نتایج جستجو برای: molten polymers

تعداد نتایج: 79954  

2001
Donald R. Sadoway

Molten salt electrolysis is a proven technology for the extraction of metals -all the world's primary aluminum is produced in this manner. The unique properties of molten salts also make them excellent media in which to treat a variety of forms of waste. Of special note in this regard is electrolysis in molten oxides, a concept put forward by the author, initially as a "clean technology" for pr...

2014
Noriyoshi Matsumi Yoshiyuki Toyota Prerna Joshi Puhup Puneet Raman Vedarajan Toshihiro Takekawa

Novel boric ester-type molten salt was prepared using 1-(2-hydroxyethyl)-3-methylimidazolium chloride as a key starting material. After an ion exchange reaction of 1-(2-hydroxyethyl)-3-methylimidazolium chloride with lithium (bis-(trifluoromethanesulfonyl) imide) (LiNTf2), the resulting 1-(2-hydroxyethyl)-3-methylimidazolium NTf2 was reacted with 9-borabicyclo[3.3.1]nonane (9-BBN) to give the d...

2003
Adela Ben-Yakar Robert L. Byer Anthony Harkin Jacqueline Ashmore Howard A. Stone Mengyan Shen Eric Mazur

We studied the morphology of borosilicate glass surface machined by femtosecond laser pulses. Our observations show that a thin rim is formed around ablated craters after a single laser pulse. When multiple laser pulses are overlapped, the crater rims also overlap and produce a surface roughness. The rim appears to be a resolidified splash from a molten layer generated during the ablation proce...

Journal: :Philosophical transactions of the Royal Society of London. Series B, Biological sciences 1995
O B Ptitsyn V E Bychkova V N Uversky

Our recent experiments on the molten globule state and other protein folding intermediates lead to following conclusions: (i) the molten globule is separated by intramolecular first-order phase transitions from the native and unfolded states and therefore is a specific thermodynamic state of protein molecules; (ii) the novel equilibrium folding intermediate (the 'pre-molten globule' state) exis...

Journal: :Clean Technologies and Environmental Policy 2023

Abstract The development of new sustainable material solutions in the processing thermoplastic polymers concerns both application biopolymers and use valorized plant derivatives as fillers modifiers petrochemical polymers. Herein, possibility using unprocessed raw parts two commonly used food industry leaves, i.e., lemon (LL) stevia (ST), active functional for high-density polyethylene (HDPE) h...

Journal: :Current Biology 1999
Christina Redfield

When were they discovered? As early as the 1960s, there was evidence that under certain conditions protein molecules might have properties intermediate between the rigid native and fully unfolded states. The concept of such a protein as an intermediate in protein folding was suggested by the late Oleg Ptitsyn in the 1970s. A compact, partly folded protein was first observed experimentally in th...

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