Results 71 to 80 of about 718,630 (186)

Micro- vs. macro-phase separation in binary blends of poly(styrene)-poly(isoprene) and poly(isoprene)-poly(ethylene oxide) diblock copolymers [PDF]

open access: yes, 2001
In this paper we present an experimentally determined phase diagram of binary blends of the diblock copolymers poly(styrene)-poly(isoprene) and poly(isoprene)-poly(ethylene oxide). At high temperatures, the blends form an isotropic mixture. Upon lowering
A. J Ryan   +12 more
core   +1 more source

Accelerate Mass Transport of Proton and Carbon Sources by Super‐Hygroscopic and Porous Nanosheets for Continuous CO2‐To‐Ethylene Upgrade

open access: yesAdvanced Science
Gas‐water/catalyst triple‐phase interface and the microenvironment play critical roles in the reaction kinetics and production rate of electrochemical carbon dioxide reduction reactions (CO2RR), which steer concerted proton‐electron transfer steps ...
Silong Dong   +14 more
doaj   +1 more source

Emission Ratios for Ammonia and Formic Acid and Observations of Peroxy Acetyl Nitrate (PAN) and Ethylene in Biomass Burning Smoke as Seen by the Tropospheric Emission Spectrometer (TES)

open access: yesAtmosphere, 2011
We use the Tropospheric Emission Spectrometer (TES) aboard the NASA Aura satellite to determine the concentrations of the trace gases ammonia (NH3) and formic acid (HCOOH) within boreal biomass burning plumes, and present the first detection of peroxy ...
Vivienne H. Payne   +4 more
doaj   +1 more source

The plant hormone ethylene restricts Arabidopsis growth via the epidermis [PDF]

open access: yes, 2018
The gaseous hormone ethylene plays a key role in plant growth and development, and it is a major regulator of stress responses. It inhibits vegetative growth by restricting cell elongation, mainly through cross-talk with auxins.
Du, Yun-Long   +6 more
core   +3 more sources

Mitigating Green Oil Deactivation in Acetylene Hydrogenation Using Carbon‐Supported Pd Catalysts

open access: yesAdvanced Energy & Sustainability Research
This study investigates the mitigation of green oil deactivation in acetylene hydrogenation using carbon‐supported Pd catalysts. Various carbon supports including CMK‐3, short CMK‐3, activated carbon, graphite, mesoporous carbon, graphite nanofiber, and ...
Seokyoung Hwang   +7 more
doaj   +1 more source

Ethylene-Triggered Rice Root System Architecture Adaptation Response to Soil Compaction

open access: yesAgriculture
Soil compaction is a major constraint on global agriculture productivity. It disrupts soil structure, reduces soil porosity and fertility, and increases mechanical impedance, thereby restricting root growth and crop yield.
Yuxiang Li   +5 more
doaj   +1 more source

The mechanism of ethylene signaling induced by endophytic fungus Gilmaniella sp. AL12 mediating sesquiterpenoids biosynthesis in Atractylodes lancea

open access: yesFrontiers in Plant Science, 2016
Ethylene, the first known gaseous phytohormone, is involved in plant growth, development as well as responses to environmental signals. However, limited information is available on the role of ethylene in endophytic fungi induced secondary metabolites ...
Jie eYuan   +3 more
doaj   +1 more source

Onion gene expression in response to ethylene and 1-MCP [PDF]

open access: yes
Onion is regarded as a non-climacteric vegetable. In onions, however, ethylene can suppress sprouting while the ethylene binding inhibitor, 1-MCP (1- methylcyclopropene) can also suppress sprout growth yet, it is unknown how ethylene and 1-MCP elicit ...
Chope, Gemma A.   +4 more
core  

Enhanced Performance of Bimetallic Co-Pd Catalysts Prepared by Mechanical Alloying

open access: yesMetals, 2019
Bimetallic catalysts can provide enhanced performance, and Co-based catalysts in particular have been studied in various respects for their activity in the deposition of carbon nanofibers (CNFs).
Steven J. Knauss   +2 more
doaj   +1 more source

Low Pressure Ethenolysis of Renewable Methyl Oleate in a Microchemical System [PDF]

open access: yes, 2011
A microchemical system for ethenolysis of renewable methyl oleate was developed, in which the dual-phase, microfluidic design enabled efficient diffusion of ethylene gas into liquid methyl oleate through an increased contact area.
Grubbs, Robert H.   +4 more
core   +2 more sources

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