失重

那些宇航员正在进行一系列实验，以更多地了解身体如何适应失重状态。

The astronauts are conducting a series of experiments to learn more about how the body adapts to weightlessness

模拟失重膳食Fe摄入及血清蛋白含量的变化

Changes of Fe in diet intakes and serum proteins in weightlessness simulation

宇航员在失重的条件下工作。

Astronauts work in weightless conditions .

海伦描述了她身处太空时失重状态下的生活。

Helen described life in a weightless environment during her period in space .

飞行时间越长，这个强度要逐渐增大，只有这样才能够维持他们对抗失重的生理效应。

The intensity will gradually increase as their time in space progresses . It is only in this way that they can resist the physiological effects of microgravity .

结果模拟失重大鼠的牙体组织Ca的相对百分含量明显下降，P稍升高；

Result In the suspension group , the relative percentage content of Ca declined significantly , while P increased slightly .

在热处理过程中，TiO2纳米粉体的失重率达到38%。

Loss-weight rate of TiO 2 powder reaches 38 % in heat-treatment course .

利用XRD、热失重分析来表征阳极材料的化学组成和形态。

XRD and TGA were used to characterize the chemical composition and morphology of these anode materials .

用TG研究了无洗涤的样品的热失重情况，结果表明：样品的最大失重率达到92%左右，样品在250℃左右时失重率最快。

The results showed that the biggest ratio of weight loss was about 92 % .

将Ni纳米线阵列膜浸在不同腐蚀液中，计算一定时间后的失重率，进而发现其在酸、碱、盐腐蚀液中的耐蚀性；

Fourthly , Ni nanowires array membrane is dipped in different corrosive solution in order to find its anticorrosion property .

旋转成型PP／CMC体系的热失重行为和成膜行为研究

Study on Film Formation and Thermal Stability of PP / CMC Aqueous Slurry for Rotational Moulding

用透射电镜（TEM）、粉末X-ray衍射（XRD）分析、热失重（TGA）分析等手段对其晶体形貌、结构进行了研究。

The crystalline structure was investigated by transmission electron micrographs ( TEM )? X-ray diffraction and thermogravimetric analysis .

影响羊毛失重率的因素从大到小依次为处理时间、pH值、温度和酶浓度。

The factors influencing the weight loss of wool , from big to small , are treating time , pH value , temperature and the concentration .

介绍了基于工控机、工业控制板卡、智能仪表、传感器等硬件及VISUALBASIC60、Access等设计软件研制失重秤配料自动控制系统。

The system has been accomplished upon hardware such as industrial controller , industrial control card , intelligent instrument , sensor and software such as Visual Basic 6.0 and Access .

质量流量计与失重式给料器在PTA计量控制中的对比

Compare of mass flow meter and loss in feed in the metering control of PTA

方法大鼠被随机分为模拟失重组（SUS）与同步对照组（CON），采用尾部悬吊大鼠模型模拟失重影响。

Method Rats were divided into simulated microgravity group and synchronous control group .

用热重法（TG）分析了紫外光辐射固化漆膜在空气气氛下热失重的过程。

The thermal degradation process of the Varnish film cured by UV radiation was analyzed with TG method in air atmosphere .

本文采用单步一级反应动力学模拟了废轮胎的热解动力学特性，并与废轮胎的失重试验结果进行了比较，确定了热解动力学参数E、A。

The results of the simulation are compared with the experimental results , which imply that the model can indicate the characteristics of the waste tyre pyrolysis dynamics .

研究了低含量的钴对镍合金镀层结构和性能的影响，通过扫描电镜观察了镀层形貌、X射线衍射仪测量了镀层内应力，并用电化学极化曲线和腐蚀失重方法分析了镀层的耐蚀性。

Effect of different amount of cobalt on nickel alloy electroplating was investigated by means of SEM , XRD , electrochemical polarization curve and corrosion weight loss methods .

DSC、甲基紫试验和失重试验研究了高燃速推进剂的热安定性。

The thermal stability of high burning rate propellant is studied by DSC , methyl violet test and weight loss test .

对所合成的PHB／PET／HQ－TPA三元液晶共聚酯样品进行了热失重曲线测试。

The thermal gravimetric curves were determined for the synthesized liquid crystalline aromatic copolyester PHB / PET / HQ TPA .

而PBT的降解失重过程仅为一个阶段，为一级反应。

In contrast , PBT gave only one stage of degradation as a first order reaction .

模拟失重对骨形态发生蛋白2（BMP-2）诱导的ROS17/2.8细胞中ERK活性的影响

Effects of Simulated Weightlessness on Activity of ERK Induced by BMP-2 in ROS17 / 2.8 Cells

静态热老化试验、脱氯化氢试验、红外及热失重分析结果表明，钙锌皂单独使用时，其热稳定性很差；加入水滑石后，PVC的长期热稳定性得到明显的改善。

The results of static thermal aging method , dehydrochlorination method and FT-IR analysis showed that the thermal stabilization of single Ca / Zn soap was very poor .

用测定样品的特性粘度降低、端羧基含量增加和热氧化失重三种方法对不同催化体系合成的两种PET样品进行了热氧化降解的动力学研究。

Kinetic study of thermo-oxidative degradation for two PET samples are carried out by three methods , i.e. intrinsic viscosity degreasing , carboxy end group increasing and thermal weight loss .

低温可以明显的降低失重率，抑制呼吸作用，降低PPO活性，减轻酶促褐变。

Low temperature can significantly reduce the weightlessness rate , control breathing function , reduce PPO activity , reduce enzymatic Browning .

矿样可在石英材料或Mx材料的坩埚容器进行微波处理，二者失重率的相互差异并不大。

Ore samples can be placed in crucible container from quartz material or Mx materials when microwave treatment .

目的通过测量Rho连接激酶（Rhoassociatedkinase，ROK）蛋白的含量来研究其在模拟失重大鼠股动脉收缩中可能发挥的作用。

Objective To determine the role of Rho associated kinase ( ROK ) in contraction of femoral artery from rats underwent tail suspension .

用差热扫描仪（DSC）、热失重（TG）、红外光谱研究了材料的热性能、流变性能和分子结构。

The thermal property , rheology properties and molecular structure of poly β hydroxybutyrate ( PHB ) were studied by means of DSC , TG and IR spectrum .

目的观察模拟失重4周大鼠心肌细胞动作电位（AP）的改变，并进一步阐明其离子机理。

Objective To observe the changes of action potentials ( AP ) of cardiac myocytes from 4 wk tail suspended rats , and elucidate its related ionic mechanisms .