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Comparisons
People often examine things and objects by comparing their similarities or differences in order to judge the specific characteristics, qualities and the degree of their merit. This category includes all the questions and answers to relate things with their similarities and to distinguish with their differences that decide their specific nature in contrast to their counterparts being compared.
3,466 Questions
Do organic compounds have a higher boiling point?
Higher than what?
Some organic compounds (e.g. propane, butane) have very very low boiling points making them gases at room temperature.
Certain inorganic compounds (e.g. tungsten carbide) have boiling points so high that before those compounds boiled all organic compounds would not only have boiled but would have decomposed into their elements or very simple inorganic carbon compounds (e.g. carbon monoxide, carbon dioxide).
How does the size of Hong Kong compare to Washington D.C.?
Hong Kong is six times larger than Washington, DC.
What is the difference between print and nonprint sources?
print source consists mostly of text ; nonprint sources consist mostly of images and sound
State the applications of linear convolution?
Convolution and related operations are found in many applications of engineering and mathematics. * In statistics, as noted above, a weighted moving average is a convolution. * In probability theory, the probability distribution of the sum of two independent random variables is the convolution of their individual distributions. * In optics, many kinds of "blur" are described by convolutions. A shadow (e.g. the shadow on the table when you hold your hand between the table and a light source) is the convolution of the shape of the light source that is casting the shadow and the object whose shadow is being cast. An out-of-focus photograph is the convolution of the sharp image with the shape of the iris diaphragm. The photographic term for this is bokeh. * Similarly, in digital image processing, convolutional filtering plays an important role in many important algorithms in edge detection and related processes. * In linear acoustics, an echo is the convolution of the original sound with a function representing the various objects that are reflecting it. * In artificial reverberation (digital signal processing, pro audio), convolution is used to map the impulse response of a real room on a digital audio signal (see previous and next point for additional information). * In electrical engineering and other disciplines, the output (response) of a (stationary, or time- or space-invariant) linear system is the convolution of the input (excitation) with the system's response to an impulse or Dirac delta function. See LTI system theory and digital signal processing. * In time-resolved fluorescence spectroscopy, the excitation signal can be treated as a chain of delta pulses, and the measured fluorescence is a sum of exponential decays from each delta pulse. * In physics, wherever there is a linear system with a "superposition principle", a convolution operation makes an appearance. * This is the fundamental problem term in the Navier Stokes Equations relating to the Clay Institute of Mathematics Millennium Problem and the associated million dollar prize. * In digital signal processing, frequency filtering can be simplified by convolving two functions (data with a filter) in the time domain, which is analogous to multiplying the data with a filter in the frequency domain
What is the difference between bacterial cidal and bacterial static?
Bacterial cidal kills the bacteria, while bacterial static only stops it from growing and reproducing.
It is also known as 'cross-border comparisons'
The level of GDP in different countries may be compared by converting their value in national currency according to either the current currency exchange rate, or the purchase power parity exchange rate.
- Current currency exchange rate is the exchange rate in the international currency market.
- Purchasing power parity exchange rate is the exchange rate based on the purchasing power parity (PPP) of a currency relative to a selected standard (usually the US dollar). This is a comparative (and theoretical) exchange rate, the only way to directly realize this rate is to sell an entire CPI basket in one country, convert the cash at the currency market rate & then rebuy that same basket of goods in the other country (with the converted cash). Going from country to country, the distribution of prices within the basket will vary; typically, non-tradable purchases will consume a greater proportion of the basket's total cost in the higher GDP country, per the Balassa-Samuelson effect.
The ranking of countries may differ significantly based on which method is used.
- The current exchange rate method converts the value of goods and services using global currency exchange rates. The method can offer better indications of a country's international purchasing power and relative economic strength. For instance, if 10% of GDP is being spent on buying hi-tech foreign arms, the number of weapons purchased is entirely governed by current exchange rates, since arms are a traded product bought on the international market. There is no meaningful 'local' price distinct from the international price for high technology goods.
- The purchasing power parity method accounts for the relative effective domestic purchasing power of the average producer or consumer within an economy. The method can provide a better indicator of the living standards of less developed countries, because it compensates for the weakness of local currencies in the international markets. For example, India ranks 11th by nominal GDP, but fourth by PPP. The PPP method of GDP conversion is more relevant to non-traded goods and services.
There is a clear pattern of the purchasing power parity method decreasing the disparity in GDP between high and low income (GDP) countries, as compared to the current exchange rate method. This finding is called the Penn effect.
Are weighing the pros and cons important in decision making?
Weighing the pros and cons is the most used method in decision making. By writing the pros and cons of a problem down on a piece of paper, you get a visual layout of the decision that needs to be made.
What are the pros and cons of the Sky Box HD?
Pros for the Sky Box HD is that it can hold a lot of storage on it so that one can tape more shows or movies. A downside about it is that the sound can be limited.
the hydrophilic easier than hydrophobic substances
What is the difference between a barrier beaches and a beaches?
They are very similar, but barrier beaches form in front of a inlet or harbour, but bars from where the sea and a river meet
What is the definition of ritzy?
Ritzy means "an impressive display of wealth," usually signalling that one cannot afford to stay around long, i.e., the restaurant, hotel, clothing store--or whatever--will probably cost half a year's salary for the speaker.
a steep slope is watching twilight saga new moon with your girlfriend :)
Secondary - derived from the primary
Opinion - a conclusion held with confidence but without definitive proof
A secondary opinion is an opinion from a secondary source after an opinion has already been given by the primary source. The secondary opinion may agree with or be in disagreeance with the primary opinion. For example, some people may visit their doctor and not be confident with his diagnosis of their symptoms, so they visit a second doctor, describing the same symptoms from the primary diagnosis, to get a secondary opinion.
Then the output work is less than the input work. That description applies
to every machine that has ever been built or will ever be built.
What are the similarities between comprehensible input and comprehensible output?
Both of the theories enhance the prior knowledge and improve the abilities of students to comprehend (input) the language and achieve the fluency (output) in it.
What are the pros and cons of division of labor?
what is the advantages and disadvantages of the division of labour
How many times greater is 8 Pounds than 8 Pence?
100 times. 8 pence is represented as the 0.08 if you multiply this number by 100 then you will get 8.
What is the difference between rules and principles?
A rule is the specific application of a principle. Both principles are rules imply something established as a standard or test, for measuring, regulating or guiding conduct
What are the pros and cons of retraining?
Retraining offers several benefits, including the opportunity for individuals to acquire new skills, adapt to changing job markets, and enhance career prospects. It can also help organizations retain talent and promote employee satisfaction. However, retraining can be time-consuming and costly, both for employees and employers, and there may be challenges in ensuring that the new skills align with market demands. Additionally, some individuals may resist change or feel uncertain about transitioning to new roles.
Examples of mechanical mixtures?
Relish, oil, vinegar, pizza. granola bar, salad. cerealchicken noodle soup
