compared with foreign quality hop SAAZ.

采用頂空固相微萃取方法對(duì)國(guó)產(chǎn)香型啤酒花品種札一的壓縮花和液態(tài)CO2浸膏中的揮發(fā)性成分進(jìn)行了分析国产盗摄在线一区二区三区，并測(cè)定了該啤酒花品種的總樹脂91se国产在线视频、軟樹脂、硬樹脂国产欧美亚洲91精品、α-酸农村少妇A级毛片免费看、β-酸和啤酒花多酚等多項(xiàng)指標(biāo)，并與國(guó)外優(yōu)質(zhì)香型花SAAZ的各項(xiàng)影響釀造性能的參數(shù)進(jìn)行了比較亚洲精品国产2014AV天堂网手机版。

Lid-phase micro extraction. Multiple indexes including total resin, soft resin, hard resin,α-acid,β-acid, and polyphenols in SA-1 hop were measured and then the parameters of SA-1 influencing beer brewing were compared with foreign quality hop SAAZ. The results suggested that SA-1 hop had lower content of α-acid（3.40 % w/w,its content of β-acid was 3.50 % and co-humulone ratio was 23.92 % rel.

采用頂空固相微萃取方法對(duì)國(guó)產(chǎn)香型啤酒花品種札一的壓縮花和液態(tài)CO2浸膏中的揮發(fā)性成分進(jìn)行了分析黄色带三级片视频，并測(cè)定了該啤酒花品種的總樹脂、軟樹脂勉费的黄色视频、硬樹脂男操女的骚黄视频在线、α-酸、β-酸和啤酒花多酚等多項(xiàng)指標(biāo)能看啪啪啪的网站，并與國(guó)外優(yōu)質(zhì)香型花SAAZ的各項(xiàng)影響釀造性能的參數(shù)進(jìn)行了比較国产区在线。

Curing kinetics of epoxy resin and the effects of different compositions on curing reaction were researched by using the differential scanning calorimeters. Relationship between curing temperature and curing converting rate had been studied. Curing conditions for the system were determined. Modified nano-Al2O3/epoxy resin and core shell/epoxy resin composites were prepared by means of blending method. The influence of the composition on the properties was discussed. The thermal and dielectric properties of these composites were investigated using differential scanning calorimetry, Thermogravimetry and dielectric analyzer.

首先，論文通過(guò)差示量熱掃描儀分析研究了環(huán)氧樹脂與酸酐固化體系的固化反應(yīng)動(dòng)力學(xué)及固化工藝欧洲熟妇色XXXX欧美在线观看；然后国内亚洲精品无码久久，通過(guò)共混法和超聲分散法制備了一系列納米氧化鋁/環(huán)氧樹脂及核殼粒子/環(huán)氧樹脂兩相復(fù)合材料；進(jìn)而通過(guò)DSC及熱重分析儀測(cè)試了復(fù)合材料的玻璃化溫度亚洲顶级黄片毛片视频、熱降解溫度等熱學(xué)性能国产精品亚洲一区二区动漫，并采用介電分析儀測(cè)試分析了復(fù)合材料的介電常數(shù)、介電損耗等介電性能黄色一区哈啊肏，討論了組成對(duì)復(fù)合材料的熱學(xué)性能及介電性能的影響精久视频69视频在线观看。

Third, the project description: polyvinyl chloride resin is a synthetic material in one of the five generic synthetic resin, have good physical and mechanical properties, in the building materials, electronic materials, and daily consumer goods, and other areas of wide application of the proposed with an annual output of 300,000 tons of PVC resin project, the project completed, it can be realized in sales of 2.5 billion yuan.

三、項(xiàng)目簡(jiǎn)介：聚氯乙烯樹脂是合成材料中五大通用合成樹脂之一精品国产三级AV在线黑，具有良好的物理及機(jī)械性能成年人在线免费观看热视频，在建材、電子材料国产黄色片一区、日用消費(fèi)品等各種領(lǐng)域廣泛應(yīng)用一区二区国产黄片，擬建年產(chǎn)30萬(wàn)噸聚氯乙烯樹脂項(xiàng)目，項(xiàng)目建成后一级A片免费播放在线观看，年可實(shí)現(xiàn)銷售收入25億元插插插射射射。