1)  low density
低密
2)  low density
低密度
1.
Application of low density cement slurry in Jidong Oilfield;
低密度水泥浆在冀东油田的应用
2.
The application of washing and well killing technology using low density foamy liquid;
低密度泡沫液洗压井技术分析
3.
Research on the production process of extruded plate with low density from free foamed RPVC;
RPVC低密度自由发泡挤出板材生产工艺探讨
3)  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(120g/cm3~140g/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。
4)  Very Low Density
特低密度
5)  low density body
低密度体
1.
Simucltaneously it is certified that the low density body generally exists on the crust of Sichuan, Shanxi and Hubei area.
同时还得出:在川陕鄂地区的地壳中普遍存在低密度体,该低密度体可能是麻粒岩受压后析出自由水发生破碎所致。
6)  very low density
极低密度
1.
Objective To investigate the effect of native and oxidized very low density lipoprotein (n-VLDL, ox-VLDL) on the expression of VCAM-1 in the cultured human umbilical vein endothelial cells (HUVEC).
目的 探讨天然和氧化极低密度脂蛋白 (n VLDL ,ox VLDL)对培养的人脐静脉内皮细胞 (HUVEC)表达血管细胞粘附分子 1(VCAM 1)的影响。
参考词条
补充资料:低密
1.低垂浓密。 2.犀角的异名。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。