Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...

Articles Figures Tables About

Alsos project

A USDA report indicates that between 1967 and 1988, butter consumption remained stable at 2 kg per capita, margarine dropped from 5.1 to 4.7 kg, and measured total fat intake per day dropped from 84.6 to 73.3 g (14). This study also projects that the reduced consumption of tropical oils is only temporary and will return to former use levels, possibly even higher. One reason for this projected rise in tropical oil consumption is the knowledge of the beneficial effects of medium-chain length acids high in lauric oils. There is a keen interest in omega-3 fatty acids, as well as linoleic acid, contained in fish oils. [Pg.116]

Lamina II is also known as the substantia gelatinosa (SG) and can be divided into two layers, the outer layer (IIo) and the inner layer (Ili). This layer is densely packed with small neurons and lacks myelinated axons. Neurons with cell bodies in Hi receive inputs from low-threshold mechanoreceptive primary afferents, while those in IIo respond to inputs from high-threshold and thermoreceptive afferents. The intrinsic cells which comprise the SG are predominantly stalk and islet cells. Stalk cells are found located in lamina IIo, particularly on the border of lamina I, and most of their axons have ramifications in lamina I although some also project to deeper layers. These cells are thought to predominantly relay excitatory transmission. Islet cells, on the other hand, are located in Hi and have been demonstrated to contain the inhibitory neurotransmitters, y-aminobutyric acid (GABA), glycine and enkephalins in their dendrites. Hence these cells have been proposed to be inhibitory interneurons. [Pg.461]

The cells comprising lamina V are more diverse than those of lamina IV and their dendrites extend vertically toward the superficial layers. Cell bodies in lamina V contribute to three projection pathways, the SCT, PSDC and STT. However, the STT cells appear to be predominant in this lamina. Lamina V plays an important role in nociception since it receives both A - and C-fibre inputs. Some cells in lamina V also respond to cutaneous low- and high-threshold mechanical stimuli and receive nociceptive inputs from the viscerae. Many of these neurons also project onto mononeurons and so act as interneurons in the polysynaptic withdrawal reflex to noxious stimuli. [Pg.462]

Neurons within the SCN innervate those hypothalamic areas which have a crucial role in the regulation of the reproductive cycle, mood and sleep/arousal, as well as regions such as the basal forebrain and the thalamus which help to determine the state of arousal. They also project to the pineal gland to govern the synthesis and release of... [Pg.478]

Figure 22.1 Pathways projecting to and from the suprachiasmatic nucleus (SCN). Inputs from photoreceptors in the retina help to reset the circadian clock in response to changes in the light cycle. Other inputs derive from the lateral geniculate complex and the serotonergic, Raphe nuclei and help to reset the SCN in response to non-photic stimuli. Neurons in the SCN project to the hypothalamus, which has a key role in the regulation of the reproductive cycle, mood and the sleep-waking cycle. These neurons also project to the pineal gland which shows rhythmic changes in the rate of synthesis and release of the hormone, melatonin... Figure 22.1 Pathways projecting to and from the suprachiasmatic nucleus (SCN). Inputs from photoreceptors in the retina help to reset the circadian clock in response to changes in the light cycle. Other inputs derive from the lateral geniculate complex and the serotonergic, Raphe nuclei and help to reset the SCN in response to non-photic stimuli. Neurons in the SCN project to the hypothalamus, which has a key role in the regulation of the reproductive cycle, mood and the sleep-waking cycle. These neurons also project to the pineal gland which shows rhythmic changes in the rate of synthesis and release of the hormone, melatonin...
Worldwide herbicide sales were projected to increase by 11.9% from 1980 to 1985 (17). The projected increase in herbicide sales in the United States from 1980 to 1985 was estimated at 12.4%. It was estimated that by 1985 herbicide sales would represent 61% of all pesticide sales in the United States, whereas herbicides would account for 42% of the pesticide sales worldwide (17). It is projected that pesticide sales by 1990 will reach 6.14 billion, a 7% per year growth from 1978 s 2.72 billion in sales (19). It is also projected that the average cost of pesticides will increase from 3.46/kg in 1978 to 6.88/kg in 1990 because of higher raw-materials costs and a shift to higher-performance materials. [Pg.17]

The Csv symmetry of 14 was reflected in its five-line 13C NMR spectrum. X-ray crystallographic analysis revealed further that the all-equatorial conformation is adopted in the solid state (Fig. 3-1). This bias persists as well in solution and may be a consequence of more favorable dipole-dipole interactions. The parallelism between 14 and its isomer 24, whose ground-state conformer also projects all three C-0 bonds in the equatorial plane (Fig. 3-2), is striking.8... [Pg.42]

The PFC, PAC, and ITC all project to the caudate nucleus as part of the cognitive circuit through the basal ganglia, which projects via the thalamus back to PFC (Fig. 8.2). In contrast, the motor circuit involves cortical projections to the putamen, which in turn projects back onto the premotor cortices (Fig. 8.2). This pathway is important for the planning, selection, initiation, and execution of movements. The entire cortical mantle also projects indirectly to the cerebellar cortex (not shown), which ultimately projects back to the primary motor cortex. This pathway serves as a biological gyroscope, providing on-line correction of movements. [Pg.101]

A further better solution is offered by partial least squares (PLS), whose acronym may signify also projections onto latent structures. These latent structures, more frequently called latent variables (TVs) or PLS components, are directions in the space of the predictors with a connotation... [Pg.94]

The introduction of biologies as credible therapies is evidenced by the increase in the approval rate of biologies over the last two decades. This is in contrast to the decline in the introduction of new small molecules (Fig. 1). The market potential of biologies is also projected to grow exponentially over the next few years (Fig. 2). These are some of the many drivers for... [Pg.129]

It is also projected that Venezuela, because of its abundance of hydropower, will become a major aluminum producer. During the past decade, Brazil has attracted considerable interest because of its vast reserves of good quality bauxite and hydropower. Tile Tucurai hydroelectric power facility will double its output by 1995. [Pg.63]

Marshall Space Flight Center in Huntsville. Ala. is the lead center for NASA s Microgravity Research Program. The program manages Microgravity Science and Applications Project Offices at the Lewis Research Center in Cleveland, Ohio, the Jet Propulsion Laboratory in Pasadena. Calif., and also project offices ai the Marshall Center. [Pg.740]

THE POWER OF A FEW PERCENT Neurons that produce and release serotonin in the brain are organized into a series of nuclei that lie in a chain along the midline, or seam, of the brainstem these are called the raphe nuclei (raphe means seam in Latin). These neurons project their axons to every part of the brain, and some of these axons make contact with blood vessels the neurons also project downward into the spinal cord. If you were able to insert a recording device into the major raphe nuclei and listen to the activity of your serotonin neurons, you would discover that they have a regular slow spontaneous level of activity that varies little while you are awake. When you fall asleep, the activity of these neurons slows. When you start to dream—or if, as we ll see shortly, you ingest a hallucinogen—these neurons cease their activity completely. [Pg.82]

The curve projects a maximum yearly fossil fuel production capability of about 700 Q, which could be reached by 2050. It also projects the total exhaustion of the fossil energy supply by the year 2200. Besides being exhaustible, the burning of fossil fuels also releases carbon dioxide (COz) into the atmosphere. In spite of these facts, the global dependence on fossil fuels is projected to increase (Figure 1.2). [Pg.3]

Five years ago the wholesale price of a metric ton of coal was about 25 in early 2008 it was up to 140 and rising. In contrast to oil and natural gas, the United States has very substantial coal reserves amounting to 27% of the global total (Table 1.6). Yearly coal consumption by the United States is 1.1 billion tons. Today in the United States, about 2 trillion kWh of electricity (about 55% of the total) are produced from coal (Table 1.4), and by 2030, that number is projected to rise to 3.3 trillion kWh (or 62%). The carbon emission from electric power generation is about 2.3 billion metric tons (90% from coal), and that emission is also projected to rise to 3.3 billion metric tons by 2030. Some projections in the past suggested that at this rate American coal... [Pg.13]

Statistics must also project in the IND the magnitude of difference necessary to demonstrate significance in variations between the laboratory values and clinical findings in patients treated with the test agent and those given placebo or standard medication. These determinations, as well as many of the particulars of the selected randomization patterns in the phase 2 and 3 trials, rest on a fundamental ability of statistics, that is to ascertain the likelihood of error in a particular statement and to estimate the confidence that can be placed in any experimental value. [Pg.292]


See other pages where Alsos project is mentioned: [Pg.841]    [Pg.151]    [Pg.287]    [Pg.214]    [Pg.227]    [Pg.762]    [Pg.3]    [Pg.9]    [Pg.32]    [Pg.33]    [Pg.124]    [Pg.273]    [Pg.1243]    [Pg.375]    [Pg.415]    [Pg.25]    [Pg.123]    [Pg.221]    [Pg.96]    [Pg.111]    [Pg.54]    [Pg.459]    [Pg.460]    [Pg.533]    [Pg.92]    [Pg.150]    [Pg.12]    [Pg.49]    [Pg.53]    [Pg.123]    [Pg.146]    [Pg.7]    [Pg.671]   
See also in sourсe #XX -- [ Pg.2621 ]




SEARCH



© 2024 chempedia.info