The effects of molecular weight, temperature, shearing rate and solution concentration on viscosity of dry-jet wet-spinning PAN/ DMSO solution were studied by multivariate regression analysis.

Study on drawing process of dry-jet wet spinning of PAN fiber

干-喷湿纺聚丙烯腈纤维拉伸工艺研究

Nurse the Perineal Operation: Direct sprayed the wound after the operation and cover the wound with wet gauze dy sprayed.

会阴侧切术护理：术后用本品直接喷洒于伤口，并将纱布喷湿后覆盖伤口。

Dry-wet sping technique is used for the preparation of the PES hollow fiber membrane in this experiment.

采用干喷湿纺法纺制成聚醚砜中空纤维膜，研究了凝固浴质量分数与PES中空纤维结构和性能之间的关系。

Spraying the stock solution to moisten the skin for 2 min could reduce the natural bacteria on skin by 98.45% in average.

以其原液对皮肤喷湿作用2min，可使皮肤表面自然菌平均下降98.45%。

Multivariate regression analysis of rheological behavior of dry-jet wet-spinning PAN/ DMSO solution

多元回归法分析干喷湿纺PAN/DMSO原液流变性能

The effects of the jet stretch ratio and draw ratios of three-stage drawing including air drawing, DMF bath drawing, hot water and boiling water drawing and dry-hot drawing on the properties of PAN fiber were studied in dry-jet wet spinning.

研究了干-喷湿纺聚丙烯腈（PAN）初生纤维的喷丝头拉伸比和三级拉伸（空气拉伸、DMF浴拉伸、热水和沸水拉伸、干热拉伸）工艺中各拉伸比对纤维性能的影响。

The PBO polymer solution was synthesized by means of polycondensation of 4,6-diaminoresorcinol ( DAR) and terephthalic acid ( TPA). At 180~ 200 ℃, the polymer starts to form liquid crystal state, and the fiber can be synthesized by using the dry-jet wet-spinning method.

采用4,6-二氨基间苯二酚（DAR）与对苯二甲酸（TPA）缩聚的方法制备PBO聚合物溶液，在180~200℃使聚合物形成液晶态，利用干喷湿纺制法制备纤维。

Spray it a little wet may help ironing out the wrinkles.

熨烫时，可适量喷湿，易于烫平。

Precursors for high performance carbon fibers and Dry-Jet wet spinning

高性能碳纤维原丝与干喷湿纺

Dry-jet wet-spinning process of PAN precursor for carbon fibers

聚丙烯腈原丝及其干喷湿纺

Dry-jet wet-spinning precursor fibers have a smooth surface.

干喷湿纺原丝及碳纤维表面光滑无沟槽。

Compared with wet-spinning, dry-jet wet spinning is a relatively better spinning technology for producing carbon fibers with high performance.

与湿纺的方法相比，干喷湿纺是一种制备高性能碳纤维的优异的纺丝方法。

He boasts that he is one of the best shots in the country.

他自夸是该地最好的射手之一.

We were frightened at the terrible sight.

看到这可怕的景象,我们被吓呆了.

She stood aghast at the snake.

她被蛇吓呆了.

He stood aghast at the terrible sight.

他被眼前的可怕景象吓呆了.

Sinopec, China's largest oil refiner, is also a major service-station operator.

而中国最大的炼油企业中国石化同时也经营著大量加油站.

ExxonMobil is the world's leading oil and gas company.

埃克森美孚是世界领先的石油和石化公司,有着120多年的历史.

What distance can you throw the shot?

你铅球掷多远?

They tied for the third place in the shoot put.

他们在推铅球项目并列第三.