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Its solution behaviors are similar to and even better than those of corresponding polyelectrolytes singly modified with the same hydrophobe to the added surfactant.

通过溶液共聚,将碳氢和氟碳这两种疏水单体无规地接枝到聚电解质主链上,得到的这类混合改性的聚电解质无论与碳氢小分子表面活性剂还是与氟碳小分子表面活性剂作用均表现出和同种大分子表面活性剂与小分子表面活性剂作用时相似甚至更好的缔合情形。

When the carbon microsphere s are graphitized under the protection of Ar at 2100~2600℃,closed-cell carbon microspheric form of graphitic structure is produced.

依据微胶囊化原理,用热固性线型酚醛树脂制得微胶囊,加热去除囊芯后用作先驱体,在N2保护下进行900~1100℃的碳化处理得到具有无定型碳结构的闭孔碳微球,然后在Ar气保护下进行2100~2600℃的石墨化处理,得到具有石墨结构的闭孔微球碳泡沫材料。

The results showed that elevated CO2 increased the R/S ratio and the dry mass of both coarse and fine roots, indicating that the seedlings under elevated CO2 allocated more biomass to their belowground part. Compared with control, elevated CO2 increased the contents of reducing sugar, sucrose, and total soluble sugar in coarse roots significantly, but had less effect on those in fine roots. Elevated CO2 increased the contents of starch and total non-structural carbohydrate both in coarse roots and in fine roots. Under elevated CO2, the carbon content in coarse and fine roots had an unsignificant increasing trend, while the nitrogen content decreased significantly, which resulted in an increase of C/N ratio.

结果表明:CO2浓度升高使红桦幼苗粗根和细根的干质量增加,同时根/冠值显著升高,表明CO2浓度升高使红桦幼苗生物量向根系的分配增加;与对照相比,粗根的还原糖、蔗糖和总可溶性糖含量显著增加,而在细根中没有显著变化;粗根、细根的淀粉和总的非结构性碳水化合物含量显著增加;CO2浓度升高下粗根和细根的碳含量有升高的趋势但未达到显著水平,同时氮含量降低,碳/氮值升高;氮的吸收量在粗根和细根中均无显著变化。

The results showed that elevated CO2 increased the R/S ratio and the dry mass of both coarse and fine roots, indicating that the seedlings under elevated CO2 allocated more biomass to their below- ground part. Compared with control, elevated CO2 increased the contents of reducing sugar, sucrose, and total soluble sugar in coarse roots significantly, but had less effect on those in fine roots. Elevated CO2 increased the contents of starch and total non-structural carbohydrate both in coarse roots and in fine roots. Under elevated CO2, the carbon content in coarse and fine roots had an unsignificant increasing trend, while the nitrogen content decreased signifi- cantly, which resulted in an increase of C/N ratio.

结果表明:CO2浓度升高使红桦幼苗粗根和细根的干质量增加,同时根/冠值显著升高,表明CO2浓度升高使红桦幼苗生物量向根系的分配增加;与对照相比,粗根的还原糖、蔗糖和总可溶性糖含量显著增加,而在细根中没有显著变化;粗根、细根的淀粉和总的非结构性碳水化合物含量显著增加;CO2浓度升高下粗根和细根的碳含量有升高的趋势但未达到显著水平,同时氮含量降低,碳/氮值升高;氮的吸收量在粗根和细根中均无显著变化。

Yongkang Hefa Tools Co.,Ltd.is a manufacturcr specializing in producing Auxiliary Air valves and carbon canisters of motorcycle,leisure vehicle,universal gasoline engine and automobile with Japanese technologies.it has obtained ISO9001:2000 certification and has several patents such as unspillable reed valve,combined gulp cylinder head ,ctc.or company is located in Baiyun Industry Area,Yongkang,a city of hardware in China with comfortable environment and convenient transportation With the first-class production ﹠ test equipment and abundant test methods,we have already gained the ability to establish a complete process line from rough machining to entire assembly.

永康市合发工具有限公司是一家专业生产摩托车、休闲运动车、通用汽油机、汽车用二次空气阀总成、碳罐的企业。公司引进了日本技术,。。。参考价格/报价: 0元/只永康市合发工具有限公司是一家专业生产摩托车、休闲运动车、通用汽油机、汽车用二次空气阀总成、碳罐的企业。公司引进了日本技术,通过 ISO :9001:2000国际质量管理体系认证,并且拥有多项专利技术,如:无泄漏簧片阀,连体补气缸头等,具备年产二次空气阀200万套的能力。

The higher carbon content in dry, ash-free basis of coal shows more remarkable influence of particle size on specific surface area, porosity ratio and pore volume.

煤中无水无灰基元素碳含量越高则其比表面积、孔隙容积与空隙面积受颗粒粒度的影响也就越大。

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环运行器把传统的、繁琐的、多触点元件组成的起动装置去掉,采用无刷无环运行,操作简单,安装拆卸方便,可大大减少维修费用,其优点是:去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件,并可保持电机原有的运行特性。

No brush No ring starter remove the traditional 、complicated、multiconduction component starting equipment. it is easy to operate and install, less repairing expense. the advantage is: to keep the original operation without rings、carbon brush、brush box、brush box shell、short circuit ring and ajustable rheostat frequency sensitive rheostat on secondary loop system AC connector and time relay.

无刷无环起动器把传统的、繁琐的、多触点元件组成的起动装置去掉,采用无刷无环运行,操作简单,安装拆卸方便,可大大减少维修费用,其优点是:去掉滑环、碳刷、刷盒、刷盒支架、短路环及二次回路系统中的频敏变阻器、交流接触器、时间继电器等元件,并可保持电机原有的运行特性。

Wedgeplug O-Seal plug valves with their positive, no-leak features are not only recommended as the best general purpose valves for handling hydrocarbons, vegetable oils, solvents, etc., but are ideal for such tough service as butane, propane, butadiene, acetone, ethyl alcohol, ammonia, anhydrous ammonia, benzene, vinyl chloride, dry chlorine, Dowtherm, ethane, ethylene, hydrogen chloride, napthalene, oxygen, hydrogen, phthalic anhydride, dry phosgene, phosphoric acid, potassium carbonate, styrene, molten sulphur, sulphur dichloride and related services within a temperature range from -300oF to + 450oF within pressure limits of the valves.

楔塞O形密封旋塞阀具有积极的、无泄漏特性,不但是最好的通用的阀门,用于处理碳化氢,植物油,溶剂等,还特别适用于严酷的应用环境,如丁烷,丙烷,丁二烯,丙酮,乙醇,氨,无水氨,苯,氯乙烯,干氯,道氏热载体,乙烷,乙烯,氯化氢,萘,氧,氢,邻苯二甲酸酐,干碳酰氯,磷酸,碳酸钾,苯乙烯,融化硫,二氯化硫,以及温度在-184oC至232oC之间,压力在阀门额定压力等级范围内的有关应用。

In the present invention, platinum-carbon catalyst, perfluoro sulfonic acid resin solution and absolute ethyl alcohol are uniformly mixed under ultrasonic conditions; mixture is uniformly smeared on a micro-porous layer of carbon cloth or carbon paper in a brushing or printing method, and a traditional Pt/C gas porous electrode is obtained after drying; silicon oil is adopted to infiltrate into pores of a catalyst layer and a diffusion layer of the traditional Pt/C gas porous electrode, and then the ordering anti-drowning gas porous electrode is obtained after drying.

本发明是将铂碳催化剂、全氟磺酸树脂溶液和无水乙醇在超声波条件下混合均匀,采用涂刷或印制的方法将混合物均匀涂布到碳布或碳纸的微孔层上,干燥后制得传统Pt/C气体多孔电极;然后将硅油渗入到传统Pt/C气体多孔电极的催化层和扩散层孔隙中,干燥后制得有序化抗溺水气体多孔电极。

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But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。