Sentences with phrase «presents a concentration of»

A few things are unequivocal, perhaps (doubling from the present concentration of CO2 will take 140 years [give or take]; the idea that the changes in climate since 1880 have been in the aggregate beneficial; it takes more energy to vaporize a kg of water than to raise its temperature by 1K; ignoring the energy cost of water and latent heat transport [in the hydrologic cycle] leads to equilibrium calculations overestimating the climate sensitivity), but most are propositions that I think need more research, but can't be refuted on present evidence.

My understanding is that approximately 85 % of all photons in the Earth's blackbody spectrum that are also in the absorbtion spectrum of CO2 are already presently being absorbed at the present concentration of atmospheric CO2.

Not exact matches

But while hard water is a bit of a gamble, depending on which minerals are present in higher concentrations, soft water seems to have no benefits at all.

This urban concentration is a circumstance of considerable importance in the present connection.

The proclivity of the Jews for finance, trade, and exchange has been frequently noticed by Jewish writers and the concentration of Jews in the cities is a present as well as an historical fact.

He bought Christmas presents for his family and friends back home, including the wife of Martin Niemöller, a fellow Confessing Church pastor being held in a concentration camp.

At the present time, the concentration is about 390 ppm, 0.039 percent of all atmospheric molecules and less than 1 percent of that in our breath.

The trend of modern thought, with its concentration upon making the most of this present life and the tacit assumption that death means extinction, makes it particularly easy for people to disbelieve in, or to ridicule, life after death.

«This new orality has striking resemblances to the old in its participatory mystique, its fostering of a communal sense, its concentration on the present moment, and even in its use of formulas....

But an exclusive concentration of attention upon glory to come, with the corresponding devaluation of the present, its duties and opportunities, its social claims and satisfactions, obscures the finer and more humane aspects of morality.

As we then said, such moments have their «importance» in that they illuminate what has gone before, are in themselves a kind of concentration of what is actually present, and provide new opportunities and possibilities both for understanding (which is the «subjective» side) and for that emergence of novelty in concrete experience (which guarantees «objectivity») which is the occasion for further creative advance as the process continues on its way.

Full concentration on the present is of great value.

The existence of a steady - state solution or of a limit cycle depends on the system parameters (including the initial concentrations of all the chemicals present) and also on what Whitehead terms «the primordial nature of God».

These markers include MGO, dihydroxyacetone (DHA) and Leptosperin, which are present in Berringa Manuka Honey in a range of concentrations.

Concentrations of carotenoids and retinoids in serum samples collected at baseline and analyzed by using HPLC (22) are presented in Table 2.

Capsaicin oil, which gives chile's their «bite», is present in its highest concentrations within the placenta (the membrane of the pods, which hold the seeds in place).

The thought is that by injecting PRP into an injured area, an increased concentration of growth factors is then available to heal whatever damage is present.

Such records shall include the results of any testing conducted to verify that each nutrient required by section 412 (i) of the act or § 107.100 of this chapter is present in each batch of infant formula at the appropriate concentration.

Except for the study cited above, there have been no other reports of clinical problems in infants of mothers with silicone breast implants.21 It is unlikely that elemental silicon causes difficulty, because silicon is present in higher concentrations in cow milk and formula than in milk of humans with implants.22 The anticolic compound simethicone is a silicone and has a structure very similar to the methyl polydimethylsiloxane in breast implants.

Studies comparing human milk from preterm mothers with that from term mothers suggest that these immunologic benefits may be even greater for preterm infants because secretory immunoglobulin A (IgA), lysozyme, lactoferrin, and interferon are found in greater concentrations in preterm human milk compared with term milk.2 — 4 Very low birth weight (VLBW) infants do not benefit from the transplacental transfer of maternal immunoglobulins that occurs primarily after 34 weeks of gestation.5 These infants are exposed to abundant pathogenic organisms during neonatal intensive care unit (NICU) hospitalization and may benefit from the host defense factors present in preterm human milk.6 — 9

Nicotine is present in milk in concentrations between 1.5 and 3.0 times the simultaneous maternal plasma concentration, 15 and elimination half - life is similar — 60 to 90 minutes in milk and plasma.7 There is no evidence to document whether this amount of nicotine presents a health risk to the nursing infant.

There are only a few instances of the polymer being assayed in the milk of women with implants; the concentrations are not elevated over control samples.20 There is no evidence at the present time that this polymer is directly toxic to human tissues; however, concern also exists that toxicity may be mediated through an immunologic mechanism.

If there is a possibility that a drug may present a risk to the infant, consideration should be given to measurement of blood concentrations in the nursing infant.

The primary focus of my cranial expertise includes examining chronic pain manifested throughout the body; attachment problems resulting in trauma held in the body; children and adults suffering from focus and concentration withdraw; and a desire to become more present to self.

In the concentrations present here, I feel okay about it, but we have chosen to offer only products free of sodium benzoate in our online store.

A larger number of published studies relating infant feeding to adult cholesterol concentrations were available for the present review than had been available at the time of our previous review (17 compared with 5)(10).

The lower blood cholesterol concentrations observed in adult life in exclusively breastfed infants in the present review raise the possibility that exposure to breast milk [which is associated with a short - term increase in total cholesterol concentrations in infancy of ≈ 0.6 mmol / L (10)-RSB-, may have long - term effects on blood cholesterol concentrations later in life (42).

Although the future trajectory of dichloromethane is uncertain, without any regulations on emissions, it is likely concentrations will fall somewhere in between the ranges presented here.

Another problem is the effect of all the compounds present in the concentrations that can not be detected by the traditional analytical methods.

The odds of failed implantation doubled among women with the highest blood level of PCB - 153 (the form of the chemical, on average, present in the highest concentration) compared to women with the lowest levels.

Even though the information of the exact species present in the monitored area and pollen release patterns of the individual species are far from complete, Peel and his colleagues conclude that the best way to explain the three concentration patterns is to look at the succession of different grass species with different diurnal flowering patterns which dominate the atmospheric pollen loads as the season progresses.

A major advantage of this strategy is that the natural product does not have to be present at a therapeutic concentration, a prerequisite for bioassay - guided isolation.

However, up to now the impact of these materials on the environment has been largely unknown, and information is lacking on the concentrations and forms in which they are present there.

«We found that elevated concentrations of these same chemicals were present at altitudes of 12 km over tropical regions, many thousands of kilometres away from their likely source, and in a region where air is known to be transferred into the stratosphere,» says Oram.

«Environmental DNA gives us a way of not only knowing if it's present, but also the concentration of DNA can give an idea of relative abundance,» Olson says.

One of these proteins, lysozyme, is present in human breast milk at 1600 to 3000 times the concentration found in cow's or goat's milk.

Research leading detection of low concentrations of gas present in exhaled human breath to health checkups and early detection and treatment of serious diseases is being performed.

They found that most of the chemicals were present in concentrations above 0.1 micrograms per litre.

«We found that high concentrations of the preferred antibiotic cefazolin are present in the synovial fluid.

Their results showed methadone was present in all samples using both methods, but when using the method based on impaction, the concentration of methadone in exhaled breath was less than one per cent of the concentration collected by the method based on filtration.

Then the larger research team used data from the sensor onboard the European Space Agency's Envisat satellite MEdium Resolution Imaging Spectrometer (MERIS) to examine how the color of the lake water changed during those years — an indication of the concentration of the toxic blue - green algae present in HABs.

Our experiments are based on the measurement of Ca2 + concentrations at constant pH values, facilitating a quantitative determination of all species present at the different stages of crystallization while the supersaturation slowly evolves.

As a result, the composition of the oil used for frying is modified: firstly, it is enriched by the acyl groups («fatty acids») that are present in a higher concentration in the fish fat than in the original oil, and secondly, and simultaneously, it is depleted in the acyl groups present in a higher concentration in the original oil than in the fish fat.

The term was derived from the initial belief that all the cells produced the signal, such that its concentration in the environment directly reflected the number of cells present.

Stick a neutron onto that proton and you have deuterium, which is naturally present in seawater in concentrations of roughly one part per 6,000.

This information is important because if this chemical bond is not present, the dimer can be broken when manipulating the samples during lab analysis, thereby hindering accurate measurement of its concentration.

«Placing sensors in the sewer system may be a cheap and quick way to monitor illicit drugs, particularly by - products of their production which will be present in much higher concentrations than metabolites from users,» says Chen.

At the December AGU meeting, Robert Collier of Oregon State University presented a glimpse of the methane concentrations in the water above Hydrate Ridge.

This image shows QBO amplitude near the equator at a height of 11 miles: Observed values from balloon wind measurements from 1950s to present; simulations from a climate model driven with observed concentrations of greenhouse gases from 1900 to 2005 and then with projected increase through 2100.

Because of the way it accumulates inside the parasite, the drug works even when it is present in extremely low concentrations.