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- The practical experiments showed that fiber spinnability was optimized when spinneret negative draw ratio was -73%. 工業(yè)化試驗表明:當噴絲頭負拉伸率為-73%25時(shí),纖維可紡性達到最佳狀態(tài)。
- The super molecular structure of UHMWPE fibers changes with the increasing draw ratio, which are measured by WAXD, DSC, SAXS and Raman spectroscopy. 用WAXD、DSC、SAXS及拉曼光譜等測試手段,研究了拉伸過(guò)程中UHMWPE纖維的超分子結構變化。
- By adjusting the temperature, draw ratio, D/R and design-finalized parameters, the optimal processing parameters were found. 通過(guò)對熱箱溫度、拉伸比、拉伸倍數及熱定型等工藝參數的調整,確定了最佳的生產(chǎn)工藝參數。
- Effects of draw ratio,modification through blending and surface treatment with chemical reagents on the ad-hesion and tenacity of UHMW-PE fiber were preliminarily investigated. 初步研究了拉伸倍率、共混改性、化學(xué)試劑表面處理對超高分子量聚乙烯（UHMW-PE）纖維粘接性和強度的影響。
- Foundation Demand Related dimension as pad-mounted transformers overall drawing. 組合式變壓器安裝基礎要求
- Using NaSCN as solvent,acrylic fiber was produced by one-step wet spinning process.The effect of spinneret negative draw ratio on fiber formation was discussed. 采用硫氰酸鈉為溶劑,濕紡一步法工藝生產(chǎn)腈綸,探討了噴絲頭負拉伸率對纖維成形的影響。
- When the draw ratio was 7, the friction coefficient and the wear rate along the draw direction was lower than that of undrawn PTFE by about 15% and 40%, respectively. 2. 拉伸比為7的PTFE沿拉伸方向的摩擦系數和磨損分別降低15%25和40%25。
- Through studying the overall drawing plan of the Lhasa railway district, a plan of overall drawing, positions of the key buildings and yards are put forward in this paper. 對拉薩鐵路地區總圖規劃研究,提出了總圖規劃方案,主要站段位置的構想,并對近期工程的實(shí)施方案作了簡(jiǎn)要的論述。
- The axial drawing ratio and hoop extension ratio should be properly matched. 軸向拉伸比和環(huán)向擴張比要合理匹配。
- The process parameters including heat-plate temperature, heat-plate draw ratio of stretcher, speed of stretcher and crimper pressure of stretcher have important effect on bulky top shrinkage. 拉斷機的熱牽伸倍數、電熱板溫度、制條速度和出條卷曲壓力也對成品毛條汽蒸收縮率有重要影響。
- The results showed that reducing melt viscosity fluctation,increaing draw ratio and circular blow filter sieve area,adjustment colletion tow angle could decrease the linear density uneveness. 結果表明減小熔體粘度波動(dòng)、提高拉伸倍數、加大環(huán)吹濾網(wǎng)進(jìn)風(fēng)面積和調整集束絲束轉角可降低線(xiàn)密度不勻率
- He tried to varnish over the truth with a lie. 他試圖用謊言來(lái)掩蓋真相。
- I've got the hump over what he said to me. 我已經(jīng)對他所說(shuō)的很不耐煩了。
- She threw a scarf over her shoulders. 她在肩上披上一塊肩巾。
- The boat heeled over in a strong wind. 船在強風(fēng)吹襲下傾側了。
- While polyester fiber is subject to different draw ratio and heating temperature during high speed spin-fling, its original molecular orientation and crystallinity of polyester fiber are changed. 摘要聚酯在高速紡絲過(guò)程中，施以不同的拉伸倍數與溫度，會(huì )造成纖維結晶度與取向度的變化，從而影響纖維的物理性能。
- The stability of Nylon 66 technical yarn properties was obtained by adjusting of spin-fling viscosity, draw ratio, take-up tension and godet temperature.The CPK index of 1.33 was achieved. 通過(guò)調整紡絲黏度、紡絲拉伸比、卷繞張力、拉伸輥溫度等對尼龍66工業(yè)絲物理性能的穩定起到很重要的作用，尤其是使其均勻性提高，三項主要物性指標工序能力控制指數(CPK)達到1級以上。
- They all cooed over the new baby. 他們對著(zhù)新生嬰兒愛(ài)撫地輕聲細語(yǔ)。
- The stability of Nylon 66 technical yarn properties was obtained by adjusting of spinning viscosity, draw ratio, take-up tension and godet temperature.The CPK index of 1.33 was achieved. 通過(guò)調整紡絲黏度、紡絲拉伸比、卷繞張力、拉伸輥溫度等可以對尼龍66工業(yè)絲物理性能的穩定起到很重要的作用,尤其是可以使其均勻性提高,三項主要物性指標工序能力控制指數(CPK)達到1級以上。
- The dog kept a vigilant guard over the house. 這只狗警惕地守護著(zhù)這所房屋。
