... Hoel DG, Dosemeci M: Is occupational organic solvent exposure a risk factor for scleroderma? Arthritis Rheum 1998, 41:1111-1118 Publish with Bio Med Central and every scientist can read your work ... 2) A meta-analysis published three years ago by Aryal et al [18] confirmed a significant positive association between exposure to solvents and systemic sclerosis This metaanalysis was based on ... exposure to solvents with the possibility to answer by yes or nor and then the question related to the frequency of occupational exposure to solvents offering different possibilities to answer...
Ngày tải lên: 20/06/2014, 00:20
... Marsh Test is used to identify small amounts of arsenic poison Mathieu Joseph Bonaventure Orfila used the test in eighteen forty to help solve a disputed murder case in France Mister Orfila is considered ... In fact, scientists can establish a person’s complete history of drug use by studying one small piece of hair VOICE ONE: British chemist James Marsh developed the most famous toxicology test ... is hidden in the body Forensic radiologists use X-rays, computer tomography and magnetic resonance imaging to follow the path of objects inside the body Radiologists can use this technology to...
Ngày tải lên: 14/08/2014, 21:21
Lund University International Master’s Programme in Environmental Science (LUMES): Assessment of Efforts to Solve the Water Pollution Problem in Kaunas pdf
... possible disturbance of fish life and injuries on fish food organisms due to low amount of dissolved oxygen • detrimental effect of ammonia for the fish life • risk for waterborne diseases due to presence ... city the Neris river flows into the Nemunas The Neris is the biggest tributary of the Nemunas The basin area of the Neris is 24 492km2 The source of the Neris river is in the territory of Byelorussia ... wastewater is predicted to stabilise in the near future due to reduced incentives to save more water The total volume of industrial wastewater started to increase in 1997 and it is predicted to increase...
Ngày tải lên: 23/03/2014, 00:20
Báo cáo hóa học: " Research Article How to Solve the Problem of Bad Performance of Cooperative Protocols at Low SNR Charlotte Hucher, Ghaya Rekaya-Ben Othman, and Jean-Claude Belfiore" potx
... NAF protocol Besides, the problem of bad performance of the NAF at low SNR is solved with two relays too, since the adaptive NAF curve is always under the SISO curve problem as the AF protocols: ... AF PROTOCOLS AF protocols proposed in literature [3, 4, 6] bring diversity at high SNR, but their performance at low SNR is poorer than that of the noncooperative scheme To solve this issue, ... NAF protocol In the previous subsection we have listed all the 2N + N(N + 1)/2 possible transmission cases The question is now which criterion to use to select the best one We propose to study...
Ngày tải lên: 22/06/2014, 19:20
Báo cáo nghiên cứu khoa học: "USING ADAPTIVE CONTROL TO SOLVE THE TRACKING PROBLEM FOR A MOBILE MANIPULATOR" pptx
... is the distance from the projection of the manipulator torch tip on the x-y plane to the center C of platform, φ w is the heading angle in the horizontal plane of the welding torch, and φ C is ... welding torch in vertical plane, respectively It is assumed that ωψ is bounded CONTROLLER DESIGN Fig Tracking errors of the mobile manipulator The vector [e1 e5 ] is denoted as the vector of the ... k e5 ≤ k2 (17) && & It is assumed that all errors ei are bounded so V is bounded too, that is to say, V is uniformly continuous Since V does not increase and converges to certain constant value,...
Ngày tải lên: 22/07/2014, 02:20
Heuristic approaches to solve risk adjusted and time adjusted discrete asset allocation problem
... this paper, the investment decision is simplified to a binary (discrete) problem (“yes” or “no”) that is readily solvable with decision analysis tools The formulation of such a problem is a discrete ... investment decision is a real world problem, to the best of the author’s knowledge, there is no literature on this topic The major contribution of this thesis is to propose a number of heuristic approaches ... investment decision problem , described at the beginning of this thesis Firstly, Decision Analysis, although works to solve the discrete asset allocation problem, cannot be helpful to find the...
Ngày tải lên: 07/10/2015, 10:18
Báo cáo hóa học: " Research Article Extension of Oppenheim’s Problem to Bessel Functions" doc
... clearly, Q is decreasing on (−∞,0], that is, Q(x) ≥ Q(0) = + a1 for all x ≤ Case (a1 ∈ (0,1/2)) Because Q is even, it is enough again to consider its restriction to [0, ∞) However, at this moment, ... ϕ is increasing on [0, ∞) Using the monotone form of l’Hospital’s rule [8, Lemma 2.2], we conclude that Q is increasing too on [0, ∞), that is, Q(x) ≥ Q(0) = + a1 for all x ≥ Now, because Q is ... [1, ∞) is 4a1 (1 − a2 ), we have Q(α) ≥ 4a1 (1 − a2 ), and with this, the proof is complete 1 Proof of Theorem 1.4 In analogy to the proof of Theorem 1.1, we can prove Theorem 1.4 For this, let...
Ngày tải lên: 22/06/2014, 06:20
Báo cáo hóa học: " Research Article Extension of Oppenheim’s Problem to Bessel Functions" pot
... clearly, Q is decreasing on (−∞,0], that is, Q(x) ≥ Q(0) = + a1 for all x ≤ Case (a1 ∈ (0,1/2)) Because Q is even, it is enough again to consider its restriction to [0, ∞) However, at this moment, ... ϕ is increasing on [0, ∞) Using the monotone form of l’Hospital’s rule [8, Lemma 2.2], we conclude that Q is increasing too on [0, ∞), that is, Q(x) ≥ Q(0) = + a1 for all x ≥ Now, because Q is ... [1, ∞) is 4a1 (1 − a2 ), we have Q(α) ≥ 4a1 (1 − a2 ), and with this, the proof is complete 1 Proof of Theorem 1.4 In analogy to the proof of Theorem 1.1, we can prove Theorem 1.4 For this, let...
Ngày tải lên: 22/06/2014, 06:20
Constructing and using recognition problem to develop capability of detecting and solving problem, creativity capability for pupils via teaching Avanced 11th organic chemistry (tóm tắt + toàn văn)
... cognitivisim” 1.5.2 Relationship between exercises, problem and recognition problem Table 1.2 Distinction between exercises, problem and recognition problem Problem Recognition Exercises problem ... RECOGNITION PROBLEM 1.5.1 Exercises, problems and recognition problem 1.5.1.1 Concept of exercises We confirm that, exercises is assigned to pupils to apply knowledge learned 1.5.1.2 Concept of problem ... out the problem to be solved 14 Step Solve problem : pupils think to propose possible hypotheses, and then excluding, retaining only viable hypothesis ; For each hypothesis, pupils establish procedures...
Ngày tải lên: 20/10/2014, 09:11
how to solve every sudoku puzzle
... Tl: Top left: Consists of small squares to the Top left Tc: Top center: Consists of small squares to the Top center Tr: Top right: Consists of small squares to the Top right Ml: Mid left: Consists ... squares to the Mid left Mc: Mid center: Consists of small squares to the Mid center Mr: Mid right: Consists of small squares to the Mid right Bl: Bottom left: Consists of small squares to the Bottom ... it is possible to create 6,670,903,752,021,072,936,960 Sudoku puzzles 37 Sudoku is today – what Rubik's Cube was in the 1970's 38 Chipping Sodbury, near Bristol, England - On this hill side is...
Ngày tải lên: 15/01/2015, 14:13
WHAT NEED WE DO TO SOLVE THESE PROBLEMS?
... Ơfµb\ĨÙ¦ýN½úìÛúđð4Q;—ºn’³ë]IMRÉơ7^r§+£kºùÁÍ5®IiÇ…^šƠÅKĐ-4C Íɤªv"ÜJ°w±¹Ư\i@XFsá@˜KE¾ơN@=?â™7h¨Ú(]R¾Äú´ơK‡¦ŠÝ
Ngày tải lên: 05/06/2013, 01:28
What is the question to which ‘substitution’ is the answer
... resists any attempt to reduce it to a thematic analysis This raises questions as to what it means to attempt to elucidate his text as I am attempting to here.4 Levinas seems to have foreseen this ... the Other, his irreducibility to the I, to my thoughts and my possessions, is precisely accomplished as 246 t h e c a m b r i dge comp ani on t o levin a s a calling into question of my spontaneity, ... or behind distinguishing characteristics Unlike consciousness which loses itself to find itself, the Levinasian self is unable to take a distance from itself (bpw 86) It is unable to depart from...
Ngày tải lên: 01/11/2013, 10:20
Tài liệu How to Motivate Every Employee- 24 Proven Tactics to Spark Productivity in the Workplace docx
... This requires managers to inspire their followers to be their best, to take risks, to think like entrepreneurs, and to unleash their limitless and synergistic potential “Men and women want to ... to be human and make mistakes, the recognition for having taken the risk is what they’ll remember Empower employees to take risks: Do this by allowing employees to take an active role in decision-making ... in the rough Brainstorm for greater fulfillment: One great way to brainstorm and, thereby, motivate workers is to set up employee focus groups By doing this you will begin to discover what employees...
Ngày tải lên: 09/12/2013, 20:15
Tài liệu What it is and How to Prepare pdf
... nose with a tissue when you cough or sneeze Throw the tissue away and wash your hands If you not have a tissue, cough or sneeze into your shoulder or arm • Clean surfaces such as countertops, sinks, ... flu: • • • • • Hospitals and doctors' offices will be very busy You may need to stay home to care for ill family or children Schools and child care centers may close Stores may be in short supply ... banks, post offices, restaurants and stores may close or have fewer workers • Buses may be stopped and gasoline may be limited • People may be told not to attend group functions such as volunteer...
Ngày tải lên: 20/12/2013, 23:15
Tài liệu DC Power: Is it Time to Switch? pdf
... other continues to supply power, allowing the device to continue to operate DC in Action There are operators already using DC to power virtually everything they use The impact is apparent almost ... anticipated rate of growth The BDFB is typically equipped with circuit breakers or fuses and serves DC power to multiple racks of equipment This secondary power distribution is to a dedicated fuse panel ... down a lot of equipment • There is A-B power redundancy to each individual piece of equipment • It is easier to monitor the DC power plant • Cable management is cleaner Riding the Learning Curve...
Ngày tải lên: 17/01/2014, 12:20
Tài liệu Halloween ở Mỹ được tổ chức như thế nào? docx
... Vì bí ngô lại tỉa theo hình mặt người cười to t miệng? Tại Hoa Kỳ bà nội trợ mang bí khoét ruột tỉa hình mặt người từ hàng trăm năm Cũng theo ... bắc Mỹ, trồng nhiều Hoa Kỳ Hàng năm vào trước lễ Halloween tuần, nông gia mở hội thi xem trồng bí to Quả bí khổng lồ phá kỷ lục giới nặng 536kg, cao gần mét chu vi gần mét rưỡi ...
Ngày tải lên: 18/01/2014, 17:20
Tài liệu How to Motivate Every Employee- 24 Proven Tactics to Spark Productivity in the Workplace pptx
... This requires managers to inspire their followers to be their best, to take risks, to think like entrepreneurs, and to unleash their limitless and synergistic potential “Men and women want to ... to be human and make mistakes, the recognition for having taken the risk is what they’ll remember Empower employees to take risks: Do this by allowing employees to take an active role in decision-making ... in the rough Brainstorm for greater fulfillment: One great way to brainstorm and, thereby, motivate workers is to set up employee focus groups By doing this you will begin to discover what employees...
Ngày tải lên: 24/01/2014, 00:20
Tài liệu What every real estate professional needs to know about surveying pdf
... to disclose material facts, and a survey-related problem is clearly material to any parcel of land Therefore, it is in your best interests to give them access to all the resources they need to ... has a duty to disclose latent defects, or defects that are not discoverable by ordinary inspection, to the buyer As a seller’s representative, one way to deal with survey problems is to provide ... resources they need to make an informed decision If there are issues related to the boundary of the property or other survey-related problems, it is up to you to steer your client through the transaction...
Ngày tải lên: 26/01/2014, 10:20
THE FIRST YEAR – LANGUAGE STUDENTS’ DIFFICULTIES IN PARAGRAPH WRITING AND SOME APPROPRIATE STRATEGIES TO SOLVE THESE PROBLEMS AT THE NATIONAL ECONOMICS UNIVERSITY
... Obviously, the topic sentence is unsatisfactory enough The topic sentence is divided into two parts One is a question and the other is the answer The student should not give a question in the topic sentence ... narrow topic or not because to find out a narrow topic is very important It helps them to choose an appropriate and adequate idea to develop Draft writing stage is the actual writing stage It is ... required to write about one of the following topics: a Why many people go to Australia to study? b The best place to visit in Vietnam c Write a paragraph about a good or country to visit d A...
Ngày tải lên: 06/02/2014, 14:40
Tài liệu ECTS Users’ Guide: Europe Direct is a service to help you find answers to your questions about the European Union doc
... Framework, competence is described in terms of responsibility and autonomy” In this case the term competence is understood in a more limited way, as the capacity to transfer knowledge into practice (http://ec.europa.eu/education/policies/educ/eqf/rec08_en.pdf) ... necessary This revision should not be done during an academic year but should apply to upcoming academic years It is important to inform students and staff about the purpose of the monitoring exercise ... It is good practice to define this profile after consultation with relevant stakeholders.14 Credit allocation is the process of assigning a number of credits to qualifications/programmes or to...
Ngày tải lên: 16/02/2014, 03:20