When R 12 TAC and SDS are mixed in equal mole ratio,the binary surfactant aqueous solution presents a good foam character,for example,the foaming parameters C s and R m v are 1.99 mmol/L and 0.86,the foam stability parameters c t and t 1/2 m are 2.50 mmol/L and 91.5 s,respectively.
Crystals are SiO2,Al2SiO5 and Na2Ca2(SiO3)3 with average bubble diameter 2.039mm,density 0.65 g/cm3,thermal expansion coefficient 115.6×10-7/℃,compression strength 7.31MPa and bending strength 5.83Mpa under temperature of 725℃ and holding time 25min.
Crystals are SiO_2, Al_2SiO_5 and Na_2Ca_2(SiO_3)_3 with average bubble diameter 2.039mm,density 0.65g/cm~3, thermal expansion coefficient 115.6×10~-7/℃,compression strength 7.31MPa and bending strength 5.83MPa under temperature of 725℃ and holding time 25min.
Crystals are SiO2 Al2SiO5 and Na2Ca2(SiO3)3 with average bubble diameter 2.039mm density 0.65g/cm3 thermal expansion coefficient 115.6×10-7/℃ compression strength 7.31 MPa and bending strength 5.83 MPa under temperature of 725 ℃ and holding time 25 min.
the ratio of sustained filtration bubble of TS group at 7d, 1, 6, 12 and 24mo were 195/197, 113/152, 60/137, 47/62 and 33/46 respectively, while those of NPTS group were 25/25, 17/23, 12/19, 5/9 and 5/9 respectively.
Experimentai results show that high quality 3μ bubble films can be obtained with proper selection of the molar ratio of Lu_2O_3/Sm_2 O_3 and CaO/CaO + GeO_2·The temperature stability of the small bubble material can be greatly improved with the substitution of Gd~(3+) ions.
Brain-specific Na+-dependent inorganic phosphate transporter (BNPI) is one of vesicular glutamate transporters, and has been named as vesicle glutamate transporter of type 1 (VGluTl). Some recent researches have indicated that VGluTl was distributed not in the presynaptic vesicular membrane of symmetrical synapses but in the presynaptic vesicular membrane of most asymmetrical synapses.
脑内特殊的Na~+依赖的无机磷酸转运体(brain-specific Na~+-dependent inorganic phosphate transporter,BNPI)是一种囊泡膜谷氨酸转运体，已被命名为Ⅰ型囊泡膜谷氨酸转运体(vesicle glutamate transporter of type 1，VGluT1)。
Experimental studies on the axial crash behavior of aluminum foam-filled hat sections
Drop hammer tests were carried out to study the axial crash behavior of aluminum foam-filled hat sections.
First, the axial crash tests of the empty hat sections, aluminum foam and the aluminum foam-filled hat sections were carried out; then, based upon the test results, the axial crash behavior of the aluminum foam-filled hat sections were analyzed.
It was found that aluminum foam filling can increase the energy absorption capacities of the hat sections.
Compared with the non-filled structures, aluminum foam-filled structures were much more stable and needed less mass to absorb the specified energy.
It produced no air bubble in the adhesives layer under the condition of no vacuum environment, and ensures the assembly dislocation ?0.
This paper attempted to numerically analyze the action process based on damage mechanics when a jet created by bubble collapse acted on the bearing surface in the process of cavitation erosion.
An effective medium method is developed for the slightly compressible elastic media permeated with air-filled bubbles, according to the nonlinear oscillation of the bubble, which happens when compressional wave travels through the porous media.
Two flow regimes were discovered by measuring flow rate vof water through thin capillaries containing small gas bubble.
The longer the bubble, the greater this contribution.
In the climactic period, several cortical alveoli were inosculated into a big vesicle and released intensely.
Production of modified ISCOMs through incorporation of these glycolipids into the vesicle instead of the glycolipid component was demonstrated.
Gαi protein was chiefly localized in the plasma membrane of immature oocytes; 1-methyladenine induced redistribution of the αi protein from the plasma membrane to intracellular structure up to the breakdown of the germinal vesicle.
We studied the actin cytoskeleton state in Asterias amurensis oocytes within 30 min after the 1-methyladenine-induced maturation until the germinal vesicle breakdown.
The breakdown of the oocyte germ vesicle occurs in the gonad.