The contribution of water concentration on the growth of carbon nanotubes was investigated. Scanning electron microscopy results showed that the grown CNTs in CH4/H2 gas mixure had chain-shaped structure and the diameter was about 40—90nm. With the addition of proper amount of water, the diameter of CNTs became uniform, and the surfaces of nanotubes were fully covered with nano-sized node-like structures. When more water was added, branched carbon nanotubes were synthesized.

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The main sedimentary environment is delta front and delta underwater channel sand and branched channel mouth bar.

其主要沉積環(huán)境是三角洲前緣和三角洲水下河道砂體以及分支河口砂壩。

A variety of sorghumhaving a stiff,erect,much - branched flower cluster,the stalks of which are used to make brooms.

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A variety of sorghumhaving a stiff,erect,much - branched flower cluster,the stalks of which are used to make broom s.

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Over the next eight years, Harrington branched out even more: She started her own trucking business, added a cold-storage company, and now has three bakeries producing fresh buns and frozen dough—all now known as the Bun Companies.

在隨后的8年期間持黄持好看视频免费，哈靈頓開的分公司更多了：她開辦了自己的汽車運輸公司，一家冷藏公司「咔骞破現(xiàn)在她擁有三個制作新鮮面包和冷凍生面團的面包廠---所有這一切構(gòu)成現(xiàn)在著名的Bun面包公司黄页观看在线免费。

Main stems erect or climbing, generally branched, with cladodes in axils of main stems and branches.

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Primary branches of panicle much branched, branchlets many

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Stem sparingly branched from base, erect or caespitose, base often woody, densely clothed in fibrous or tough remnant sheaths.

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Roots stout. Stems solitary, rarely sparingly caespitose, erect, diffusely many branched, glabrous or proximally glandular pubescent.

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Stems caespitose, branched or not; leaf blade linear-lanceolate or elliptic-lanceolate, 3-5 mm wide [in Nepal, leaves to 8 mm wide]; racemes terminal or axillary; bracts linear, persistent at flowering; inner sepals ovate-oblong to elliptic-oblong.

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