Sentences with phrase «duration of exposure»

Due to a long duration of exposure, no person in the streets could be captured on the picture.

While it is important to minimise the frequency and duration of exposure of the teeth to sugar it is neither practical nor necessary to avoid sugar completely.

These studies have documented the correlations of age of first trauma exposure, trauma severity and duration of exposure with DTD symptoms.

In addition, the study found that opioid type and duration of exposure combined with tobacco use or selective serotonin reuptake inhibitor use (for treating depression and anxiety) augmented risks for NAS.

Light level and duration of exposure determine the impact of self - luminous tablets on melatonin suppression

Its extensive ice tongue makes it particularly susceptible to basal melt processes, due to the area and duration of exposure of the glacier base.

The study found that the longer duration of exposure to high concentrations of local anaesthetic was most harmful because it interferes with the function of mitochondria, the «batteries» of the cell, and induce a cell death mechanism named «autophagy.»

Many factors, including an individual's susceptibility to a substance, and the amount and duration of exposure, can affect whether a person will develop cancer.

Frequency rather than duration of exposure to images of graphic violence is more emotionally distressing to journalists processing User Generated Content (UGC) material.

I became interested in the effects of various aspects of light — such as time of day and duration of exposure — on circadian rhythm, sleep and performance.

Passengers remain at a destination an average of four days — a crucial data point, since a disease's transmission rate depends on the duration of exposure.

This results in the accumulation of precise mutations (stars in green cells) as a function of the magnitude and duration of exposure to the input.

«These findings, though speculative, may suggest that exogenous estrogen induces some persistent change in the pancreas for which the duration of exposure may be important.»

At the right dose and duration of exposure, mercury can impair a person's memory, ability to learn, and behavior; it can also damage the heart and immune system.

Ms Pattinson said it is known the timing, intensity and duration of exposure to both artificial and natural light have acute biological effects in mammals.

He noted that such complex responses to differences in dose, timing, and duration of exposure may underlie the inconsistencies in published studies of the relationship between blood levels of manganese in humans and neurobehavioral deficits.

According to Smith, the dependence of toxicity on the dose as well as the timing and duration of exposure is complicated for a substance like manganese that also has a beneficial biological function.

This science - based risk assessment helps scientists determine the difference between the magnitude and duration of exposure that can produce adverse effects, and the typical exposures experienced by humans and wildlife.

«The levels and duration of exposure to radiofrequency radiation were much greater than what people experience with even the highest level of cell phone use, and exposed the rodents» whole bodies,» said NPT in a statement.

The duration of exposure to HIV modulates the breadth and the magniture of HIV - specific memory CD4 + T cells.

All colors of light have the potential to cause retinal injury depending on the intensity and duration of exposure, says Raymond Iezzi, MD, an ophthalmologist at the Mayo Clinic in Rochester, Minnesota.

The risk factors for developing argyria depend on the dose of the silver product, the type of silver product, the duration of exposure, the route of exposure (i.e., ingestion, inhalation, or skin contact), and on the exposed individual's physiology and health.

But risk is always a product of dose and duration of exposure.

It is nevertheless difficult to define the association between caffeine and reproductive health as confounding factors such as changes in diet, smoking, and incorrect or imprecise assessment of the duration of exposure to caffeine may limit the ability to draw clear conclusions1.

The research team established that duration of exposure and the distance between the eye and the display (which determines the amount of light reaching the back of the eye) affects melatonin levels.

Severity of signs depends on how severely the body temperature is elevated, duration of exposure to adverse conditions, and any pre-existing conditions.

The number of treatments, type of laser and duration of exposure will be determined in the treatment plan.

However, in that study, age at neutering was not available, and thus, duration of exposure to gonadal hormones for each dog could not be determined.

There are as well many other variations of exposure therapy based on the rate, intensity and duration of exposure.

More recently, Boelens has made a series of large - scale photograms, using various objects or textiles that are folded repeatedly over the duration of the exposure and create radiant fields of color.

This is due to several factors, including the amount and duration of your exposures and the specific type of mercury that you are exposed to.

The severity of the effects are determined by the concentration and duration of the exposure.

Research also tells us that the impact of racism on health may vary within and between population groups, different ages, and the type and duration of exposure.

The findings suggest a significant role of cumulative risk experiences depending on the duration of exposure to poverty, as well as sensitive periods during early life.10, 12 The effect of poverty appears to be slightly stronger on verbal than on non-verbal skills, confirming previous findings.50, 51

It is not necessarily the amount of exposure to the reward (e.g., the dosage of a drug) or the frequency or duration of the exposure that is pathological.

There was a clear effect of the duration of exposure to poor mental health for all of the child outcomes: those children exposed to repeated poor maternal mental health had poorer outcomes than those exposed «briefly» who, in turn, had poorer outcomes than those whose mothers were defined as having good or average mental health throughout.

In such cases, the degree of developmental disruption is related to the duration of exposure to environmental hazards.