Hence I can see no reason to doubt that natural selection might be most effective in giving the proper colour to each kind of grouse, and in keeping that colour, when once acquired, true and constant.

While it is advantageous to have a high-grade base oil in a lubricant, proper selection of the lubricant additives is equally as important.

Using the concept of the impossibility of a gambling system, von Mises defined an infinite sequence of zeros and ones as random if it is not biased by having the frequency stability property i. e. the frequency of zeros goes to 1 / 2 and every sub-sequence we can select from it by a " proper " method of selection is also not biased.

Von Mises never totally formalized his definition of a proper selection rule for sub-sequences, but in 1940 Alonzo Church defined it as any recursive function which having read the first N elements of the sequence decides if it wants to select element number N + 1.

After Hubert Walter's death in July 1205, the selection of a successor was hindered by doubts about what the proper procedure should be, something that commonly happened with elections to Canterbury.

He saw likewise that wealth often checks the proper action of sexual selection.

For proper selection, the cinematographer needs that all lenses be engraved with T-Stop, not f-stop, so that the eventual light loss due to the glass doesn't affect the exposure control when setting it using the usual meters.

With proper patient selection, laparoscopic fundoplication has low complication rates and a quick recovery.

However, long MD simulations are mathematically ill-conditioned, generating cumulative errors in numerical integration that can be minimized with proper selection of algorithms and parameters, but not eliminated entirely.

Given proper combustion chamber design, pre-ignition can generally be eliminated by proper spark plug selection, proper fuel / air mixture adjustment, and periodic cleaning of the combustion chambers.

The canoes were carved from western red cedar ( Thuja plicata ) through an intricate and arduous process requiring great skill, beginning with the selection of the proper tree.

By selection of parallel R and C elements in the proper proportions, the same division ratio can be maintained over a useful range of frequencies.

These different machines may not be comfortable for all users, so proper selection of PAP models may be very important in furthering adherence to therapy.

The mining engineer is responsible for the selection and proper placement of these explosives, in order to maximize efficiency and safety.

An understanding of what equipment will be used for during the life of the tires is required for proper selection.

The proper selection of filters requires familiarity with the emission spectrum and the excitation spectrum.

Careful selection of an antifreeze can enable a wide temperature range in which the mixture remains in the liquid phase, which is critical to efficient heat transfer and the proper functioning of heat exchangers.

Appropriate tissue matching, implant selection, and proper implantation technique, the re-operation rate was 3. 0 % at the 7-year-mark, compared with the re-operation rate of 20 % at the 3-year-mark, as reported by the U. S. Food and Drug Administration.

The outcome of a breast augmentation with fat-graft injections depends upon proper patient selection, preparation, and correct technique for recipient site expansion, and the harvesting, refining, and injecting of the autologous breast-filler fat.

However, once in battle, the player is not able to summon reinforcements, so proper troop selection between levels is a key to success.

Generally, the long-term rate of patient-satisfaction is high, provided that the indications for the liposuction-only technique are abided with proper patient selection.

The success rate of laminectomy depends on the specific reason for the operation, as well as proper patient selection and technical ability of the surgeon.

The proper selection process of the breed began only in the latter 19th century.

That kind of leadership selection process had never been tried in any parliament system before, and remains uncommon in the parliaments of the world today.

According to Moore, as long as that kind of leadership selection process remains in place, and concentrates power in the hands of the leader, as opposed to backbenchers, then coalition governments will be very difficult to form.

Williams was frequently critical of pitchers and their refusal to bring the related kind of strategic thinking to their pitch selection that he brought to hitting.

From a Darwinian perspective dreams would have to fulfill some kind of biological requirement or provide some benefit for natural selection to take place.

If fact, any e-text uses some selection of control characters, spaces, tabs, and the like to express some distinctions: Spaces between words are standard in English ; and 2 returns and 5 spaces makes something that looks like a common kind of paragraph.

This kind of loss of function can occur because of mutation bias, and / or because the function had a cost, and once the benefit of the function disappeared, natural selection leads to the loss.

Since natural selection is too slow, Gudykunst and Kim ( 2003 ) argue forcefully that creating conditions on a mass scale to inculcate this new, more developed and better kind of person is not only moral but will be a " special privilege " ( p. 389 ) for those so " trained " ( p. 359 ).

Attrition bias is a kind of selection bias caused by attrition ( loss of participants ), discounting trial subjects / tests that did not run to completion.

Turing offers a selection: Be kind, resourceful, beautiful, friendly, have initiative, have a sense of humour, tell right from wrong, make mistakes, fall in love, enjoy strawberries and cream, make someone fall in love with it, learn from experience, use words properly, be the subject of its own thought, have as much diversity of behaviour as a man, do something really new. Turing notes that " no support is usually offered for these statements ," and that they depend on naive assumptions about how versatile machines may be in the future, or are " disguised forms of the argument from consciousness.

While these spatial populations do not have well-defined groups for group selection, the local spatial interactions of organisms in transient groups are sufficient to lead to a kind of multi-level selection.

A second kind of selection also operates on the snail, whereby certain heterozygotes have a physiological advantage over the homozygotes.

By striking randomly and with deliberate senselessness at a collection of percussion instruments, the two ( as ' Tessier ' and ' Schmidt ') had produced a strenuously meaningless twelve-minute ' work ' of superficially ' avant-garde ' character ; this was completed by the addition of a selection of human whistling sounds ( evidently meant to represent the ' tape '), and with the resulting chaos being edited into some kind of whole by BBC technicians.

Bell compared legislative selection to the former County Unit System, a kind of electoral college formerly used in Georgia to select the governor but invalidated by the U. S. Supreme Court.

Testers using a selection of music have found that compressed files are about 40 % to 60 % the size of the originals depending on the kind of music, similar to other lossless formats.

A second kind of selection also operates on the snail, whereby certain heterozygotes have a physiological advantage over the homozygotes.

In plants, inbred backcross lines ( IBLs ) refers to lines ( i. e. populations ) of plants derived from the repeated backcrossing of a line with artificially recombinant DNA with the wild type, operating some kind of selection that can be phenotypical or through a molecular marker ( for the production of introgression lines ).

Bell compared legislative selection to the former County Unit System, a kind of electoral college formerly used in Georgia to select the governor but invalidated by the U. S. Supreme Court.

To Münsterberg the most pressing question was the " selection of those personalities which by their mental qualities are especially fit for a particular kind of economic work.

The kind of sexual selection represented by the peacock is called ' mate choice ', with an implication that the process selects the more fit over the less fit, and so has survival value.

He wrote later: " The Midwest Psychological Field Station was established to facilitate the study of human behavior and its environment in situ by bringing to psychological science the kind of opportunity long available to biologists: easy access to phenomena of the science unaltered by the selection and preparation that occur in laboratories.

The stock selection procedures given by Benjamin Graham himself are very specific and are intended to avoid exactly this kind of subjectivity by focusing on documented and objective past numbers, instead of subjective and predicted future ones.

A kind of cross between Pop Idol, Voces en Función, Star Search, and Big Brother, the show aimed to find the country's next solo singing sensation, putting a selection of hopefuls through their paces by getting them to sing a variety of cover versions of popular songs ( mainly in Spanish and English, but also sporadically in Italian or Portuguese ), with tutoring from various professionals, and a headmaster like a school ( first 3 series, Nina, 4 and 5 Kike Santander, 6 and 7 Àngel Llàcer ) and 8 with Nina.

The Puppeteer saw this as a kind of artificial selection, tending to breed for a psionic power of good luck.