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Q: What Standard Building Techniques are used to ensure that structures can withstand forces placed upon them?
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There are other techniques for counting bacteria such as a direct microscopic count and turbidity Why is the standard plate count preferrend for food?

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Could the destruction of Haiti earthquake be reduced?

Yes, If the buildings in Port au Prince had been built to a standard which could withstand earthquakes they would not have collapsed in the earthquake and fewer people would have been hurt or killed.


What procedure is followed in tube enterostomy?

Whether through a standard operation or with laparascopic surgical techniques, the surgeon fashions a stoma or opening into the esophagus, stomach or intestines, and inserts a tube from the outside


What time zone lies between the eastern standard and mountain standard tine zones?

The Central Standard time zone lies between the Eastern Standard and Mountain Standard time zone.


What is the limit of resolution of the transmission electron microscope?

Limitations of standard optical microscopy (bright field microscopy) lie in three areas;The technique can only image dark or strongly refracting objects effectively.Diffraction limits resolution to approximately 0.2 micrometre (see: microscope).Out of focus light from points outside the focal plane reduces image clarity.Live cells in particular generally lack sufficient contrast to be studied successfully, internal structures of the cell are colourless and transparent. The most common way to increase contrast is to stain the different structures with selective dyes, but this involves killing and fixing the sample. Staining may also introduce artifacts, apparent structural details that are caused by the processing of the specimen and are thus not a legitimate feature of the specimen.These limitations have all been overcome to some extent by specific microscopy techniques that can non-invasively increase the contrast of the image. In general, these techniques make use of differences in the refractive index of cell structures. It is comparable to looking through a glass window: you (bright field microscopy) don't see the glass but merely the dirt on the glass. There is however a difference as glass is a denser material, and this creates a difference in phase of the light passing through. The human eye is not sensitive to this difference in phase but clever optical solutions have been thought out to change this difference in phase into a difference in amplitude (light intensity

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