albert einstein, who developed the theory of relativity, arrived at this theory through mathematics.
we can heat the steel again to a temperature below the critical temperature, then cool it slowly.
we should point out, however, that all electrical systems are not conservative.
public opinion is demanding more and more urgently that something must be done about noise.
the ce circuit is widely favored since it can be designed for good voltage and current gains.
dust has a very important part to play in the work of nature.
a magnet in a magnetic field will be subject to a force.
this paper gives an introduction to a new method for radar target recognition.
the elements in group 1 are called alkali metals.
the proof of the theorem is not difficult.
the acceleration due to gravity is essentially constant.
this current is extremely all and can be neglected.
blow on the mirror and it will soon be covered with little drops of water.
accuracy is expressed as absolute error or relative error.
there are three main laws of mechanics or three laws of newton.
due to its importance, this device will be dealt with in detail.
many scientists have been devoted to the development and application of computers since their invention.
in this case, overflow（溢出） can occur, and its detection is discussed later in this section.
hardware designers may be able to cut costs through loading the digital signal processing with multiple tasks.
efficiencies of as much as 99% are achieved in large transformers.
it is necessary to prevent induction motors against overload and undervoltage.
engineers may find the book of great value.
this is a sufficient and necessary condition for the solution of the equation.
this circuit is similar in operation to the circuit of fig.1-10.
by varying vbe only a few hundredths of a volt, the base(基极) current can be changed significantly.
the area of a is three times larger than that of b.
from 1970 to 1974, the production of transistor radios was increased by a factor of six.
the output of this factory now is 5 times what it was ten years ago.
the capacitance will decrease by 750 parts per million per each degree rise in temperature.
note that the words “velocity” and “speed” require extra explanation.
light from the sun is a mixture of light of many different colors.
the lack of resistance in very cold metals may become useful in electronic computers.
it requires a systematic approach to change behaviors or create new ones that have not previously existed.
it is desired to allow these agents (代理) to communicate (send/receive data to/from each other) with each other.
having obtained the initial conditions, we go on to solve the network differential equations.
this current changing, the magnetic field will change as well.
each address in memory is assigned a number.
the process by which energy is changed from one form into another is called the transformation of energy.
salt is known to have a very strong corroding effect on metals.
radars have been used extensively for mapping geological structures and features.
x-rays have a shorter wavelength than light rays.
the new cpu features high speed and low voltage.
some conductors have resistances which depend on the currents flowing through them.
it is of interest that every function can be approximated by simple functions.
what we need is to make large-scale mechanized food production less carbon-intensive and more sustainable.
the idea that electricity cannot be created or destroyed may seem to imply that electrons and protons cannot be created or destroyed.
among the most noteworthy achievements of the 19th century science was the realization that light consists of electromagnetic waves.
the great difficulty of introducing radically new computer architectures which requires customers to rewrite most of their software excluded the possibility for these techniques to find their way to the commercial marketplace.
with the introduction of the electronic computer, there is not a single complicated problem but can be solved in a few hours.
heat is developed whenever friction forces are present.
it is desired that the switch produce only one clock pulse each time it is closed.
it is this impedance with which we are concerned.
this value is less than or equal to unity.
if we were to place a body in the gravitational field, it would experience a force along whatever line of force it was on.
it was not clear at that time why it was that this phenomenon happened in a semiconductor.
the speed with which sound waves move through a medium does depend on the properties of the medium.
it is necessary to find the current through and the voltage across the capacitor.
it is not difficult to obtain a relationship among d, v, c, and f that does not directly involve the time t.
astronomers and scientists think that a black hole is a region of space into which matter has fallen and from which nothing can escape--not even light.
albert einstein, who developed the theory of relativity, arrived at this theory through mathematics.
the chemist found that there were impurities in the solution.
in this case, overflow（溢出） can occur, and its detection is discussed later in this section.
it is necessary to prevent induction motors against overload and undervoltage.
it is necessary to move information among the registers without restriction.
by varying v only a few hundredths of a volt, the base(基极) current can be changed significantly.
light from the sun is a mixture of light of many different colors.
it is not necessary to deploy different applications on different servers just to isolate one application from another.
this is equivalent to the statement that there is no gravity in space.
what makes an information explosion so worrisome is that information is not a tool or a technology.
albert einstein, who developed the theory of relativity, arrived at this theory through mathematics.
the chemist found that there were impurities in the solution.
in this case, overflow（溢出） can occur, and its detection is discussed later in this section.
it is necessary to prevent induction motors against overload and undervoltage.
it is necessary to move information among the registers without restriction.
by varying v only a few hundredths of a volt, the base(基极) current can be changed significantly.
light from the sun is a mixture of light of many different colors.
it is not necessary to deploy different applications on different servers just to isolate one application from another.
this is equivalent to the statement that there is no gravity in space.
what makes an information explosion so worrisome is that information is not a tool or a technology.