نتایج جستجو برای: pressure technique

تعداد نتایج: 996044  

Journal: :Plant physiology 1988
J K Ortega R G Keanini K J Manica

The growth equation for the rate of water uptake is augmented with a transpiration term. The obtained augmented growth equations are used to develop methodology which employs the pressure probe to measure transpiration rates from single plant cells. Experiments are conducted on the sporangiophores of Phycomyces blakesleeanus to demonstrate this technique.

2015
Masayuki Anyoji Daju Numata Hiroki Nagai Keisuke Asai

ABSTRACT A low-density wind tunnel called the Mars wind tunnel, has been developed at Tohoku University that can produce a high subsonic flow at low pressures for aerodynamic measurements of low-Reynolds-number aircraft wings aimed at developing aircraft applicable to the atmosphere on the planet Mars. Accurate surface pressure measurements on the wing are essential for analysis of not only aer...

2017
Meir Nitzan Itzchak Slotki Linda Shavit

The commonly used techniques for systolic blood pressure (SBP) and diastolic blood pressure (DBP) measurement are the auscultatory Korotkoff-based sphygmomanometry and oscillometry. The former technique is relatively accurate but is limited to a physician's office because its automatic variant is subject to noise artifacts. Consequently, the Korotkoff-based measurement overestimates the blood p...

Journal: :Biochimica et biophysica acta 2002
Sarah Perrett Jun Mei Zhou

The fundamental principles derived from in vitro protein folding experiments have practical application in understanding the pathology of diseases of protein misfolding and for the development of industrial processes to produce proteins as pharmaceuticals and biotechnological reagents. High pressure as a tool to denature or disaggregate proteins offers a number of unique advantages. The emphasi...

Journal: :Circulation research 1976
R A Brace A C Guyton

We measured isogravimetric capillary pressure (Pci) and plasma colloid osmotic pressure (pip) in isolated dog hindlimbs. A very rapid isolation technique and a perfusion technique involving no weight change were developed in order to compare the effects of different isolation procedures. Also, a "previous isolation procedure" (PIP) was used to approximate isolation procedures previously reporte...

Journal: :Journal of personality and social psychology 1966
J L Freedman S C Fraser

2 experiments were conducted to test the proposition that once someone has agreed to a small request he is more likely to comply with a larger request. The 1st study demonstrated this effect when the same person made both requests. The 2nd study extended this to the situation in which different people made the 2 requests. Several experimental groups were run in an effort to explain these result...

Journal: :The Review of scientific instruments 2013
C R Rotundu T Ćuk R L Greene Z-X Shen Russell J Hemley V V Struzhkin

Diamond anvil cell techniques are now well established and powerful methods for measuring materials properties to very high pressure. However, high pressure resistivity measurements are challenging because the electrical contacts attached to the sample have to survive to extreme stress conditions. Until recently, experiments in a diamond anvil cell were mostly limited to non-hydrostatic or quas...

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