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wyszukanych pozycji: 8
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Communication Gap Regarding Citrus Production in Punjab, Pakistan
ISBN: 9783659389993 / Angielski / Miękka / 2013 / 140 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Citrus is the leading fruit of Pakistan especially the kinnow cultivar which is famous in the entire world because of its fascinating taste and quality.Despite of that production of citrus in Pakistan is almost half of its potential. Several factors are responsible for this tragic loss but communication gap between Extension Field Staff and citrus growers is vital. This gap hinders the awareness and adoption of improved production practices among growers. In this book various factors responsible for the existing gap have been probed. To attain up to the mark production, existing gap need to...
Citrus is the leading fruit of Pakistan especially the kinnow cultivar which is famous in the entire world because of its fascinating taste and qualit...
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cena:
250,04 |
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A Tribological Study of I.C. Engine Exhaust Valve
ISBN: 9786200005052 / Angielski Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
245,56 |
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Uno studio tribologico della valvola di scarico del motore a corrente alternata
ISBN: 9786204585581 / Włoski / Miękka / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
245,56 |
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Um Estudo Tribológico da Válvula de Escape do Motor I.C.
ISBN: 9786204585574 / Portugalski / Miękka / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
cena:
245,56 |
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Tribologische Untersuchung eines Auslassventils eines Verbrennungsmotors
ISBN: 9786204585611 / Miękka / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Die häufige Belastung der Auslassventile von Verbrennungsmotoren besteht in einem Mikrogleiten unter den Bedingungen hoher und wechselnder Temperaturen in Gegenwart komplexer Abgastypen und Partikel. Daher ist es zwingend erforderlich, dass Auslassventile höheren Temperaturbereichen und thermischen Belastungen standhalten und korrosionsbeständig sind. Die Studie zielt darauf ab, den Verschleißmechanismus von Auslassventilen zu verstehen, indem das tribologische Verhalten von 23-8N-Ventilstahl gegen die Gegenfläche aus GGG-60-Gusseisen (Ventilsitz) und die Auswirkung der Bildung von...
Die häufige Belastung der Auslassventile von Verbrennungsmotoren besteht in einem Mikrogleiten unter den Bedingungen hoher und wechselnder Temperatur...
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cena:
245,56 |
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Étude tribologique de la soupape d'échappement d'un moteur à combustion interne
ISBN: 9786204585598 / Francuski / Miękka / 96 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. L'impact fréquent de la soupape d'échappement des moteurs à combustion interne implique un micro-glissement dans des conditions de températures élevées et variables en présence d'une chimie complexe des gaz d'échappement et de particules. Il est donc impératif que les soupapes d'échappement résistent à des plages de températures plus élevées et à des contraintes thermiques, ainsi qu'à la corrosion. L'étude vise à comprendre le mécanisme d'usure des soupapes d'échappement en étudiant le comportement tribologique de l'acier de soupape 23-8N contre la contre-face en fonte...
L'impact fréquent de la soupape d'échappement des moteurs à combustion interne implique un micro-glissement dans des conditions de températures é...
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cena:
245,56 |
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Servo-Pneumatic Systems
ISBN: 9783838357898 / Angielski / Miękka / 2010 / 192 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Substantial research efforts have been spent over the last two decades on improving the modelling, control, and design of pneumatic systems, which resulted in a potential growth for their market. This increasing acceptance for pneumatic technology is due to their economy and simplicity compared to other technologies of equivalent performance in terms of robustness, simplicity, and cost-effectiveness. However, servo-pneumatic applications are still limited compared to their electric and hydraulic counterparts. One of the restricting factors preventing wider applications of pneumatic systems...
Substantial research efforts have been spent over the last two decades on improving the modelling, control, and design of pneumatic systems, which res...
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cena:
304,16 |
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Real Time Identification & Control of Pneumatic Systems
ISBN: 9783846518984 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. Servo pneumatic systems have properties that can make them favorable for servo applications. The actuators themselves are of simple construction, making them low in cost. They have a high power-to-weight ratio. Compressed air is readily available in most industrial environments. Air is highly compressible, which makes the systems behavior highly non-linear, and designing a controller for such systems very complicated. The complexity arises in acquiring the system s transfer function accurately, which causes a great difficulty in servo-pneumatic system modeling and control, Moreover, it is...
Servo pneumatic systems have properties that can make them favorable for servo applications. The actuators themselves are of simple construction, maki...
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cena:
219,18 |
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