نتایج جستجو برای: liquid segments
تعداد نتایج: 281605 فیلتر نتایج به سال:
Chaotic features of the macro-instability (MI) of flow patterns in stirred tanks are studied in this paper. Datasets obtained by measuring the axial component of the fluid velocity and the tangential force affecting the baffles are used. Two geometrically identical, flat-bottomed cylindrical mixing tanks (diameter of 0.3m) stirred with either pitched blade turbine impellers or Rushton turbine i...
Hyphenating High Temperature High Performance Liquid Chromatography (HT-HPLC) with High Temperature Size Exclusion Chromatography (HT-SEC) (High Temperature Two Dimensional Liquid Chromatography (HT-HPLC x HT-SEC or HT 2D-LC)) leads to an isocratic elution in the second dimension, which in turn enables to use IR detector (quantitative detection) for monitoring the eluting polymers. Experimental...
Magnetic beads with ~1.9 µm average diameter were used to transport microliter volumes of liquids between contiguous liquid segments with a tube for the purpose of investigating phase change of those liquid segments. The magnetic beads were externally controlled using a magnet, allowing for the beads to bridge the air valve between the adjacent liquid segments. A hydrophobic coating was applied...
Although vibration monitoring is a popular method to monitor and assess dynamic structures, quantification of linearity or nonlinearity of the dynamic responses remains a challenging problem. We investigate the delay vector variance (DVV) method in this regard in a comprehensive manner to establish the degree to which a change in signal nonlinearity can be related to system nonlinearity and how...
in vitro propagation of plant has played a very important role in rapidmultiplication of cultivars with desirable traits and production of healthy and disease-free plants. in the present investigation, the objectives were to optimize the micropropagation of rose hybrid ‘black baccarat’ cultivar. in proliferation step, the nodal segments (1.5 cm) was cultured on both liquid and solid media (ms, ...
In vitro propagation of plant has played a very important role in rapidmultiplication of cultivars with desirable traits and production of healthy and disease-free plants. In the present investigation, the objectives were to optimize the micropropagation of Rose hybrid ‘Black Baccarat’ cultivar. In proliferation step, the nodal segments (1.5 cm) was cultured on both liquid and solid media (MS, ...
Abstract The number of mirror segments, geometry and orientation are essential parameters when assessing the beam-shaping capabilities deformable mirrors. Here, we use a Liquid Crystal on Silicon Spatial Light Modulator (LCoS-SLM) to mimic mechanical design quantitatively analyse effect segments their geometrical structure resulting structured modes. Our approach can be used as test bed prior d...
The latest progress in the design of water-cooled lithium–lead (WCLL) tritium extraction and removal (TER) system for European DEMO tokamak reactor is presented. implementation optimization conceptual TER are performed order to manage concentration LiPb ancillary systems, control chemistry, remove accumulated corrosion activated products (in particular, helium generated BB), store LiPb, empty B...
گیاه بعد از جمع آوری توسط گیاه شناس تأیید شد، سپس بخش هوایی آن خشک و پودر شده و عصاره تام متانولی آن به روش پرکولاسیون تهیه گردید. فراکسیون های اتردپترولی، کلروفرمی، اتیل استاتی، متانولی و آبی آن به ترتیب به روش liquid – liquid fractionation از عصاره تام تهیه شد. عصاره و فراکسیون های بدست آمده تغلیظ و در نهایت خشک شده و جهت بررسی اثر ضد باکتری در ظروف تمیز، تیره و در جای خنک نگهداری شدند. اثر ...
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