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wyszukanych pozycji: 38
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Efici?ncia de bact?rias vivas e paredes celulares bacterianas na bioabsor??o de chumbo
ISBN: 9786206929062 / Portugalski Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
224,25 |
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Efficiency of living bacteria and bacterial Cell Walls in Lead Biosorption
ISBN: 9783330037601 / Angielski / Miękka / 2017 / 100 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
224,25 |
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Efficienza dei batteri vivi e delle pareti cellulari batteriche nel biosorp del piombo
ISBN: 9786206929048 / Włoski Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
224,25 |
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Q-Switching and Mode-Locking by Zirconia-Erbium Doped Fibres
ISBN: 9783639518801 / Angielski / Miękka / 2014 / 192 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Zirconia-Erbium doped Fibers are a novel type of highly-doped fiber that allows high erbium ion concentrations to be realized in a short length of fiber without the detrimental effects of ion clustering and concentration quenching. The fiber has a multitude of novel applications, including the generation of compact optical amplifiers and single-longitudinal mode lasers. A particularly interesting application of the fiber is the development of compact fast and ultrafast pulse lasers together with carbon allotropes as passive saturable absorbers. This new systems will have high potential for a...
Zirconia-Erbium doped Fibers are a novel type of highly-doped fiber that allows high erbium ion concentrations to be realized in a short length of fib...
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cena:
359,07 |
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Preparazione dell'ibrido con il metodo sol-gel
ISBN: 9786139679751 / Włoski / Miękka / 2025 / 120 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
278,18 |
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Przygotowanie hybrydy metoda zol-zelowa
ISBN: 9786139679003 / Polski / Miękka / 2025 / 124 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
278,18 |
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Preparação de híbridos pelo método sol-gel
ISBN: 9786139623983 / Portugalski / Miękka / 2025 / 120 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
278,18 |
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Herstellung von Hybriden durch Sol-Gel-Verfahren
ISBN: 9786139678945 / Niemiecki / Miękka / 2025 / 124 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Der Einfluss des Wassergehalts in unterschiedlichen Verhältnissen für Wasser/Tetraethylorthosilikat (H2O/TEOS-Molverhältnis) (R=2,3,4 und 5) wurde untersucht. R=2 wurde als bestes Verhältnis für die Zugabe von organischen Polymeren (PMMA&PVC) zur Herstellung von Filmen aus organisch-anorganischen Materialien und organischen Farbstoffen zur Herstellung von Filmen aus Hybridmaterialien ausgewählt. Es wurden zwei Formen von Siliziumdioxid hergestellt. Der Siliziumdioxid-Xerogel-Stab wurde durch Formpressen hergestellt, und die Siliziumdioxid-Dünnschicht wurde durch Spin-Coating...
Der Einfluss des Wassergehalts in unterschiedlichen Verhältnissen für Wasser/Tetraethylorthosilikat (H2O/TEOS-Molverhältnis) (R=2,3,4 und 5) wurde ...
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cena:
278,18 |
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Préparation d'un hybride par la méthode sol-gel
ISBN: 9786139678952 / Francuski / Miękka / 2025 / 124 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. L'effet de la teneur en eau dans différents rapports eau/tétraéthylorthosilicate (rapport molaire H2O/TEOS) (R = 2, 3, 4 et 5) a été étudié. R = 2 a été choisi comme meilleur rapport pour l'ajout de polymères organiques (PMMA et PVC) afin de préparer des films à partir de matériaux organiques-inorganiques et de colorants organiques afin de préparer des films de matériaux hybrides. Deux formes de silice ont été préparées. Une tige de xérogel de silice a été préparée par moulage et un film mince de silice a été préparé par revêtement par centrifugation. Des films...
L'effet de la teneur en eau dans différents rapports eau/tétraéthylorthosilicate (rapport molaire H2O/TEOS) (R = 2, 3, 4 et 5) a été étudié. R ...
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cena:
278,18 |
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L-Band Bismuth-Based Erbium-Doped Fibre Amplifier
ISBN: 9783847303770 / Angielski / Miękka / 2012 / 144 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Characterization study of Bismuth-based Erbium-doped Fibre (Bi-EDF) and its performance as gain medium for L-band Erbium-doped Fibre Amplifier (EDFA) is studied. Bismuth oxide glass host enables very high erbium doping concentration without significant concentration quenching effect. The Bi-EDF studied is only 2.15m long with Erbium ion concentration of 3,250 wt. ppm. corresponding to a maximum absorption coefficient of 157.61dB/m at 1530nm. With optimum excitation, Bi-EDFA exhibits small signal gain bandwidth of over 70nm ranging from 1550nm to 1620nm. Maximum signal gain per length...
Characterization study of Bismuth-based Erbium-doped Fibre (Bi-EDF) and its performance as gain medium for L-band Erbium-doped Fibre Amplifier (EDFA) ...
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cena:
265,15 |
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Multiwavelength Devices using Semiconductor Optical Amplifiers (SOAs)
ISBN: 9783845434827 / Angielski / Miękka / 164 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Fibre based multi-wavelength lasers are highly useful optical components with significant applications as cheap and compact signal sources for a variety of applications. Fibre multi-wavelength sources are of special interest due to their low cost-per-wavelength and their compatibility with the normal silica-based optical fibres used for transmission in modern optical networks. Multi-wavelength laser sources based on the Semiconductor Optical Amplifier represent the next stage of evolution in multi-wavelength sources for fibre optics; compact, energy-efficient, and simple to build. They also...
Fibre based multi-wavelength lasers are highly useful optical components with significant applications as cheap and compact signal sources for a varie...
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cena:
305,59 |
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Integrated Micro-Ring Photonics: Principles and Applications as Slow Light Devices, Soliton Generation and Optical Transmission
ISBN: 9780367873707 / Angielski / Miękka / 2019 / 164 str. Termin realizacji zamówienia: ok. 16-18 dni roboczych. |
cena:
257,23 |
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CIGS Absorber Layer for Solar Cell
ISBN: 9783330055872 / Angielski / Miękka / 2017 / 168 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
291,66 |
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Dynamical Properties of Polymer Matrix Composites by Ultrasonic Waves
ISBN: 9786139869787 / Angielski / Miękka / 2018 / 124 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
246,72 |
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CIGS Absorber Layer for Solar Cell. 2nd Edition
ISBN: 9786208467562 / Angielski / Miękka / 2025 / 168 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. CIGS absorber layer was synthesized as solution and powder using of compounds Cu (NO3)3.H2O, InCl3, Ga(NO3)3.6H2O and H2SeO3. The first stage of preparing CIGS ink was to prepare liquid and powder of Gallium nitrate hydrate Ga(NO3)3.6H2O , FTIR analysis was used to identify the chemical structure of Gallium nitrate hydrate and CIGS ink.The ink solution was diluted to different concentrations (12.5, 25, 50 and 100) %. This solution was prepared as powder using different temperatures (200, 350 ,450,500 and 525)oC ,measurements was carried out to investigate the properties of this powder...
CIGS absorber layer was synthesized as solution and powder using of compounds Cu (NO3)3.H2O, InCl3, Ga(NO3)3.6H2O and H2SeO3. The first stage of prepa...
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cena:
359,07 |
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Preparation of hybrid by sol-gel method
ISBN: 9783659371240 / Angielski / Miękka / 2015 / 140 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. The effect of water content in different ratio for water/Tetraethylorthosilicate (H2O/TEOS molar ratio) (R=2,3,4,and 5) was studied . R=2 was chosen as best ratio for adding organic polymers (PMMA&PVC) to prepare films from organic -inorganic materials and organic dye to prepare films of hybrid materials. Two silica forms were prepared. Silica xerogel rod was Prepared by molding method and silica thin film were prepared spin coating method. Organic-inorganic hybrids films were prepared with different mixing ratios(20%Polymer+80%TEOS,50%Polymer+50%TEOS,80%Polymer +20% TEOS). The of X-ray...
The effect of water content in different ratio for water/Tetraethylorthosilicate (H2O/TEOS molar ratio) (R=2,3,4,and 5) was studied . R=2 was chosen a...
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cena:
278,18 |
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Four Wave Mixing in a Highly Nonlinear Media
ISBN: 9783659349324 / Angielski / Miękka / 2014 / 304 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. This work presents a comprehensive study of the four wave mixing (FWM) effect in the highly nonlinear fibre (HNLF) and semiconductor optical amplifier (SOA); and their applications. The nonlinearity parameters such as zero-dispersion wavelength (ZDW), chromatic dispersion (CD) and nonlinear coefficient of HNLF has successfully investigated by using several FWM techniques. Results from all techniques have been achieved approximately similar to the manufacturer specification. This technique is then employed for the measurement of the FWM power and FWM efficiency in a SOA, in addition to the...
This work presents a comprehensive study of the four wave mixing (FWM) effect in the highly nonlinear fibre (HNLF) and semiconductor optical amplifier...
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cena:
372,55 |
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Tnf- And Il-6 After Surgical Removal of Impacted Lower Wisdom Tooth
ISBN: 9783659382321 / Angielski / Miękka / 2013 / 116 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. The surgical removal of impacted mandibular third molars (wisdom)tooth produces a significant degree of tissue trauma that causes an inflammatory reaction. The latter produces the usual postoperative signs and symptoms such as pain, facial oedema, and limited mouth opening due to muscle spasm (trismus). Cytokines are small secreted proteins which mediate and regulate immunity, inflammation, and hematopoietic. They are produced in response to an immune stimulus. They generally, although not always, act over short distances and short time spans and at very low concentration. This book describe...
The surgical removal of impacted mandibular third molars (wisdom)tooth produces a significant degree of tissue trauma that causes an inflammatory reac...
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cena:
224,25 |
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