PROBLEM TO BE SOLVED: To provide a pressure type ozone dissolution treatment apparatus which can prepare ozone water of a high dissolved ozone concentration with a simple configuration of the apparatus, produces less waste ozone and achieves a high treatment efficiency by e.g. a water purification...
Preparation of polymer solutions Polymer solutions in BuAc were prepared by direct dissolution of specified amounts of polymer in BuAc. The bottle containing the polymer and BuAc was placed in an oven at 60 1C for about 8 h to dissolve the polymer. The bottle containing the polymer solution ...
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The content was shaken for a full dissolution of the samples and left to stand until complete separation of the layers; afterwards, equal volumes (1 mL) of upper and lower phases were taken, evaporated to dryness, re-dissolved in 1 mL methanol and analyzed by HPLC-DAD. Next, the chosen ...
溶出仪(Dissolution Test Apparatus)是一种用于测定药物缓释剂量形式的相关测试的仪器,主要用于评价药物的释放速率和体内生物利用度。溶出仪由样品舱、测定位、旋转篮、提取系统、温控系统、超声波等板部件组成。 相较于液相色谱仪,溶出仪较为简单,其操作和维护相对容易。其优点是可靠性较...
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and thereby the body fluid around the positive electrode shifts to an acid. The nickel on the outer surface easily dissolves under an acid environment, thereby the dissolution of the exposed stainless steel by corrosion reaction result in that the body fluid further shifts to a strong acid side...
[26]. The ATII cells provide support to the alveolar epithelium by acting as a progenitor to ATI cells during development and repair. In addition, they produce and recycle pulmonary surfactant, a lipid-rich fluid that helps to regulate surface tension in the lung and promote dissolution of ...
Dissolution temp. range 60~100ºC(programmable) Temp. holding range 40~60ºC(programmable) Power supply 110/220V, 50/60Hz 220V, 50/60Hz 380V, 50Hz Power consumption 4.4KW 4.7KW 5.2KW 5.2KW 6KW SS basket 1 pc 2pcs 2pcs 3pcs 3 pcs 4pcs External size(mm) 550...
3, which reflects higher resistance to cracking. It was reported in earlier work [22] that transgranular cracking mode is an indication of an active dissolution cracking mechanism where at first, the passive film is broken by the applied stress, then the attack of the deleterious environment on...