424 research outputs found
Impact of Compost Application Rate on Lettuce Plant Growth and Soil Agrochemical Status
One way to reduce environmental stress and safeguard soil fertility and ecological sustainability in crop production is by adding compost to the soil substrate. Supplying the soil with organic matter improves its chemical and physical characteristics, leading to better plant growth and development and increasing yield. The study presents a pot experiment with lettuce on leached cinnamon forest soil (Chromic Luvisol). Research has studied changes in soil NPK before and after vegetation and the effects of the compost on plant production and quality. Increasing the amount of compost in the soil substrate led to an increase in the fresh mass and yield of lettuce and to an increase in the accumulated N, P, and K (%) in the plant tissues (R2=0.91, 0.96 and 0.68, respectively). After the experiment\u27s conclusion, the soils remained very well stocked in P2O5 content. The K2O stock in the soil was medium, i.e. when compost is applied, plant-available potassium increases relative to the initial soil. Total N remained very low; the applied composts provided large amounts of nitrogen for growing lettuce but did not leave the soil in good ecological status
Structureβproperties relationship in single polymer composites based on polyamide 6 prepared by in-mold anionic polymerization
Single polymer composites (SPCs) based on polyamide 6 (PA6) were prepared by in-mold activated anionic ring-opening polymerization (AAROP) of capro- lactam in the presence of PA6 textile fibers. The influence of the reinforcing fibers content, their surface treatment, as well as of the temperature of AAROP upon the morphol- ogy, crystalline structure, and mechanical properties of the resulting SPCs was followed. The presence of oriented transcrystalline layer (TCL) on the surface of the rein- forcing fibers was demonstrated by means of microscopy methods. Its orientation and polymorph structure were determined by synchrotron wide-angle X-ray scattering. Studies on the mechanical behavior in tension of the SPCs showed a well-expressed growth of the stress at break (70β80 %) and deformation at break (up to 150β190 %) in composites with 15β20 wt% of reinforcements. The best mechanical properties were found in SPCs whose rein- forcing fibers were solvent-pretreated prior to AAROP in order to remove the original finish. In these samples a stronger adhesion at the fiber/matrix interface was proved by scanning electron microscopy of cryofractured samples. This effect was related to a thinner TCL in which the Ξ±-to-Ξ³ polymorph transition is impeded.Strategic Project LA 25-2011-2012 financed by Fundação para a CiΓͺncia e a Tecnologia (FCT) - PortugalHASYLAB at DESY (Grant Number II-07-
011EC)FCT post-doctoral award SFRH/BPD/45252/2008, co-financed by QREN-POPH program of EU
ΠΠΈΠ»Π΅ΠΌΠ° ΡΠΎ Π΄Π²ΠΎΡΠ½Π° Π΄ΠΈΡΠ°Π³Π½ΠΎΠ·Π°: Π Π°Π·ΠΎΡΠΊΡΠΈΠ²Π°ΡΠ΅ Π½Π° ΡΠΏΠΎΠ½Π΄ΠΈΠ»ΠΎΠ΄ΠΈΡΡΠΈΡ ΠΈ ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ²Π΅Π½ Π΅Π½Π΄ΠΎΠΊΠ°ΡΠ΄ΠΈΡ ΠΊΠ°Ρ ΠΏΠ°ΡΠΈΠ΅Π½Ρ ΡΠΎ Π·Π°ΠΌΠΎΡ, Π±ΠΎΠ»ΠΊΠ° Π²ΠΎ Π³ΡΠ± ΠΈ ΡΡΠ΅ΡΠΊΠ°
ΠΠ½ΡΠ΅ΠΊΡΠΈΠΈΡΠ΅ Π½Π° ΡΠ±Π΅ΡΠ½ΠΈΠΎΡ ΡΡΠΎΠ»Π± ΠΌΠΎΠΆΠ΅ Π΄Π° ΡΠ΅ ΠΏΡΠ΅Π·Π΅Π½ΡΠΈΡΠ°Π°Ρ ΡΠΎ ΡΠΈΡΠΎΠΊ ΡΠΏΠ΅ΠΊΡΠ°Ρ Π½Π° ΠΊΠ»ΠΈΠ½ΠΈΡΠΊΠΈ ΡΠΈΠΌΠΏΡΠΎΠΌΠΈ. ΠΠ°ΡΡΠ΅ΡΡ ΡΠΈΠΌΠΏΡΠΎΠΌ Π΅ Π±ΠΎΠ»ΠΊΠ° Π²ΠΎ Π³ΡΠ±ΠΎΡ, Π½ΠΎ Π½Π΅Π²ΡΠΎΠ»ΠΎΡΠΊΠΈ Π΄Π΅ΡΠΈΡΠΈΡΠΈ Π½Π΅ ΡΠ΅ ΡΠ΅ΡΠΊΠΎΡΡ.
Π¦Π΅Π»ΡΠ° Π½Π° ΠΎΠ²ΠΎΡ ΡΡΡΠ΄ Π΅ Π΄Π° ΡΠ΅ Π°ΠΊΡΠ΅Π½ΡΠΈΡΠ° Π½Π° Π½Π΅ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ½ΠΈΡΠ΅ ΡΠΈΠΌΠΏΡΠΎΠΌΠΈ Π½Π° Π·Π°ΠΌΠΎΡ, Π³ΡΠ±Π½Π° Π±ΠΎΠ»ΠΊΠ° ΠΈ ΠΏΠΎΠΊΠ°ΡΠ΅Π½Π° ΡΠ΅Π»Π΅ΡΠ½Π° ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ°, ΠΊΠΎΠΈ ΡΠ΅ ΡΡΠ΅ΡΠ°Π²Π°Π°Ρ ΠΊΠ°Ρ ΡΠ°Π·Π»ΠΈΡΠ½ΠΈ Π±ΠΎΠ»Π΅ΡΡΠΈ ΠΈ Π΅ ΠΏΠΎΡΡΠ΅Π±Π½ΠΎ Π΄Π΅ΡΠ°Π»Π½ΠΎ ΠΈΡΠΏΠΈΡΡΠ²Π°ΡΠ΅ ΡΠΎ ΡΠ΅Π» Π½ΠΈΠ²Π½ΠΎ Π΅ΡΠΈΠΎΠ»ΠΎΡΠΊΠΎ ΡΠ°Π·ΡΠ°ΡΠ½ΡΠ²Π°ΡΠ΅.
ΠΡΠ΅Π·Π΅Π½ΡΠΈΡΠ°ΠΌΠ΅ ΡΠ»ΡΡΠ°Ρ Π½Π° 67 Π³ΠΎΠ΄ΠΈΡΠ΅Π½ ΠΏΠ°ΡΠΈΠ΅Π½Ρ ΠΊΠΎΡ Π±Π΅ΡΠ΅ ΠΏΡΠΈΠΌΠ΅Π½ Π½Π° ΠΎΠ΄Π΄Π΅Π»Π΅Π½ΠΈΠ΅ Π·Π° Π½Π΅Π²ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ° ΠΏΠΎΡΠ°Π΄ΠΈ Π·Π°ΠΌΠΎΡ, Π΄ΠΎΠ»Π½ΠΎΠ³ΡΠ±Π½Π° Π±ΠΎΠ»ΠΊΠ°, ΠΏΠΎΠΊΠ°ΡΠ΅Π½Π° ΡΠ΅Π»Π΅ΡΠ½Π° ΡΠ΅ΠΌΠΏΠ΅ΡΠ°ΡΡΡΠ° ΠΈ Π½Π΅ΡΡΠ°Π±ΠΈΠ»Π½ΠΎΡΡ Π²ΠΎ ΠΎΠ΄ΠΎΡ. ΠΠ΅Π° ΡΠΏΡΠΎΠ²Π΅Π΄Π΅Π½ΠΈ ΡΠ΅ΡΠΈΡΠ° Π½Π° Π΄ΠΈΡΠ°Π³Π½ΠΎΡΡΠΈΡΠΊΠΈ ΠΈΡΠΏΠΈΡΡΠ²Π°ΡΠ° Π·Π° Π΄Π° ΡΠ΅ ΡΡΠ²ΡΠ΄ΠΈ ΡΠΎΡΠ½Π°ΡΠ° ΠΏΡΠΈΡΠΈΠ½Π°. ΠΠ΅ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ½ΠΈΡΠ΅ ΡΠΈΠΌΠΏΡΠΎΠΌΠΈ Π½Π° ΠΌΠ°Π»Π°ΠΊΡΠ°Π½ΠΎΡΡ, ΡΠ»Π°Π±ΠΎΡΡ, Π΅ΠΊΡΠ΅ΡΠΈΠ²Π½ΠΎΡΠΎ Π½ΠΎΡΠ½ΠΎ ΠΏΠΎΡΠ΅ΡΠ΅ ΠΈ ΡΡΠ΅ΡΠΊΠ° ΡΠ°Π·Π±ΡΠ΄ΠΈΡΠ° ΡΠΎΠΌΠ½Π΅ΠΆ Π·Π° ΠΌΠΎΠΆΠ½ΠΎ ΠΊΠ°ΡΠ΄ΠΈΡΠ°Π»Π½ΠΎ ΠΏΠΎΡΠ΅ΠΊΠ»ΠΎ.
ΠΠ°Π±ΠΎΡΠ°ΡΠΎΡΠΈΡΠΊΠΈΡΠ΅ Π°Π½Π°Π»ΠΈΠ·ΠΈ ΠΏΠΎΠΊΠ°ΠΆΠ°Π° ΠΏΠΎΠΊΠ°ΡΠ΅Π½ΠΈ Π²ΡΠ΅Π΄Π½ΠΎΡΡΠΈ Π½Π° Π‘Π ΠΈ Π¦Π Π, Π° Ρ
Π΅ΠΌΠΎΠΊΡΠ»ΡΡΡΠΈΡΠ΅ Π±Π΅Π° Π½Π΅Π³Π°ΡΠΈΠ²Π½ΠΈ. MR Π½Π° Π-Π‘ ΡΠ±Π΅Ρ ΠΎΡΠΊΡΠΈ Ρ
ΠΈΠΏΠΎΡΠΈΠ³Π½Π°Π»Π½Π°, Π΄Π΅Π»ΡΠΌΠ½ΠΎ Π»ΠΎΠ±ΡΠ»ΠΈΡΠ°Π½Π° ΠΏΡΠΎΠΌΠ΅Π½Π° Π½Π° Π½ΠΈΠ²ΠΎ Π½Π° Π-1 ΠΏΡΠ΅ΡΠ»Π΅Π½ΡΠΊΠΎ ΡΠ΅Π»ΠΎ ΠΈ Ρ
Π΅ΡΠ΅ΡΠΎΡΠΈΠ³Π½Π°Π»Π΅Π½ ΠΏΡΠΈΠΊΠ°Π· Π½Π° ΠΠ Π΄ΠΈΡΠΊ. ΠΡΠΎΠΌΠ΅Π½Π°ΡΠ° Π±ΠΈ ΠΌΠΎΠΆΠ΅Π»Π° Π΄Π° ΠΎΠ΄Π³ΠΎΠ²Π°ΡΠ° Π½Π° ΡΠΎΡΡΠΎΡΠ±Π° Π½Π° ΡΠΏΠΎΠ½Π΄ΠΈΠ»ΠΎΠ΄ΠΈΡΡΠΈΡ. ΠΠΠΠ Π½Π°ΠΎΠ΄ΠΎΡ ΡΠΊΠ°ΠΆΡΠ²Π° Π½Π° Ρ
ΡΠΎΠ½ΠΈΡΠ½Π° Π»Π΅Π·ΠΈΡΠ° Π½Π° ΠΏΡΠΎΠΊΡΠΈΠΌΠ°Π»Π½ΠΈΠΎΡ Π΄Π΅Π» ΠΎΠ΄ ΠΌΠΎΡΠΎΡΠ½ΠΈΠΎΡ Π½Π΅Π²ΡΠΎΠ½. ΠΡ
ΠΎΠΊΠ°ΡΠ΄ΠΈΠΎΠ³ΡΠ°ΡΠΈΡΠ°ΡΠ° ΠΎΡΠΊΡΠΈ Π΄ΠΈΠ»Π°ΡΠΈΡΠ°Π½Π° Π»Π΅Π²Π° ΠΏΡΠ΅Π΄ΠΊΠΎΠΌΠΎΡΠ°, ΡΠΎ Π·Π°Π΄Π΅Π±Π΅Π»Π΅Π½ ΠΌΠΈΡΡΠ°Π»Π΅Π½ Π·Π°Π»ΠΈΡΡΠΎΠΊ ΠΈ ΠΏΡΠΈΡΡΡΠ½Π° Ρ
ΠΈΠΏΠ΅ΡΠ΅Ρ
ΠΎΠ³Π΅Π½Π° ΡΠΎΠΏΡΠ΅ΡΡΠ° ΠΌΠ°ΡΠ° Π²ΠΎ ΠΏΡΠ΅Π΄Π΅Π» Π½Π° Π²ΡΠ²ΠΎΡ Π½Π° ΠΏΡΠ΅Π΄Π΅Π½ ΠΌΠΈΡΡΠ°Π»Π΅Π½ ΠΊΡΡΠΏΠΈΡ. ΠΡΡΠ° ΡΠ°ΠΊΠ²Π° ΡΠΎΡΠΌΠ°ΡΠΈΡΠ° ΡΠ΅ ΠΏΡΠ°ΡΠΈ Π½Π° ΠΈΠ½ΡΡΠ°Π²Π΅Π½ΡΡΠΈΠΊΡΠ»Π°ΡΠ½ΠΈΠΎΡ ΡΠ΅ΠΏΡΡΠΌ, ΡΡΡΠΏΠ΅ΠΊΡΠ½ΠΈ Π·Π° Π΅Π½Π΄ΠΎΠΊΠ°ΡΠ΄ΠΈΡΠ°Π»Π½ΠΈ ΠΌΠ°ΡΠΈ ΠΈ ΡΠ΅ΡΠΊΠ° ΠΌΠΈΡΡΠ°Π»Π½Π° ΠΈΠ½ΡΡΡΠΈΡΠΈΠ΅Π½ΡΠΈΡΠ°.
Π‘ΠΏΠΎΠ½Π΄ΠΈΠ»ΠΎΠ΄ΠΈΡΡΠΈΡΠΎΡ Π΅ ΡΠ΅ΡΡΠ° ΠΏΡΠΈΠ΄ΡΡΠΆΠ½Π° ΠΊΠΎΠΌΠΏΠ»ΠΈΠΊΠ°ΡΠΈΡΠ° Π½Π° ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ²Π½ΠΈΠΎΡ Π΅Π½Π΄ΠΎΠΊΠ°ΡΠ΄ΠΈΡ, Π½Π°ΡΠ²Π΅ΡΠΎΡΠ°ΡΠ½ΠΎ ΠΏΠΎΡΠ°Π΄ΠΈ Ρ
Π΅ΠΌΠ°ΡΠΎΠ³Π΅Π½Π°ΡΠ° Π΄ΠΈΡΠ΅ΠΌΠΈΠ½Π°ΡΠΈΡΠ° Π½Π° ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ²Π½ΠΈΠΎΡ Π°Π³Π΅Π½Ρ. ΠΠ°ΡΠΎΠ°, Π²ΠΎ ΡΠΈΡΠ΅ ΡΠ»ΡΡΠ°ΠΈ Π½Π° ΡΠΏΠΎΠ½Π΄ΠΈΠ»ΠΎΠ΄ΠΈΡΡΠΈΡ , ΠΏΡΠΈΡΡΡΡΠ²ΠΎΡΠΎ Π½Π° ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ²Π΅Π½ Π΅Π½Π΄ΠΎΠΊΠ°ΡΠ΄ΠΈΡΠΈΡ ΡΡΠ΅Π±Π° ΡΠ΅ΠΌΠ΅Π»Π½ΠΎ Π΄Π° ΡΠ΅ ΠΈΡΠΏΠΈΡΠ° ΠΈ Π΄Π° ΡΠ΅ ΠΈΡΠΊΠ»ΡΡΠΈ.
KΠ»ΡΡΠ½ΠΈ Π·Π±ΠΎΡΠΎΠ²ΠΈ : ΡΠΏΠΎΠ½Π΄ΠΈΠ»ΠΎΠ΄ΠΈΡΡΠΈΡ, ΠΈΠ½ΡΠ΅ΠΊΡΠΈΠ²Π΅Π½ Π΅Π½Π΄ΠΎΠΊΠ°ΡΠ΄ΠΈ
Π₯ΠΈΠΏΠ΅ΡΡΡΠΎΡΠΈΡΠ½Π° ΠΊΠ°ΡΠ΄ΠΈΠΎΠΌΠΈΠΎΠΏΠ°ΡΠΈΡΠ° ΡΠΎ ΠΊΠΎΠΌΠΏΠ»ΠΈΠΊΠ°ΡΠΈΡΠ° ΠΌΠ°ΡΠΈΠ²Π½Π° ΠΏΡΠ»ΠΌΠΎΠ½Π°Π»Π½Π° Π΅ΠΌΠ±ΠΎΠ»ΠΈΡΠ°
ΠΠΎΠ²Π΅Π΄: Π₯ΠΈΠΏΠ΅ΡΡΡΠΎΡΠΈΡΠ½Π°ΡΠ° ΠΊΠ°ΡΠ΄ΠΈΠΎΠΌΠΈΠΎΠΏΠ°ΡΠΈΡΠ° ΠΏΡΠ΅ΡΡΡΠ°Π²ΡΠ²Π° Π·Π°Π΄Π΅Π±Π΅Π»ΡΠ²Π°ΡΠ΅ Π½Π° ΡΡΡΠ΅Π²ΠΈΠΎΡ ΠΌΡΡΠΊΡΠ» (β₯ 15ΠΌΠΌ) ΡΠΈΠΌΠ΅ΡΡΠΈΡΠ½ΠΎ ΠΈΠ»ΠΈ Π°ΡΠΈΠΌΠ΅ΡΡΠΈΡΠ½ΠΎ, ΡΠ΅ΡΡΠΎ Π³Π΅Π½Π΅ΡΡΠΊΠΈ ΠΎΠ΄ΡΠ΅Π΄Π΅Π½ΠΎ. ΠΠ°Π±ΠΎΠ»ΡΠ²Π°ΡΠ΅ΡΠΎ ΠΌΠΎΠΆΠ΅ Π΄Π°
Π±ΠΈΠ΄Π΅ Π°ΡΠΈΠΌΠΏΡΠΎΠΌΠ°ΡΡΠΊΠΎ Π΄ΠΎΠ»Π³ΠΈ Π³ΠΎΠ΄ΠΈΠ½ΠΈ ΠΏΡΠ΅Π΄ Π΄Π° ΡΠ΅ ΠΏΠΎΡΠ°Π²Π°Ρ Π·Π½Π°ΡΠΈ Π·Π° ΠΈΡΡ
Π΅ΠΌΠΈΡΠ° ΠΈ Π°ΡΠΈΡΠΌΠΈΠΈ, ΠΊΠΎΠΈ ΠΌΠΎΠΆΠ°Ρ Π΄Π° Π΄ΠΎΠ²Π΅Π΄Π°Ρ Π΄ΠΎ Π½Π°Π³Π»Π° ΡΠΌΡΡ. ΠΠΎΡΡΠΎΠ΅ΡΠ΅ΡΠΎ Π½Π° ΠΏΠΎΠ²Π΅ΡΠ΅ ΠΊΠ°ΡΠ΄ΠΈΠΎΠ²Π°ΡΠΊΡΠ»Π°ΡΠ½ΠΈ ΡΠΈΠ·ΠΈΠΊ ΡΠ°ΠΊΡΠΎΡΠΈ
Π²ΠΎΠ΄ΠΈ Π΄ΠΎ Π·Π³ΠΎΠ»Π΅ΠΌΠ΅Π½ ΠΌΠΎΡΠ±ΠΈΠ΄ΠΈΡΠ΅Ρ ΠΈ ΠΌΠΎΡΡΠ°Π»ΠΈΡΠ΅Ρ. Π¦Π΅Π»ΡΠ° Π½Π° ΠΎΠ²Π°Ρ ΠΏΡΠΈΠΊΠ°Π· Π½Π° ΡΠ»ΡΡΠ°Ρ Π΅ Π΄Π° ΠΏΠΎΠΊΠ°ΠΆΠ΅ΠΌΠ΅ Π΅Π΄Π½Π° Π΄ΠΈΡΠ°Π³Π½ΠΎΠ·Π° Π½Π΅ ΠΈΡΠΊΠ»ΡΡΡΠ²Π° ΠΏΠΎΡΡΠΎΠ΅ΡΠ΅ Π½Π° Π΄ΡΡΠ³ΠΈ Π΄ΠΈΡΠ°Π³Π½ΠΎΠ·ΠΈ.
ΠΠ°ΡΠ΅ΡΠΈΡΠ°Π»ΠΈ ΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΈ: ΠΠ°Ρ ΠΌΠ°ΠΆ Π½Π° 67 Π³ΠΎΠ΄ΠΈΡΠ½Π° Π²ΠΎΠ·ΡΠ°ΡΡ, ΡΠΎ ΡΠΈΠΌΠΏΡΠΎΠΌΠΈ Π½Π° Π³ΡΡΠ΅ΡΠ΅ ΠΈ Π·Π°ΠΌΠΎΡ (NYHA 3) βΠ²ΠΎ ΠΏΠΎΡΠ»Π΅Π΄Π½ΠΎ Π²ΡΠ΅ΠΌΠ΅β, ΠΏΡΠ΅Π»Π΅ΠΆΠ°Π½ ΠΈΠ½ΡΠ°ΡΠΊΡ Π½Π° ΠΌΠΈΠΎΠΊΠ°ΡΠ΄ΠΎΡ ΠΈ ΠΏΠ»Π°ΡΠΈΡΠ°Π½ ΡΡΠ΅Π½Ρ Π½Π°
ΡΠΈΡΠΊΡΠΌΡΠ»Π΅ΠΊΡΠ½Π°ΡΠ° Π°ΡΡΠ΅ΡΠΈΡΠ° Π±Π΅ΡΠ΅ Π½Π°ΠΏΡΠ°Π²Π΅Π½a ΡΡΠ°Π½ΡΡΠΎΡΠ°ΠΊΠ°Π»Π½Π° Π΅Ρ
ΠΎΠΊΠ°ΡΠ΄ΠΈΠΎΠ³ΡΠ°ΡΠΈΡΠ°. ΠΠ°ΡΠ΄ΠΈΠΎΠ²Π°ΡΠΊΡΠ»Π°ΡΠ½ΠΈ ΡΠΈΠ·ΠΈΠΊ ΡΠ°ΠΊΡΠΎΡΠΈ: Π°ΡΡΠ΅ΡΠΈΡΠΊΠ° Ρ
ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΡΠ°, Π΄ΠΈΡΠ°Π±Π΅ΡΠ΅Ρ ΠΌΠ΅Π»ΠΈΡΡΡ ΡΠΈΠΏ 2, Π±Π΅Π½ΠΈΠ³Π½Π° Ρ
ΠΈΠΏΠ΅ΡΠΏΠ»Π°Π·ΠΈΡΠ° Π½Π° ΠΏΡΠΎΡΡΠ°ΡΠ°, Ρ
ΡΠΎΠ½ΠΈΡΠ½Π° Π±ΡΠ±ΡΠ΅ΠΆΠ½Π° ΠΈΠ½ΡΡΡΠΈΡΠΈΠ΅Π½ΡΠΈΡΠ°. Π’ΡΠ°Π½ΡΡΠΎΡΠ°ΠΊΠ°Π»Π½Π°ΡΠ° Π΅Ρ
ΠΎΠΊΠ°ΡΠ΄ΠΈΠΎΠ³ΡΠ°ΡΠΈΡΠ° ΠΏΠΎΠΊΠ°ΠΆΠ° ΠΈΠ·ΡΠ°Π·Π΅Π½Π° Ρ
ΠΈΠΏΠ΅ΡΡΡΠΎΡΠΈΡΠ° ΡΠΎ ΠΎΠΏΡΡΡΡΠΊΡΠΈΡΠ° Π²ΠΎ ΠΌΠΈΠ΄ Π΄Π΅Π»ΠΎΠ²ΠΈ ΠΈ Π°ΠΏΠΈΠΊΠ°Π»Π½Π° Π΄ΠΈΡΠΊΠΈΠ½Π΅Π·ΠΈΡΠ°. ΠΠ°ΠΏΡΠ°Π²Π΅Π½ΠΈ ΡΠ΅ Π»Π°Π±Π°ΡΠ°ΡΠΎΡΠΈΡΠΊΠΈ Π°Π½Π°Π»ΠΈΠ·ΠΈ ΠΈ ΠΌΠ°Π³Π½Π΅ΡΠ½Π° ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ° Π½Π° ΡΡΡΠ΅.
Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ: ΠΠ°Π³Π½Π΅ΡΠ½Π°ΡΠ° ΡΠ΅Π·ΠΎΠ½Π°Π½ΡΠ° Π½Π° ΡΡΡΠ΅ ΠΊΠ°ΠΊΠΎ ΡΠ»ΡΡΠ°Π΅Π½ Π½Π°ΠΎΠ΄ ΠΏΠΎΠΊΠ°ΠΆΠ° ΠΌΠ°ΡΠΈΠ²Π½Π° ΠΏΡΠ»ΠΌΠΎΠ½Π°Π»Π½Π° Π΅ΠΌΠ±ΠΎΠ»ΠΈΡΠ° Π²ΠΎ Π³Π»Π°Π²Π½ΠΈΡΠ΅ ΠΏΡΠ»ΠΌΠΎΠ½Π°Π»Π½ΠΈ Π°ΡΡΠ΅ΡΠΈΠΈ ΠΈ ΡΡΠΎΠΌΠ± Π²ΠΎ Π°ΠΏΠ΅ΠΊΡ Π½Π° Π»Π΅Π²Π°ΡΠ° ΠΊΠΎΠΌΠΎΡΠ°, Π΅ΠΊΡΡΠ΅Π½ΡΡΠΈΡΠ½Π° ΠΈΠ·ΡΠ°Π·Π΅Π½Π° Ρ
ΠΈΠΏΠ΅ΡΡΡΠΎΡΠΈΡΠ° (ΡΠ΅ΠΏΡΡΠΌ 23ΠΌΠΌ) ΠΈ Π½Π΅Π²ΠΈΡΠ°Π±ΠΈΠ»Π΅Π½ ΠΌΠΈΠΎΠΊΠ°ΡΠ΄ Π²ΠΎ 41%. ΠΠ°ΡΠΈΠ΅Π½ΡΠΎΡ Π±Π΅ΡΠ΅ Ρ
ΠΎΡΠΏΠΈΡΠ°Π»ΠΈΠ·ΠΈΡΠ°Π½, ΠΎΡΠ΄ΠΈΠ½ΠΈΡΠ°Π½Π° Π±Π΅ΡΠ΅ ΠΏΠ΅ΡΠΎΡΠ°Π»Π½Π° Π°Π½ΡΠΈΠΊΠΎΠ°Π³ΡΠ»Π°Π½ΡΠ½Π° ΡΠ΅ΡΠ°ΠΏΠΈΡΠ° ΡΠΎ Π°ΠΏΠΈΠΊΡΠ°Π±Π°Π½ ΡΠΏΠΎΡΠ΅Π΄ ΠΏΡΠΎΡΠΎΠΊΠΎΠ». ΠΠΎΡΠ»Π΅ ΠΎΡΠΏΡΡΡ ΠΎΠ΄ Π±ΠΎΠ»Π½ΠΈΡΠ° ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΡ Π΅ ΡΠΎ ΠΏΠΎΠ΄ΠΎΠ±ΡΠ΅Π½Π° ΠΊΠ»ΠΈΠ½ΠΈΡΠΊΠ° ΡΠΎΡΡΠΎΡΠ±Π° (NYHA 1).
ΠΠ°ΠΊΠ»ΡΡΠΎΠΊ: ΠΠΎΡΡΠ΅Π±Π½ΠΈ ΡΠ΅ ΡΠ΅ΠΌΠ΅Π»Π½ΠΈ ΠΈΡΠΏΠΈΡΡΠ²Π°ΡΠ° ΠΊΠ°Ρ ΠΊΠΎΠΌΠΏΠ»Π΅ΠΊΡΠ½ΠΈ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΈ. ΠΠ΅ΡΠΎΡΠ°Π»Π½Π°ΡΠ° Π°Π½ΡΠΈΠΊΠΎΠ°Π³ΡΠ»Π°Π½ΡΠ½Π° ΡΠ΅ΡΠ°ΠΏΠΈΡΠ° ΡΠΎ ΠΊΡΠ°Π±Π°Π½ΠΈ ΡΠ΅ ΠΏΠΎΠΊΠ°ΠΆΠ° ΠΊΠ°ΠΊΠΎ Π΅ΡΠΈΠΊΠ°ΡΠ½Π° ΡΠ΅ΡΠ°ΠΏΠΈΡΠ° ΠΊΠ°Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΈ ΡΠΎ ΠΏΡΠ»ΠΌΠΎΠ½Π°Π»Π½Π° Π΅ΠΌΠ±ΠΎΠ»ΠΈΡΠ° ΠΈ ΡΡΠΎΠΌΠ± Π²ΠΎ Π»Π΅Π²Π°ΡΠ° ΠΊΠΎΠΌΠΎΡΠ°
Mammalian E-type Cyclins Control Chromosome Pairing, Telomere Stability and CDK2 Localization in Male Meiosis
Loss of function of cyclin E1 or E2, important regulators of the mitotic cell cycle, yields viable mice, but E2-deficient males display reduced fertility. To elucidate the role of E-type cyclins during spermatogenesis, we characterized their expression patterns and produced additional deletions of Ccne1 and Ccne2 alleles in the germline, revealing unexpected meiotic functions. While Ccne2 mRNA and protein are abundantly expressed in spermatocytes, Ccne1 mRNA is present but its protein is detected only at low levels. However, abundant levels of cyclin E1 protein are detected in spermatocytes deficient in cyclin E2 protein. Additional depletion of E-type cyclins in the germline resulted in increasingly enhanced spermatogenic abnormalities and corresponding decreased fertility and loss of germ cells by apoptosis. Profound meiotic defects were observed in spermatocytes, including abnormal pairing and synapsis of homologous chromosomes, heterologous chromosome associations, unrepaired double-strand DNA breaks, disruptions in telomeric structure and defects in cyclin-dependent-kinase 2 localization. These results highlight a new role for E-type cyclins as important regulators of male meiosis
Influence of transcrystalline layer on finite element mesoscale modeling of polyamide 6 based single polymer laminate composites
This study presents a novel approach for finite element modeling of the elastic behavior of a plain-woven reinforced single polymer laminate composites (WSPC) based on polyamide 6 (PA6). These composites are produced via compression molding of PA6 woven textile structures that are powder-coated by anionic PA6 microparticles. Morphological and structural analysis complemented by electron microscopy, image processing and X-ray diffraction suggest the presence of transcrystalline layer (TCL) at the matrix-reinforcement interface. Having in mid this experimental fact, a novel procedure is developed for finite level discretization of TCL in the representative volume element (RVE) during tensile straining. The procedure correlates the material properties with the overall load applied, thus adequately modelling the tensile behavior of the WSPC based on the constituent materials. The stress field along the elements of the RVE model is studied while the tensile loads were applied in two principal directions. A good agreement between the real mechanical behavior and that calculated based on the model was demonstrated.IPC and 2C2T gratefully acknowledge the support of the project TSSiPRO-NORTE-01-0145-FEDER-000015 funded by the regional operational program NORTE 2020, under the PORTUGAL 2020 Partnership Agreement, through the European Regional Development Fund. The authors affiliated to 2C2T acknowledge also partial funding from FCT - Fundação para a CiΓͺncia e a Tecnologia within the projects POCI- 01-0145-FEDER-007136 and UID/CTM/00264. S.D. Tohidi thanks to FCT for the PhD Grant SFRH/BD/94759/2013. N. Dourado acknowledges FCT for the financial support through the projects UID/EEA/04436/2013 and POCI-01-0145-FEDER-006941. M. Rezazadeh acknowledges the support provided by FEDER and FCT funds through project POCI-01-0145-FEDER-029485. N.Q. Quyα»n thanks for the financial support of FCT through the project PESTUID/CTM/00264. A. Zille also acknowledges the FCT Investigator Research contract IF/00071/2015. S. Hesseler and T. Gries gratefully acknowledge the financial support of German Science Foundation (DFG) through the project RE1057/41. Z. Z. Denchev and N. V. Dencheva acknowledge the support by National Funds through FCT, project UID/CTM/50025/2019. N. Dencheva is also grateful for the financial support of FCT in the frames of the strategic project UID/CTM/50025/2013 and the personal program-contract CTTI-51/18-IP
Synchrotron X-ray studies on polyamide composites prepared by reactive injection molding
Semicrystalline polyamide 6 (PA6) and composites on its basis are among the most frequently used polymer materials for highly demanding applications. The performance of these composites depends on the crystalline structure of the PA6 matrix in which two crystalline forms most frequently coexist: Ξ±- and Ξ³-polymorphs. This work reports on the crystalline structure of a variety of composite materials produced by in-mold reactive polymerization of caprolactam in specially designed semi-automatic equipment for reactive processing of nylons (NYRIM), carried out in the presence of particulate mineral reinforcements (natural or-ganically treated aluminum silicates and synthetic titanosilicates), PA6 oriented monofilaments and textile structures of glass fibers. The morphology and the crystalline structure of all composites were studied by syn-chrotron X-ray diffraction. Transcrystalline PA6 layer was observed in all fibrous PA6 laminates whose struc-ture fine crystalline structure was accessed.Fundação para a CiΓͺncia e Tecnologia; German Synchrotorn Radiation Source - DESY, Hambur
ΠΡΠΈΠΊΠ°Π· Π½Π° ΡΠ»ΡΡΠ°Ρ: Π Π΅Π½Π°Π»Π΅Π½ ΠΈΠ½ΡΠ°ΡΠΊΡ ΠΊΠ°ΠΊΠΎ ΠΏΠΎΡΠ»Π΅Π΄ΠΈΡΠ° Π½Π° ΡΡΠΎΠΌΠ±ΠΎΠ·Π° ΠΈ Π΄ΠΈΡΠ΅ΠΊΡΠΈΡΠ° Π½Π° ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΡΠ°
ΠΠΎΠ²Π΅Π΄: Π‘ΠΏΠΎΠ½ΡΠ°Π½Π°ΡΠ° ΡΡΠΎΠΌΠ±ΠΎΠ·Π° ΠΈ Π΄ΠΈΡΠ΅ΠΊΡΠΈΡΠ° Π½Π° ΡΠ΅Π½Π°Π»Π½Π°ΡΠ° Π°ΡΡΠ΅ΡΠΈΡΠ° Π΅ ΠΊΠ»ΠΈΠ½ΠΈΡΠΊΠΈ Π΅Π½ΡΠΈΡΠ΅Ρ ΠΊΠΎΡ ΠΈΠΌΠ° ΡΠ΅ΡΠΊΠ° ΠΏΠΎΡΠ°Π²Π° ΠΈ Π½Π΅ΡΠΏΠ΅ΡΠΈΡΠΈΡΠ½Π° ΡΠΈΠΌΠΏΡΠΎΠΌΠ°ΡΠΎΠ»ΠΎΠ³ΠΈΡΠ°.
Π¦Π΅Π»ΠΈ: Π¦Π΅Π» Π½ΠΈ Π±Π΅ΡΠ΅ Π΄Π° Π³ΠΎ ΡΠΏΠΎΠ΄Π΅Π»ΠΈΠΌΠ΅ Π΄ΠΈΡΠ°Π³Π½ΠΎΡΡΠΈΡΠΊΠΈΠΎΡ ΠΈ ΡΠ΅ΡΠ°ΠΏΠ΅Π²ΡΡΠΊΠΈΠΎΡ ΠΏΡΠ΅Π΄ΠΈΠ·Π²ΠΈΠΊ ΠΊΠ°Ρ Π°ΡΡΠ΅ΡΠΈΡΠΊΠ° ΡΡΠΎΠΌΠ±ΠΎΠ·Π° Π½Π° ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΡΠ°, ΠΊΠ°Ρ ΠΌΠ»Π°Π΄ ΠΏΠ°ΡΠΈΠ΅Π½Ρ Π½Π° 36 Π³ΠΎΠ΄ΠΈΡΠ½Π° Π²ΠΎΠ·ΡΠ°ΡΡ, ΠΊΠΎΠΌΠΏΠ»ΠΈΠΊΡΠ²Π°Π½ ΡΠΎ ΡΡΠ°Π½Π·ΠΈΡΠΎΡΠ½ΠΎ Π±ΡΠ±ΡΠ΅ΠΆΠ½ΠΎ Π·Π°ΡΠ΅Π³Π°ΡΠ΅.
ΠΠ°ΡΠ΅ΡΠΈΡΠ°Π» ΠΈ ΠΌΠ΅ΡΠΎΠ΄ΠΈ: Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈΡΠ΅ ΠΎΠ΄ Π±ΠΈΠΎΡ
Π΅ΠΌΠΈΡΠΊΠΈΡΠ΅ Π°Π½Π°Π»ΠΈΠ·ΠΈ Π½Π° ΠΊΡΠ² ΡΠ΅ Π²ΠΎ ΡΠ΅ΡΠ΅ΡΠ΅Π½ΡΠ½ΠΈ Π²ΡΠ΅Π΄Π½ΠΎΡΡΠΈ, ΡΠΎ ΠΈΡΠΊΠ»ΡΡΠΎΠΊ Π½Π° LDH-766 U/L, ΠΈ ALT-64 U/L. ΠΠ° Π΅Ρ
ΠΎΡΠΎΠΌΠΎΠ³ΡΠ°ΡΠΈΡΠ° Π½Π° Π½ΠΈΠ²ΠΎ Π½Π° Π»Π΅Π² Π±ΡΠ±ΡΠ΅Π³, ΡΡΠ΅Π΄Π΅Π½ Π»ΠΎΠ±ΡΡ, ΡΠ΅ ΠΏΡΠ°ΡΠΈ Π·ΠΏΠ½Π° Π½Π° Π·Π³ΠΎΠ»Π΅ΠΌΠ΅Π½Π° Π΅Ρ
ΠΎΠ³Π΅Π½ΠΎΡΡ. ΠΠ° Π΄ΠΎΠΏΠ»Π΅Ρ Π½Π° Π»Π΅Π²Π° ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΡΠ° ΡΠ΅ ΡΠ»Π΅Π΄Π°Ρ Π΄Π²Π΅ Π·ΠΎΠ½ΠΈ ΡΠΎ ΠΏΠΎΡΠ»Π°Π±Π° Π²Π°ΡΠΊΡΠ»Π°ΡΠΈΠ·Π°ΡΠΈΡΠ°, Π½Π° Π΄ΠΎΠ»Π΅Π½ ΠΈ Π½Π° ΡΡΠ΅Π΄Π΅Π½ ΠΏΠΎΠ». ΠΠ’ Π½Π° Π°Π±Π΄ΠΎΠΌΠ΅Π½ Π²ΠΎ ΠΏΡΠΈΠ»ΠΎΠ³ Π½Π° Π΄ΠΈΡΠ΅ΠΊΡΠΈΡΠ° Π½Π° Π³ΡΠ°Π½ΠΊΠ° ΠΎΠ΄ ΡΠ°ΡΠ²Π°ΡΠ΅ Π½Π° ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΡΠ° Π²ΠΎ Π»Π΅Π² Π±ΡΠ±ΡΠ΅Π³, ΡΠΎ ΠΈΠ½ΡΠ°ΡΠΊΡ Π½Π° Π³ΠΎΡΠ΅Π½ ΠΏΠΎΠ», ΡΡΠ΅Π΄Π½Π° ΡΡΠ΅ΡΠΈΠ½Π° ΠΈ Π΄ΠΎΠ»Π΅Π½ ΠΏΠΎΠ». ΠΠΈΡΠ΅ΡΠΈΡΠ°Π½ΠΈΠΎΡ Π΄Π΅Π» Π΅ ΡΡΠΎΠΌΠ±ΠΎΠ·ΠΈΡΠ°Π½. ΠΠ°ΠΏΡΠ°Π²Π΅Π½Π° ΠΠ Π°Π½Π³ΠΈΠΎΠ³ΡΠ°ΡΠΈΡΠ° ΡΠΎ ΡΠ΅Π·ΡΠ»ΡΠ°ΡΠΈ Π²ΠΎ ΠΏΡΠΈΠ»ΠΎΠ³ Π½Π° Π΄ΠΈΡΠ΅ΠΊΡΠΈΡΠ° ΠΈ ΡΡΠΎΠΌΠ±ΠΎΠ·Π° Π½Π° Π»Π΅Π²Π° ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΡΠ° ΡΠΎ ΠΏΡΠΈΡΡΡΠ½Π° ΠΈΡΡ
Π΅ΠΌΠΈΡΠ°. Π₯Π΅ΠΌΠΎΡΡΡΠ°Π·Π° ΡΡΠ΅Π΄Π½Π°, ΡΠ΅ΡΡΠΎΠ²ΠΈ Π·Π° ΡΡΠΎΠΌΠ±ΠΎΡΠΈΠ»ΠΈΡΠ° ΠΏΠΎΠΊΠ°ΠΆΡΠ²Π°Π°Ρ Ρ
Π΅ΡΠ΅ΡΠΎΠ·ΠΈΠ³ΠΎΡ Π·Π° F13, ITGA2, MTHFR1298, MTHFR677, Ρ
ΠΎΠΌΠΎΠ·ΠΈΠ³ΠΎΡ Π·Π° FGB, PAI-1.
Π Π΅Π·ΡΠ»ΡΠ°ΡΠΈ: ΠΏΠΎ ΠΊΠΎΠ½ΡΡΠ»ΡΠ°ΡΠΈΡΠ° ΡΠΎ ΠΌΡΠ»ΡΠΈΠ΄ΠΈΡΡΠΈΠΏΠ»ΠΈΠ½Π°ΡΠ΅Π½ ΡΠΈΠΌ, ΠΎΠ΄Π»ΡΡΠ΅Π½ΠΎ Π΅ Π΄Π΅ΠΊΠ° ΠΊΠ°Ρ ΠΏΠ°ΡΠΈΠ΅Π½ΡΠΎΡ Π½Π΅ ΠΏΠΎΡΡΠΎΠΈ ΠΈΠ½Π΄ΠΈΠΊΠ°ΡΠΈΡΠ° Π·Π° ΠΈΠ½Π²Π°Π·ΠΈΠ²Π½ΠΎ Π»Π΅ΠΊΡΠ²Π°ΡΠ΅, ΠΏΡΠΈΡΡΡΠ½Π° Π΅ Π·Π°ΡΡΠ²Π°Π½Π° Π±ΡΠ±ΡΠ΅ΠΆΠ½Π° ΡΡΠ½ΠΊΡΠΈΡΠ°, Π½ΠΎΡΠΌΠ°Π»Π΅Π½ ΠΊΡΠ²Π΅Π½ ΠΏΡΠΈΡΠΈΡΠΎΠΊ ΠΈ ΡΡΠ΅Π΄Π΅Π½ ΠΏΡΠΎΡΠΎΠΊ Π½ΠΈΠ· ΡΠ΅Π½Π°Π»Π½Π°ΡΠ° Π°ΡΡΠ΅ΡΠΈΡΠ°. ΠΠΎΡΡΠ°Π²Π΅Π½ Π½Π° ΠΎΡΠ°Π»Π½Π° Π°Π½ΡΠΈΠΊΠΎΠ°Π³ΡΠ»Π°Π½ΡΠ½Π° ΡΠ΅ΡΠ°ΠΏΠΈΡΠ°.
ΠΠ°ΠΊΠ»ΡΡΠΎΠΊ: ΠΠΎΡΡΠΎΡΠ°Ρ Π΄Π²Π° ΡΠ΅ΡΠ°ΠΏΠ΅Π²ΡΡΠΊΠΈ ΠΏΡΠΈΡΡΠ°ΠΏΠΈ Π·Π° ΠΎΠ²Π°Π° ΡΠΎΡΡΠΎΡΠ±Π°: ΠΊΠΎΠ½Π·Π΅ΡΠ²Π°ΡΠΈΠ²Π΅Π½ ΡΡΠ΅ΡΠΌΠ°Π½, ΠΊΠΎΡ Π²ΠΊΠ»ΡΡΡΠ²Π° Π°Π½ΡΠΈΡ
ΠΈΠΏΠ΅ΡΡΠ΅Π½Π·ΠΈΠ²Π½Π° ΠΈ Π°Π½ΡΠΈΠΊΠΎΠ°Π³ΡΠ»Π°Π½ΡΠ½Π° ΡΠ΅ΡΠ°ΠΏΠΈΡΠ° ΠΈ ΠΈΠ½Π²Π°Π·ΠΈΠ²Π΅Π½ ΡΡΠ΅ΡΠΌΠ°Π½, ΡΠ΅Π½Π°Π»Π½Π° Π°ΡΡΠ΅ΡΠΈΠΎΠ³ΡΠ°ΡΠΈΡΠ° ΠΈ Π΅Π½Π΄ΠΎΠ²Π°ΡΠΊΡΠ»Π°ΡΠ½ΠΎ ΡΡΠ΅Π½ΡΠΈΡΠ°ΡΠ΅. ΠΠΎ ΠΎΠ²ΠΎΡ ΡΠ»ΡΡΠ°Ρ, Π½Π΅ΠΈΠ½Π²Π°Π·ΠΈΠ²Π½ΠΈΠΎΡ ΠΏΡΠΈΡΡΠ°ΠΏ ΡΠ΅ ΠΏΠΎΠΊΠ°ΠΆΠ° ΠΊΠ°ΠΊΠΎ Π½Π°ΡΠ΄ΠΎΠ±ΡΠ° ΠΌΠΎΠΆΠ½ΠΎΡΡ Π·Π° ΡΡΠΏΠ΅ΡΠ΅Π½ ΡΡΠ΅ΡΠΌΠ°Π½.
ΠΠ»ΡΡΠ½ΠΈ Π·Π±ΠΎΡΠΎΠ²ΠΈ: ΡΠ΅Π½Π°Π»Π΅Π½ ΠΈΠ½ΡΠ°ΡΠΊΡ, ΡΡΠΎΠΌΠ±ΠΎΠ·Π°, Π΄ΠΈΡΠ΅ΠΊΡΠΈΡ
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