1) super density digital video disk
超密度DVD
2) high density DVD
高密度DVD
3) super high density
超高密度
1.
Considering the complicated situations such as uncertainly in strata pressure, high abnormal pressure coefficient, strata being easy to collapse, co-existence of well blowout and lost circulation etc, the article analyzes technical difficulties of drilling fluid with super high density, decides prescription of drilling fluid with density of over 2.
针对赤水官渡地区的地层压力规律性差,异常压力系数高,地层易垮塌、喷漏并存等复杂情况,分析了超高密度钻井液技术难点,在优选处理剂和控制合适的膨润土用量的基础上,确定了密度为2。
4) ultra-low density
超低密度
1.
According to the actual problems existed in two-stage cementing operations in low pressure leaking formations of low permeability gas field,using blast furnace slag(BFS),floating beads and combining advantages of universal (drilling) fluid (UF) cementing technique,slag cement slurry with ultra-low density of 1.
本文针对陕甘宁盆地中部低渗透天然气田低压易漏地层二级固井中存在的问题，利用高炉矿渣、漂珠的潜在活性及比重较小的特点，结合多功能钻井液固井技术的优点，用多功能钻井液设计超低密度（１２０ｇ／ｃｍ３～１４０ｇ／ｃｍ３）矿渣水泥浆。
2.
From 1999 to 2002,by combining plot experiments with field demonstration and apllying the research of controling multiple points and multiple factors(sowing time and sowing density),the results show that,if hybrid-rape is early sown with the effective cultivation of ultra-low density,the net profit is 328 715 yuan/hm~2 more than it is late sown with the cultivation of ultra-high density.
通过1999年-2002年田间小区试验与大田示范相结合,并采用多点和多因子(播期、密度)控制研究,试验与示范结果表明：杂交油菜采取早播超低密度高效栽培法比对照超高密度迟播法纯利润多328 715元/hm~2,增值率为708。
3.
A comparative study of sampling media for ultra-low density geochemical investigation was conducted in Jiayin area, a typical forest-swamp landscape area in central Heilongjiang.
黑龙江省中部的嘉荫地区为典型的森林沼泽景观,在该区进行了超低密度地球化学调查采样介质对比研究。
5) Hyper-density
超密度
6) ultra high density
超高密度
1.
Design of ultra high density and high count 2000 optical fiber cable for easy branching;
分线方便的超高密度大芯数2000芯光缆的设计
补充资料：超低密度聚乙烯
分子式：
CAS号：
性质：共聚单体含量高于20％的乙烯共聚物。密度0.87～0.90g/cm3者称超低密度聚乙烯。密度0.90～0.915g/cm3者称甚低密度聚乙烯(VLDPE)。结晶性低，其柔韧性、低模量、撕裂强度、耐穿刺性优于线性低密度聚乙烯，相当于醋酸乙烯含量4％～8％的乙烯-醋酸乙烯共聚物。但熔点和热变形温度比后者高，对聚乙烯和聚丙烯有极好的粘接性，密度0.90g/cm3。熔体指数0.8g/10min时，其拉伸强度30MPa，伸长率850％，弯曲弹性模量65MPa，拉伸冲击强度10.5J/m，熔点115℃，脆化温度<-75℃，耐环境应力开裂>2000h。采用低压气相法，溶液法、高压法由乙烯与α-烯烃共聚而成。用作代替乙烯-醋酸乙烯共聚物、软聚氯乙烯和某些弹性体用。用作食品及医药包装薄膜、容器衬里、地膜。
CAS号：
性质：共聚单体含量高于20％的乙烯共聚物。密度0.87～0.90g/cm3者称超低密度聚乙烯。密度0.90～0.915g/cm3者称甚低密度聚乙烯(VLDPE)。结晶性低，其柔韧性、低模量、撕裂强度、耐穿刺性优于线性低密度聚乙烯，相当于醋酸乙烯含量4％～8％的乙烯-醋酸乙烯共聚物。但熔点和热变形温度比后者高，对聚乙烯和聚丙烯有极好的粘接性，密度0.90g/cm3。熔体指数0.8g/10min时，其拉伸强度30MPa，伸长率850％，弯曲弹性模量65MPa，拉伸冲击强度10.5J/m，熔点115℃，脆化温度<-75℃，耐环境应力开裂>2000h。采用低压气相法，溶液法、高压法由乙烯与α-烯烃共聚而成。用作代替乙烯-醋酸乙烯共聚物、软聚氯乙烯和某些弹性体用。用作食品及医药包装薄膜、容器衬里、地膜。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条