Results 1 to 10 of about 470,253 (304)

A novel enzymatic approach to nanocrystalline cellulose preparation [PDF]

open access: yes, 2018
In this work, conditions for an enzymatic pretreatment prior to NCC isolation from cotton linter were assessed. Different cellulase doses and reaction times were studied within an experimental design and NCC were obtained. At optimal enzymatic conditions
Beltramino, Facundo   +3 more
core   +2 more sources

Planting Density and Fertilization Evidently Influence the Fiber Yield of Hemp (Cannabis sativa L.)

open access: yesAgronomy, 2019
Hemp is one of the most important green (i.e., environmentally sustainable) fibers. Planting density, nitrogen (N), phosphorus (P) and potassium (K) significantly affect the yield of hemp fiber. By optimizing the above main four cultivation factors is an
Gang Deng   +4 more
doaj   +1 more source

Key Stages of Fiber Development as Determinants of Bast Fiber Yield and Quality [PDF]

open access: yesFibers, 2018
Plant fibers find wide application in various fields that demand specific parameters of fiber quality. To develop approaches for the improvement of yield and quality of bast fibers, the knowledge of the fiber developmental stages and of the key molecular players that are responsible for a certain parameter, are vitally important.
Natalia Mokshina   +4 more
openaire   +2 more sources

APPLICATION OF PLANT GROWTH REGULATORS AND EVALUATION OF THEIR EFFECTIVENESS IN COTTON CULTIVATION

open access: yesМелиорация и гидротехника
Purpose: to analyze the application of various types of plant growth regulators and their impact on the physiological processes of cotton growth and development. Discussion.
Rita Ye. Yurkova   +2 more
doaj   +1 more source

Tungsten fiber-reinforced copper composites form high strength electrical conductors [PDF]

open access: yes, 1966
Tungsten fiber-reinforced copper composites have tensile strength, yield strength, and modulus of elasticity proportional to fiber content.
Mc Danels, D. L., Signorelli, R. A.
core   +1 more source

CVD nano-coating of carbon composites for space materials atomic oxygen shielding [PDF]

open access: yes, 2017
The present work analyzes the possibility to employ carbon nanostructures as a basic material to prevent the erosion effects of atomic oxygen suffered by the carbon fiber reinforced polymeric material used in low earth orbit space environment.
Delfini, Andrea   +6 more
core   +1 more source

The significance of technical hemp cultivation and biometric indicators of the researched varieties in Uzbekistan [PDF]

open access: yesBIO Web of Conferences
Technical cannabis - the variety planted in the Havos region, which contains up to 0.2% of the narcotic substance tetrahydrocannabinol, is brought from Europe, that is, from France, and it is being cultivated in a very small amount of narcotics.
Gaybullaev G.S.   +4 more
doaj   +1 more source

Comparative study of Steel-FRP, FRP and steel reinforced coral concrete beams in their flexural performance [PDF]

open access: yes, 2020
In this paper, a comparative study of Carbon Fiber Reinforced Polymer (CFRP) Bar and Steel-Carbon Fiber Composite Bar (SCFCB) reinforced coral concrete beams are made through a series experimental tests and theoretical analysis.
Fu, F., Huang, C., Wang, L., Zhang, J.
core   +1 more source

Agroecological adaptedness of fiber flax specimens

open access: yesБиотехнология и селекция растений, 2023
The most important requirement to be met by promising varieties is adaptability, i. e., the ability to resist environmental factors that reduce productivity and product quality.
V. S. Bogdan   +3 more
doaj   +1 more source

Optimization of Process Parameters for Bamboo Fiber Extraction by Steam Explosion

open access: yesJournal of Natural Fibers
Bamboo fiber (BF) has emerged as a promising natural, environmentally friendly material for use in composite materials. The steam explosion process plays a crucial role in preparing BFs suitable for composites.
Wenjuan Zhao   +7 more
doaj   +1 more source

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