Difficult circumstances

Supercritical-fluid chromatography (SFC) is regaining popularity in various fields of analytical chemistry owning to significant advances in instrumentation made in the past decade. However, due to the CO2 based mobile phase and the high flow rates often employed, detection of trace amounts of analytes and coupling with certain detectors or other chromatography techniques are still difficult under many circumstances.

11p viginny 23-12-2022 10 3   Download

It is difficult to differentiate between paroxysmal supraventricular tachycardias in some circumstances. Delivering premature His complexes (PHC), a new maneuver, has been recently introduced. The study aimed to describe and evaluate initially the value of this maneuver.

7p viaudi 04-08-2022 8 1   Download

This article focuses on analyzing some models of school social work in some countries in the world. Based on the sociological surveys, the author analyzed the actual situation of school social work in Vietnam today thereby evaluated the needs of students to establish school social work office in schools.

5p tamynhan9 02-12-2020 8 1   Download

This analysis discusses about the family-based alternative care in the community for Children in Especially Difficult Circumstances (“CEDC”). Family-based alternative care is a type of social welfare that brings the CEDC or those who are at risk of losing the care from their birth parents into a temporarily stable family while waiting for a permanently stable family which might be their birth family or an adoptive family. Familybased alternative care has many advantages in comparison with the method of entrusting children into social protection facilities.

8p koxih_kothogmih5 04-09-2020 12 1   Download

The problem of traffic organization on a railway line during the execution of civil works on super and sub-structures maintenance under the present conditions is becoming more and more difficult to solve, above all, due to the increased traffic intensity. In order to make decisions on indispensable measures to be taken under such circumstances, one needs information on train compositions and their delays, line capacity, facilities, etc.

9p vinguyentuongdanh 20-12-2018 28 2   Download

China’s rural financial system has changed dramatically over the last twenty five years, but rural financial reforms were lagging behind changes in the real economy and required further economic transition. As in other countries moving towards a market economy, the reform of banking systems and the creation of efficient financial markets in China continues to be among the most difficult reform issues. Poorly functioning official financial markets push rural population to rely on informal institutions.

392p haiduong_1 03-04-2013 73 12   Download

The present work was begun in 1907 and was practically complete when the war broke out, but many circumstances such as the difficulty of returning home, unavoidable delays in printing and correcting proofs, and political duties have deferred its publication until now. In the interval many important books dealing with Hinduism and Buddhism have appeared, but having been resident in the Far East (with one brief exception) since 1912 I have found it exceedingly difficult to keep in touch with recent literature.

243p chonguoinoiay 26-02-2013 56 4   Download

The impacts of climate change and air pollution are particularly difficult to identify with a high degree of confidence. One of the main reasons for this is that climate and air pollution are rarely measured at sites where biodiversity is monitored so potential relationships can only be assessed by using interpolated national data.

38p saimatkhauroi 01-02-2013 56 3   Download

The efficient outcome of regulation is to have each source control emissions up to the point where the marginal costs of further controls exceed the marginal social benefits of greater pollution reductions. This definition is the easy part of policy design. The difficult part is designing policies that, when implemented in the real world, approximate efficient control behavior. In theory, a tax-based policy and a command-and-control quantity standard can both achieve the efficient outcome.

59p saimatkhauroi 01-02-2013 55 3   Download

To effectively perform their respective functions, all stakeholders, in particu- lar, governments, need access to accurate and up-to-date information on opportunities, actual transfers, and the technical and economic impact of large investments. In many cases, lack of such information makes it difficult to identify and utilize opportunities, ensure a level playing field, and enforce regulation and contracts properly.

116p enterroi 02-02-2013 52 6   Download

Anti–cyclic citrullinated peptide (anti-CCP) using a peptide of filaggrin has been used extensively as a new serologic marker of rheumatoid arthritis (RA) (1,2). Many studies have confirmed that anti-CCP enzymelinked immunosorbent assay (ELISA) is as sensitive as rheumatoid factor (RF) and much more specific for RA among various rheumatic diseases (2). However, anti- CCP in other diseases has been less well studied.

6p taisaocothedung 12-01-2013 43 1   Download

Population-based registries require information on the size and the nature of the population served, information which requires the avail- ability of census data. Censuses are particularly difficult to conduct in developing countries, and so they tend to be conducted infrequently, and their results may become available late and with inadequate detail.

12p taisaokhongthedung 09-01-2013 50 4   Download

The retirement crisis will have significant repercussions. As older Americans transition out of the workforce, either voluntarily or involuntarily, many will find that they cannot afford basic living expenses. They will be forced to make the difficult choice between putting food on the table and buying their medication. The retirement crisis will put an enormous strain on our families, our communities, and our social safety net.

4p chiecxedien 03-01-2013 23 1   Download

4 Nutrition and feeding Goats are essentially browsers. They can feed themselves off trees and bushes in places where there is not enough vegetation for sheep and cattle. Their tongues and flexible top lips make it easy for them to pick leaves from between the thorns. They will even eat bark and exposed roots. Goats can keep themselves in reasonable condition in difficult circumstances

19p trasua1 21-09-2010 81 4   Download

9 Improving local chickens Local chickens are not usually pure-bred animals, but the product of years of crossbreeding. Due to a long adaptation process, they are more resistant to high temperatures and probably also better adapted to more difficult circumstances. However, chickens in the tropics have a low body weight, which is why they lay small eggs.

4p trasua1 21-09-2010 65 4   Download