NCURSES — Frequently Asked Questions (FAQ)

Because GitHub is big and their study is automated, they manage to get a really nice sample size — about 2. They find that women get more! That makes their better performance extra impressive. So the big question is whether this changes based on obviousness of gender. They do not provide an analysis of the population as a whole! Among insiders, women do the same as men when gender is hidden, but better than men when gender is revealed. There is a similar drop for men, but the effect is not as strong. They do not report doing a test of statistical significance on whether it is really smaller or not.

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During the Pleistocene, mountain glaciers formed on all the continents and vast glaciers, in places as much as several thousand feet thick, spread across North America and Eurasia. In the eastern U. The Cenozoic [Recent Life] Era is divided into two main sub-divisions: Most of the Cenozoic is the Tertiary, from 65 million years ago to 1. The Quaternary includes only the last 1. That is, land which had been raised.

ESR dating is a new dating method in range from ~60 thousand years ago to 2 million years ago, a period when the application of radiocarbon dating is problematic. Each radioactive isotope decays according to its half-life period and emits α or β particles, or γ rays.

Julio 24, a las 4: Marazzi cla Corbis Bettmann cr. Treat with ampicillin amoxicillin or oral cephalosporins for to days. The hippocampus is the keyboard to the computer that helps us enter in new memories. Immunemediated damage to the mitral valve due to rheumatic fever caused by crossreactivity between the streptococcal antigen and the valve tissue leads to scarring and narrowing of the mitral valve orifice.

Because the rays of the sun come from one direction only at most half the body surface is exposed to solar radiation. Hypokalemia KIschium inferior or lower part of the pelvis. It keeps large clots from traveling into the blood vessels of the lungs.

Commercial Stabilized HeNe Lasers

Section of the Constitution addresses the various circumstances in which international agreements or treaties are applicable in South Africa. This provision provides that as a general rule, a n international treaty that has been ratified and approved by the National Parliament, becomes locally enforceable by the courts as part of domestic law when it is transformed or incorporated into local law.

Both transformation and incorporation are legislative measures, meaning that they involve the adoption of local legislation to give effect to the treaty in question.

Principle: The erythrocyte sedimentation rate (ESR) is a nonspecific measurement used to detect and monitor an inflammatory response to tissue injury. lt denotes the presence of disease but not its severity. The ESR is affected by three factors: erythrocytes, plasma .

The International History Project Date: Archaeology studies past human behavior through the examination of material remains of previous human societies. These remains include the fossils preserved bones of humans, food remains, the ruins of buildings, and human artifacts—items such as tools, pottery, and jewelry. From their studies, archaeologists attempt to reconstruct past ways of life. Archaeology is an important field of anthropology, which is the broad study of human culture and biology.

Archaeologists concentrate their studies on past societies and changes in those societies over extremely long periods of time. However, archaeology is distinct from paleontology and studies only past human life.

Electron paramagnetic resonance

Discovery[ edit ] comparison with a human The first recorded Diprotodon remains were discovered in a cave near Wellington in New South Wales in the early s by Major Thomas Mitchell who sent them to England for study by Sir Richard Owen. In the s Ludwig Leichhardt discovered many Diprotodon bones eroding from the banks of creeks in the Darling Downs of Queensland and when reporting the find to Owen commented that the remains were so well preserved he expected to find living examples in the then-unexplored central regions of Australia.

The majority of fossil finds are of demographic groups indicative of diprotodonts dying in drought conditions. For example, hundreds of individuals were found in Lake Callabonna with well-preserved lower bodies but crushed and distorted heads.

“Principles and Applications of ESR Spectroscopy” provides the principles of continuous wave and pulsed ESR techniques and illustrates the applications at a level that is accessible to masters and doctoral students as well as to scientists in physical chemistry/chemical physics, catalysis and environmental sciences, polymer science, free radical chemistry in bio-chemistry and medicine, materials science, .

Speleothems formed from salt, sulfur and other minerals are also known. Speleothems made of pure calcium carbonate are a translucent white color, but often speleothems are colored by chemicals such as iron oxide , copper or manganese oxide , or may be brown because of mud and silt particulate inclusions. Chemistry[ edit ] Many factors impact the shape and color of speleothem formations including the rate and direction of water seepage, the amount of acid in the water, the temperature and humidity content of a cave, air currents, the above ground climate, the amount of annual rainfall and the density of the plant cover.

Most cave chemistry revolves around calcium carbonate CaCO3 , the primary mineral in limestone and dolomite. It is a slightly soluble mineral whose solubility increases with the introduction of carbon dioxide CO2. It is paradoxical in that its solubility decreases as the temperature increases, unlike the vast majority of dissolved solids. This decrease is due to interactions with the carbon dioxide, whose solubility is diminished by elevated temperatures; as the carbon dioxide is released, the calcium carbonate is precipitated.

Most other solution caves that are not composed of limestone or dolostone are composed of gypsum calcium sulfate , the solubility of which is positively correlated with temperature. As climate proxies[ edit ] Speleothems are studied as climate proxies because their location within cave environments and patterns of growth allow them to be used as archives for several climate variables. The principal proxies measured are oxygen and carbon isotopes and trace cations.

Before You Get Too Excited About That GitHub Study…

Discovery[ edit ] comparison with a human The first recorded Diprotodon remains were discovered in a cave near Wellington in New South Wales in the early s by Major Thomas Mitchell who sent them to England for study by Sir Richard Owen. In the s Ludwig Leichhardt discovered many Diprotodon bones eroding from the banks of creeks in the Darling Downs of Queensland and when reporting the find to Owen commented that the remains were so well preserved he expected to find living examples in the then-unexplored central regions of Australia.

The majority of fossil finds are of demographic groups indicative of diprotodonts dying in drought conditions.

ESR dating is only possible when materials behave as a natural dosimeter, meaning that the sample records radiation over time (Fig. 2). The palaeodose corresponds to the dose that the sample has received over time and is directly related to the age.

Species of this kind are of interest both from fundamental viewpoints and for a broad range of applications in materials and polymer sciences, physical chemistry and chemical physics, bio-chemistry and medicine, catalysis and environmental sciences, radiation dosimetry and geological dating, as well as radiation physics and chemistry. The magnetic properties, mainly attributed to the electron spin, can be employed to determine both the structure at a molecular level and the amount of paramagnetic species in a sample with the ESR method.

This method has been presented from different viewpoints in the past. Previous monographs on ESR spectroscopy have focused on the technique as such, while the general textbooks in physics, chemistry or spectroscopy only briefly explain the applications, which are mainly presented in specialist reviews and in the original literature. It aims bothat providing the principles of continuous wave and pulsed ESR techniques and to illustrate the potential of the method by examples of applications.

The principles of ESR, multi-resonance and pulsed ESR methods, the analysis of spectra, and multifrequency and high field ESR techniques treated in the first four chapters are thus followed by five chapters exemplifying recent applications in molecular science, in catalysis and environmental science, in polymer science, in spin labeling and molecular dynamics, and in quantitative ESR.

Theoretical derivations are in general left out, as they are presented repeatedly in previous works. The necessary theory is instead illustrated by practical examples from the literature. Commonly used computer codes to evaluate experimental ESR data are described with examples. Internet addresses to download the software are given, whenever possible. Formulae employed in those programs are reproduced in appendices, when the original literature references are not easily available.

Social Science History: Time line for the history of society, science and social science

Bosna i Hercegovina From the book “Politics of Genocide” author dr. Herman During the civil wars that accompanied the dismantling of the Federal Republic of Yugoslavia in the s, the United States, Germany, NATO, and the European Union EU all sided with the national groups seeking to break away from the unified federal state, and opposed the national group that held out for the longest time to preserve it, the Serbs; this placed the Western bloc solidly behind the Croats and Slovenes, then the Bosnian Muslims, and finally the Kosovo Albanians.

Because the wars were supported and even carried out by the NATO powers, and there was significant ethnic cleansing and ethnic killings, it goes almost without saying that not only “ethnic cleansing” but also the words “massacre” and “genocide” were quickly applied to Serb operations. The remarkable inflation of claims of Serb evil and violence and playing down of NATO clients’ violence , with fabricated “concentration camps, ” “rape camps,” and similar Nazi- and Auschwitz-like analogies, caused the onetime head of the U.

Popular perceptions pertaining to the Bosnian Muslim government have been forged by a prolific propaganda machine.

Electron spin resonance dating: The determination of burial age through measurement of the concentration of free radicals created by natural radiation. Introduction To understand electron resonance (ESR) dating, one must, clearly, first understand the principles of electron spin resonance spectroscopy.

What shall I do? REG First make sure you have the latest version of that kernel series. Perhaps a pre-patch already has a fix. If not, search the list archives for a fix. Don’t contribute to noise on the list by asking a question that may already have been answered. If the problem has not yet been fixed, try digging into the code yourself and post a fix to the mailing list.

Top VIdeos

This is, I feel, the attitude that other homeopaths should emulate by sharing their knowledge based on their own discoveries with the use of standard Homeopathic remedies in curing diseases which were not listed in the Repertories. I reported about 2 years ago that I had discovered that Arnica reduced Blood Sugar levels in both Type I and II Diabetics and as usual my report was held up in scorn immediately. It was only when other homeopaths discovered that Arnica does in fact reduce BS levels and as you also rightly included BP levels in patients, that those who scorned me sat up and took notice that there was indeed method in my madness.

You may have read the many attacks that classical homeopaths heaped upon me in the past few years on the homeopathic forums I visit daily, merely because they considered me a maverick who rocked their precious Classical Homeopathic boat too much. I believe that they did so because at least some discovered that my presence on their classical forums could corrupt the minds of potential classical homeopaths who were already in homeopathic colleges, as my therapy which treats the disease directly in the allopathic manner, seemed to be more effective than the standard classical method of identifying just one remedy which takes into account all the other symptoms presented by the patient.

Basic principles of ESR dating Tooth enamel consists of more than 96% of the mineral hydroxyapatite (Driessens ), which is in contact with the more organically rich dentin and cement (see Figure 1 .

Semester 1 SMBB This course encompasses the basic principles and techniques involved in molecular biology which will enable students to apply these techniques in the genetic engineering laboratory. The introductory lecture will expose students to genetic engineering and its application in various sectors of the industry such as agriculture, medical, pharmaceutical, environmental, etc. The following lectures will revolve around techniques in genetic engineering, cloning of heterologous genes in the Escherichia coli host which will include common procedures in molecular biology, enzymes important in molecular biology, plasmids and bacteriophage as cloning vectors, gene libraries preparation and screening for gene of interest.

Before semester ends, students are to produce a group poster relevant to genetic engineering as a form of teamworking experience. Peer group evaluation is mandatory. Some of the concepts taught will be applied in this laboratory practical. Students will have the opportunity to hands on the isolation of genomic DNA, agarose gel electrophoresis, PCR amplification, DNA ligation, preparation of competent cells, transformation, and lastly verify the clones of interest by plasmid DNA extraction and DNA restriction digestion.

Courses in UTM

Posted on September 30, by Scott Alexander [Content warning: Try to keep this off Reddit and other similar sorts of things. All the townspeople want to forgive him immediately, and they mock the titular priest for only being willing to give a measured forgiveness conditional on penance and self-reflection.

Emilia Dana Seleţchi: Principles and methods of electron paramagnetic resonance – dating and dosimetry in the appearance of signals for different centers at different magnetic field strengths.

Sift icing sugar, mix dry ingredients and essence, add melted Copha, spread in scone tray and set in refrigerator. Cut in squares and serve. Brisbane Queensland] p. According to the records of the Australian Intellectual Property Trademark Database , Copha brand edible oils, edible fats and desiccated cocoanut were introduced to consumers February 5, The original owner was Lever Brothers.

The product is currently being manufactured by Peerless Foods in Melbourne. Ads published in popular magazines and cookbooks promoted the Copha as a new time saving product. Fine Coconut 1 cup 8 ozs. Cocoa 3 tablespoons 8 ozs. Thoroughly mix and spoon into paper cup containers and alow to set. The new method of using Copha for cake making by first melting Copha, then mixing it with the other ingredients, popularly termed ‘Melt-‘n’-Mix,’ is based on long research into the behaviour of shortenings during mixing and cooking.

Copha being a pure fat suffers no change in composition on being melted, whereas mixed shortenings containing salt and water will alter their form on melting and cannot be reconstituted to their original flavour or appearance. Thus the ‘Melt-‘n’-Mix’ method is exclusive to Copha and will only result in a failure if tried with anything else.

ESR Dating – No.1

This document attempts to provide an entry to the world of consumer electronics troubleshooting and repair. It also covers test equipment selection, tools and supplies, parts, home made troubleshooting aide – Incredibly Handy Widgets tm – and safety. Mostly, you will learn by doing.

Electron paramagnetic resonance (EPR) or electron spin resonance (ESR) spectroscopy is a method for studying materials with unpaired electrons. The basic concepts of EPR are analogous to those of nuclear magnetic resonance (NMR), but it is electron spins that are excited instead of the spins of atomic nuclei.

Room , Valley Life Sciences Building University of California, Berkeley Berkeley, California, USA Coevolution between phytophagous insect antagonists and Carboniferous, Permian, and Triassic seed plant hosts at the level of their respective developmental tool kits with focus on selective forces that drive the logic of transcriptional regulation is proposed in the following essay to explain the origin and evolution of flowering plants and certain Holometabola.

I discuss potential coevolution of insect and seed plant helix-turn-helix proteins, specifically Engraled and Leafy enzymes that bind to cis-regulatory promoters controlling downstream expression of genes determining paedomorphic insect body patterns and plant cone and floral organ development. The picture of the rock slab on the left is of an indeterminate pentamerous fossil rosid flower Celastrales, Rosanae collected by Professor David L.

The image was captured in while the author was visiting Indiana University. Biologists have been encouraged to think ” The three essays on the succeeding web pages are written from this research perspective. Were insect and shrub coevolutionary compartments of the late Paleozoic hypoxic icehouse and later hot house, venues of the first angiosperms?

This question among others is explored in this first of three essays on the origin of angiosperms. Certain aspects of coevolution of Mesozoic arthropods and seed plants that have a bearing on the origin and diversity of angiosperms are reviewed by Takhtajan , Raven , Thien et al. Long-branch attraction LBA continues to cloud molecular-phylogenetic studies of seed plants, including angiosperms Lipeng Zeng et al. Sophisticated Bayesian analyses conducted by C. Do unsolved Ceratophyllales such as extant species of Ceratophyllum represent living descendents of a long branch from the Permo-carboniferous population of Sandrewia texana Vojnovskyales?

The diagram on the right is redrawn from Figure 4 on page of D.

ELECTRON SPIN RESONANCE SPECTROSCOPY INTRODUCTION AND INSTRUMENTATION