• No results found

Reduced pressure

Laminar burning velocity and flammability characteristics of biogas in spark ignited premix combustion at reduced pressure

Laminar burning velocity and flammability characteristics of biogas in spark ignited premix combustion at reduced pressure

... constant pressure are employed to measure the laminar burning velocity and flammability characteristics as mixture function of the mixture ...high pressure fan-stirred ...at reduced pressure ...

9

SiGeSn growth studies using reduced pressure chemical vapor deposition towards optoelectronic applications

SiGeSn growth studies using reduced pressure chemical vapor deposition towards optoelectronic applications

... In this contribution, we propose a laser concept based on a double heterostructure consisting of tensile strained Ge as the active medium and SiGeSn ternaries as cladding layers. Electronic band-structure calculations ...

19

Room Temperature and Reduced Pressure Chemical Vapor Deposition of Silicon  Carbide on Various Materials Surface

Room Temperature and Reduced Pressure Chemical Vapor Deposition of Silicon Carbide on Various Materials Surface

... At room temperature, 300 K, silicon carbide film was formed using monomethylsilane gas on the reactive surface prepared using argon plasma. Entire process was performed at reduced pressure of 10 Pa in the ...

8

SiGeSn growth studies using reduced pressure chemical vapor deposition towards optoelectronic applications

SiGeSn growth studies using reduced pressure chemical vapor deposition towards optoelectronic applications

... In this contribution, we propose a laser concept based on a double heterostructure consisting of tensile strained Ge as the active medium and SiGeSn ternaries as cladding layers. Electronic band-structure calculations ...

19

Vent burst pressure effects on vented gas explosion reduced pressure

Vent burst pressure effects on vented gas explosion reduced pressure

... A small cylindrical vessel was used, 10 litres volume (0.00948m 3 , L=0.460m, D=0.162m and L/D= 2.8), as shown in Figure 1. Bartknecht (1993) recommended that his vent design procedure was valid up to an L/D of 2. The ...

21

Germanium tin silicon epitaxial structures grown on silicon by reduced pressure chemical vapour deposition

Germanium tin silicon epitaxial structures grown on silicon by reduced pressure chemical vapour deposition

... 2 Theoretical and Background Discussion In this chapter the background knowledge regarding semiconducting crystalline germanium-tin alloys and silicon-germanium-tin-alloys relevant to th[r] ...

211

High-Resolution Terahertz Spectroscopy of Water
Vapor with Different Humidity Levels under Normal
Atmospheric Conditions and in a Vapor-Liquid
Coexistence at Reduced Pressure

High-Resolution Terahertz Spectroscopy of Water Vapor with Different Humidity Levels under Normal Atmospheric Conditions and in a Vapor-Liquid Coexistence at Reduced Pressure

... transitions of water. The peaks shown by solid triangles (▲) are attributed to the rotational energy state transition lines of ethanol gas. The absorption spectrum around 2.46 THz was measured with a fine frequency step ...

5

Reactions between refactories and steel melts under reduced pressure

Reactions between refactories and steel melts under reduced pressure

... alumina sheath was f i r s t broken and recem ented a t a p o s i t i o n about 3,f from the t i p . This allo w ed thermal ex p a n sio n to take p la c e w ithou t fu r th e r cra ck in g and the danger o f m etal p e ...

430

Entrainment of non volatile solids in sublimation at reduced pressure

Entrainment of non volatile solids in sublimation at reduced pressure

... system pressure is effective in reducing entrainment at a given mass rate of ...given pressure by sublimation at lower ...vapor pressure of ammonium chloride is equal to the system ...

72

N-HETEROCYCLIC CARBENES:  FROM DESIGN TO SYNTHESIS AND THEIR APPLICATION AS  NUCLEOPHILIC CATALYSTS

N-HETEROCYCLIC CARBENES: FROM DESIGN TO SYNTHESIS AND THEIR APPLICATION AS NUCLEOPHILIC CATALYSTS

... The solution was allowed to cool to ambient temperature and the solvent removed under reduced pressure to afford a crude orange solid. The[r] ...

429

Directing Structure and Reactivity in Synthetic Uranium Complexes

Directing Structure and Reactivity in Synthetic Uranium Complexes

... 0.09 mmol, 1.0 equiv) cooled to –21 °C, N-methylmorpholine-N-oxide (11 mg, 0.09 mmol, 1.1 equiv) was added, causing and immediate color change to dark red. After stirring 30 minutes, the mixture was filtered through ...

422

Novel Photochromic Crown Ethers for Incorporation into [2]Pseudorotaxanes

Novel Photochromic Crown Ethers for Incorporation into [2]Pseudorotaxanes

... 5 M) was added to the reaction flask and the mixture stirred vigorously at 60°C for 72 h. The mixture turns dark blue upon addition of base and was cooled to room temperature after the reaction period. Water (15 mL) was ...

113

Air entrainment in dynamic wetting : Knudsen effects and the influence of ambient air pressure

Air entrainment in dynamic wetting : Knudsen effects and the influence of ambient air pressure

... ambient pressure reductions increas- ing the gas’ mean free path and hence the Knudsen number ...at reduced pressures can substantially delay air en- trainment, ...the pressure is reduced only ...

33

Synthesis and Development of Potential CB1 Receptor Neutral Antagonists

Synthesis and Development of Potential CB1 Receptor Neutral Antagonists

... 4-Chlorophenyl magnesium bromide (5.56 mL, 1 M in THF, 1eq) was syringed into a flask under nitrogen. A catalytic amount of CuI (0.005 g, 0.026 mmol) and 3,4-dichlorobenzaldehyde (4.0 g, 0.023 mol, 1eq), dissolved in ...

61

Hydraulic Model Calibration of Pressure Reduced Zones with Multiple Input Valves

Hydraulic Model Calibration of Pressure Reduced Zones with Multiple Input Valves

... The pressure in drinking water distribution systems are usually in between ...sufficient pressure, but still so high that could damage the consumers’ domestic system or ...form ...

8

A novel approach to steganone analogues via metal-mediated cyclisations

A novel approach to steganone analogues via metal-mediated cyclisations

... (96 g, 551 mmol) and ethyl formate (62 g, 837 mmol) in ether (1 L). Ethanol (1 mL) was added, and the mixture was stirred at ambient temperature for 18 h. The mixture became extremely viscous, and mechanical stirring was ...

259

Analysis of the pressure at a vertical barrier due to extreme wave run up over variable bathymetry

Analysis of the pressure at a vertical barrier due to extreme wave run up over variable bathymetry

... The pressure load at a vertical barrier caused by extreme wave run-up is analysed numerically, using the conformal mapping method to solve the two-dimensional free surface Euler equations in a pseudo- spectral ...

8

EPR spectroscopic and synthetic aspects of thiyl radical chemistry

EPR spectroscopic and synthetic aspects of thiyl radical chemistry

... The procedure for the preparation of the methylenecyclopropane 5 as described by Singleton et al. involves heating a mixture of 1,1-dimethylallene 33 (1.39 g, 20 mmol), dimethyl diazomalonate 32 (0.74 g, 4.7 mmol) and a ...

271

Augmented β2-adrenergic signaling dampens the neuroinflammatory response following ischemic stroke and increases stroke size

Augmented β2-adrenergic signaling dampens the neuroinflammatory response following ischemic stroke and increases stroke size

... be reduced with norepinephrine ad- ministration ...blood pressure reduction by clenbuterol was responsible for the increased stroke size independent of clenbuterol-induced changes in ...

18

Genotype x management interaction for nutrient use efficiency (NUE) of maize varieties tested under different tillage and fertilization regimes

Genotype x management interaction for nutrient use efficiency (NUE) of maize varieties tested under different tillage and fertilization regimes

... Summary: Reduced tillage resulted in higher weed pressure, reduced chlorophyll and N content, but similar dry matter yield, net energy and nutrient use efficiency Yield increased signifi[r] ...

24

Show all 10000 documents...

Related subjects