Efficacy and Safety of Different Density of Levobupivacaine for Combined Spinal and Epidural Anesthesia in Elder Patients
不同比重左旋布比卡因在高龄患者腰麻-硬膜外联合麻醉中的比较研究
The paper analyzed influence of temperature upon metatitanic acid density and has found a correction method for densitomeler using re-gression equation of temperature and density,they determined and verified the empirical constant for conversion equation of the slurry demsity and concentration with physical and chemical method.
分析了温度对偏钛酸比重的影响规律,找出利用温度和比重的回归方程校准比重计的方法,同时利用物理和化学方法,确定和验证了浆料比重与其浓度换算规律的经验常数,结果令人满意。
31DH suspend in the dry red wine and ferment,the density of the dry immobilized 31DH was changed by various materials.
通过选用不同的材料调节干固菌胶粒的比重,使固定化酒类酒球菌31DH悬浮于干红葡萄酒中进行苹果酸—乳酸发酵,并测定这些材料对固定化胶粒相对扩散系数的影响。
Significance,Principle and Measures of Expanding Proportion of Medium-paid People;
浅析扩大中等收入者比重的意义、原则与措施
Whether the Proportion of Tertiary Industry in GDP Should Go Up Every Year in China?
我国第三产业比重是否应该逐年上升?
The paper introduces the influence of mud proportion on the excavated hole, the hole cleamng of the cast-in-place and concreting.
介绍了泥浆比重对钻孔灌注桩成孔、清孔及混凝土灌注的影响 ,并提出相应的技术措施。
hydrometer of constant immersion
变浮比重计浮比重计
pycnometer test
液体比重计测定比重
A hydrometer for measuring the specific gravity of urine.
尿比重计衡量尿的比重的液体比重计
A hydrometer used to determine the specific gravity of acid solutions.
酸液比重计用来测定酸液比重的液体比重计
gravity battery
比重液电池，重力电池
Hydrometer: An instrument used for measuring the specific gravity of a liquid or solution.
比重计:量度液体或溶液的比重的仪器。
An instrument used to measure specific gravity.
比重计用于测量比重的仪器
Comparison between intrathecal hypobaric bupivacaine and hyperbaric bupivacaine for caesarean section
轻比重与重比重布比卡因腰麻在剖宫产术中的作用比较
Edmond's balance
爱德蒙气体比重天平
Ostwald graviometer
奥斯特瓦尔德比重计
Lipkin bicapillary pycnometer
利普金双毛细管比重计
weights and ranks of information items
资料项目的比重和等级
pumping temperature
泵送温度下的液体比重
testing method for specific gravity of artificial abrasives
人造磨料比重测定方法
medium density particle board
中密度碎料板-比重０．６－０．８
an instrument for determining density or specific gravity.
测量比重或密度的仪器。
He outweighs me by ten pounds.
他比我重10 磅。
The ratio of mixing is : Component A∶Component B(wt.)=10∶1.
配比比例：（重量比）甲组份∶乙组份=10∶1。