The effect of determining precision of blank test to the ferrous iron in chromite;
空白试验对铬铁矿中亚铁测定准确度的影响初探
Through analysis on influence factors in determination of COD_(Cr) blank value, the results show that the quality of H_2SO_4 has a great impact on determinating blank value.
对CODCr测定中空白试验值的影响因素进行了探讨,结果表明,实验中的硫酸质量对测定影响最大。
Some important factors, effecting determination of blank value of ammoniacal nitrogen by reagent colorimetric method.
讨论了影响纳氏试剂比色法测氨氮空白试验值的几个重要因素 ,提出了降低空白试验值的方
blanket experiment
空白试验试验过程中穿插的无意义的试验
TAAM (Testing Air-to-Air Missile)
试验性“空对空”导弹
The First Electric Test-bed for Catenary Accessory in Our Country was Born!
接触网零件电气试验台研制成功，填补了国内无专业试验设备的空白。
Experience Personallies from the Blank--to Tang Poem Hollowness Viewpoint;
从空白中体验——浅议唐诗中的空白艺术
Resistance to gopher：The protection radio of the cable is more than 95％in two-week’s test by comparing the original cable.
电缆具有防鼠咬性能．通过与空白试样对比．经过连续两周试验．试样保护率≥95％。
E/ R air drier to be done function test and alarm test.
机舱空气干燥器效用试验及报警试验。
Ref. Freon piping to be done air-tightness test and vacuum test.
冷藏氟利昂管系密性试验和真空试验。
magnetostriction cavitation corrosion test
磁致伸缩空泡腐蚀试验
magnetostriction cavitation damage test
磁致伸缩空泡破坏试验
SHAPE (Supersonic High Altitude Parachute Experiment)
超音速高空降落伞试验
motor test vehicle
发动机空中试验飞行器
aerospace medical test device
航空航天医学试验设备
testing military space equipment
试验性军用空间设备
Accommodation air-condition Freon piping to be done air-tightness and vacuum test.
房舱空调氟利昂管系密性试验和真空试验。
testing method for bleach requirement of pulp
纸浆漂白性试验方法
plasma protamine paracoagulation
血浆鱼精蛋白副凝试验
testing method for whiteness of white portland cement
普通水泥白度试验方法
Analysis methods of white soft sugar
GB/T1445.2-1991绵白糖试验方法