Spring used a Brush surface-analyzer in a metal-cleaning study and showed considerable differences in soil removal, depending upon surface roughness.

Carpenter's study showed that female common garter and ribbon snakes of Michigan mature at about the age of two.

Their study showed that it was possible to transfer 3 to 4 lb of oxygen / hr. / hp.

A study on the relationship happiness to various character strengths showed that “ a conscious focus on gratitude led to reductions in negative affect and increases in optimistic appraisals, positive affect, offering emotional support, sleep quality, and well-being .”

The psychologist David H. Barlow of Boston University conducted a study that showed three common characteristics of people suffering from chronic anxiety, which he characterized as " a generalized biological vulnerability ," " a generalized psychological vulnerability ," and " a specific psychological vulnerability.

) This was changed because a government study showed that many people were in effect " saving up " their units and using them at the end of the week, a phenomenon referred to as binge drinking.

( 1990 ) carried out a radial velocity ( Doppler shift of spectral lines ) study of the star in April and May 1988, which showed variability with a frequency of the order of a few microhertz, the highest peak corresponding to 4. 3 μHz ( 2. 7 days ) with an amplitude of 60 ms < sup >− 1 </ sup >, with a frequency separation of ~ 5 μHz.

The first large-scale trial evaluating the efficacy of BCG was conducted from 1956 to 1963, and involved 54, 239 school children who received BCG at the age of 14 or 15 ; this study showed an efficacy of 84 % up to five years after immunization.

The MRC study showed protection waned to 59 % after 15 years and to zero after 20 years ; however, a study looking at native Americans immunized in the 1930s found evidence of protection even 60 years after immunization, with only a slight waning in efficacy.

A recent study has showed that these nylon-3 polymers can either mimic host defense peptides or act as signals to stimulate 3T3 stem cell function.

A 2005 study by researchers at Ghent University in Belgium showed that subclinical iron deficiency ( anemia ) was a strong predictor of bacterial vaginosis in pregnant women.

A longitudinal study published in February 2006 in the American Journal of Obstetrics and Gynecology showed a link between psychosocial stress and bacterial vaginosis independent of other risk factors.

The cane toad has a high tolerance to water loss — one study showed some can withstand a 52. 6 % loss of body water, allowing them to survive outside tropical environments.

Some evidence indicates that during armoured combat the intention was to actually get around the armour rather than through it — according to a study of skeletons found in Visby, Sweden, a majority of the skeletons showed wounds on less well protected legs.

A study showed that of 100 coyotes collected in Maine, 22 had half or more wolf ancestry, and one was 89 % wolf.

A recent study showed that there is a bivalent structure present in the chromatin: methylated lysine residues at location 4 and 27 on histone 3.

A 1998 case study showed that software engineering majors who successfully completed a technical writing course created capstone experience projects that were more mindful of end user design than the projects completed by their peers.

A 1998 DNA study showed a match between the Jefferson male line and a male descendant of Sally Hemings.

Another study shows that people who experience SWS during the first half of their sleep cycle compared to subjects who did not, showed better recall of information.

A 2008 study published in the American Journal of Preventive Medicine showed that dieters who kept a daily food diary ( or diet journal ), lost twice as much weight as those who did not keep a food log, suggesting that if you write your food down, you wouldn't eat as many calories.

A second study showed that poxvirus, baculovirus and the animal herpesviruses form separate and distinct clades.

A study in 1991 showed that $ 20. 1 million came from sales related to waterfowl hunting along the Detroit River.

A study of American college students published in Nature showed that people are willing to pay to reduce inequality.

In a follow-up study, Swiss children showed a significant increase in sharing between the ages of 3 and 8.

In 2001, a Mothers Against Drunk Driving ( MADD ) chapter conducted a small unscientific study in Massachusetts, in which teens stood in front of 15 stores and asked 100 adults apparently over the age of 21 to buy them alcohol.

If living Jews were unavailable for study, the Bible was at hand.

Dr. Isaacs was so pleased with the quality of her biographical study of Sara Sullam that he considered submitting it to the Century Magazine or Harper's but he decided that its Jewish subject probably would not interest them and published it in The Messenger, `` so our readers will be benefited instead ''.

As far as I'm concerned, it was a separate matter from the general Committee study of Bang-Jensen's conduct.

With her son evidencing so strong a musical bent his mother could do little else but get him started on the study of music -- though she waited until he was ten -- beginning with the piano and following that with the trumpet.

Victor's book on John Lloyd Stephens was largely written in my study in the house at Weston.

A study at the Pentagon and at the service academies revealed that nothing was being done there.

Far away, standing before a curtained window in the study room, was his father, hands tucked under his coattails, and staring into the dark church.

He didn't, but it was not really a question, and so he left the room, walked down the hall to the front of the apartment, hesitated, and then knocked lightly on the closed door of the study.

The telephone was in the study but the ringing came from the hall.

The apex, the study where Eugene slept, was light and bright and airy and cheerful.

In one of these, an exploding-wire device to study systems thermodynamically up to 6,000 Af and 100 atmospheres pressure, a major goal was achieved.

A wall-stabilized high-current arc source was constructed and used to study transition probabilities of atomic hydrogen and oxygen.

The decision reached in 1938-39 was made after the accumulation of a large amount of data and thorough study thereof.

Never a `` quick study '', he now made no attempt to learn his `` lines '' and many a mile of film was wasted, many a scene -- sometimes involving as many as a thousand fellow thespians -- was taken thirty, forty, fifty times because Miss Poitrine's co-star and `` helpmate '' had never learned his part.

A detailed study of this latter phenomenon was not attempted in this paper.

It was stated earlier that one purpose of this study was to extend the analysis of variability of Onset and Completion in each of the 21 growth centers somewhat beyond that provided by the data in Tables 1 and 2.

For example, the steering committee might announce that the group felt a topic under study should not be dropped for an additional week as there was still too much of it untouched.

There was a particularly marvelous opportunity for study in this area since almost every stage of pregnancy was represented, from a childless couple to and including every trimester.

Although the Taylor Scale was designed as a group testing device, in this study it was individually administered by psychologically trained workers who established rapport and assisted the children in reading the items.

The battery median grade-equivalent was used in data analysis in this study.

Although the present study was not a direct replication of their investigations, the results do not confirm their conclusion.