Active and Passive Voice


In the active voice, the subject of the sentence performs the action:
I aced the exam.
Subject/actor verb object/thing acted on
In the passive voice, the object of the action becomes the subject of the sentence, and
the actor appears in a prepositional phrase, or is absent from the sentence:
The exam was aced (by me).
Subject verb actor/object of prepositional phrase
Use the active voice when the actor s identity is important.
Active: The butler did it. ....etc

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to get information about the topic ethernet passive optical networks full report ppt and related topic refer the page link bellow

http://seminarsprojects.net/Thread-ethernet-passive-optical-networks

http://seminarsprojects.net/Thread-gigabit-ethernet-passive-optical-network-ge-pon ....etc

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Abstract
A Gigabit Ethernet passive optical network (GE-PON)
The GE-PON includes an optical line terminal (OLT), a plurality of optical couplers, and a plurality of optical network units (ONUs). The OLT sets up an active page link and a standby page link in response to a registration request message received over an optical cable. Each of the ONUs is doubly connected with the OLT via the optical cable and is adapted to transmit the registration request message to the OLT, form the active page link with the OLT via the optical cable if it rec ....etc

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Solar thermal technologies for buildings : the state of the art
.
ABSTRACT:

Examines how solar thermal technologies can be implemented in building design to achieve the optimum of energy efficiency and thermal comfort * Presents the collaborative work of 16 internationally recognized experts on the most current theory and practice Solar thermal is now a proven technology in terms of reliability, cost-benefit, and low environmental impact. The integration of solar thermal systems and installations ....etc

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Locally Adaptive Passive Error Concealment
for Wavelet Coded Images

Joost Rombaut, Aleksandra Pi zurica, Member, IEE, and Wilfried Philips, Member, IEE



Abstract

This letter presents a novel locally adaptive error concealment
method for subband coded images. For each lost low-frequency
coefficient, we estimate the optimal interpolation weights
from its neighborhood. The calculation of the interpolation weights
is optimized in the mean squared error sense, and it takes into account
the error ....etc

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to get information about the topic Passive Solar Buildings full report ppt and related topic refer the page link bellow
http://seminarsprojects.net/Thread-passive-solar-buildings--2200

http://seminarsprojects.net/Thread-passive-solar-buildings?pid=51215 ....etc

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In passive solar building design, windows, walls, and floors are made to collect, store, and distribute solar energy in the form of heat in the winter and reject solar heat in the summer. This is called passive solar design because, unlike active solar heating systems, it does not involve the use of mechanical and electrical devices.

The key to design a passive solar building is to best take advantage of the local climate performing an accurate site analysis. Elements to be considered include window placement and size, and glazing type, the ....etc

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Stereoscopic Passive Millimeter-Wave Imaging and Ranging

Thomas L thi and Christian M tzler, Senior Member, IEE


Abstract

This paper presents the first stereoscopic range measurements
at a wavelength of 3.3 mmand discusses the accuracy of
this new method. The synthesis of passive millimeter-wave imaging
and stereoscopy combines the advantages of both principles, naturally
looking high-contrast images and superior poor-weather performance
(compared to visible and infrared wavelengths), as well
as the pas ....etc

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Passive solar heating and cooling represents an important strategy for displacing traditional energy sources in buildings. Passive solar techniques make use of the steady supply of solar energy by means of building designs that carefully balance their energy requirements with the building's site and window orientation. The term passive indicates that no additional mechanical equipment is used, other than the normal building elements. In this approach, the building itself or some element of it takes advantage of natural energy characteristics in ....etc

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The solar house: passive heating and cooling

ABSTRACT:

Passive solar heating and passive cooling approaches known as natural conditioning provide comfort throughout the year by reducing, or eliminating, the need for fossil fuel. Yet while heat from sunlight and ventilation from breezes is free for the taking, few modern architects or builders really understand the principles involved.
ISBN: 1931498121 ....etc

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