conceptual and technical outlook on species sensitivity distributions
Species Sensitivity Distributions in Ecotoxicology - Section 1 ppsx
... SECTION IV Evaluation and Outlook Chapter 21 Issues and Practices in the Derivation and Use of Species Sensitivity Distributions Glenn W Suter II, Theo P Traas, and Leo Posthuma Chapter 22 Conceptual ... History of Species Sensitivity Distributions Nico M van Straalen and Cornelis J van Leeuwen CONTENTS 3.1 Introduction 3.2 Species Sensitivity Distributions 3.3 The Concept of HCS 3.4 The Concept ... toxicants in the environment, rather than effects on mortality, which occur at higher concentrations Most of the consequent discussion on species sensitivity distributions is therefore done in terms of...
- 55
- 356
- 0
Species Sensitivity Distributions in Ecotoxicology - Section 2 pdf
... Based on Species Sensitivity Distributions Nico M van Straalen CONTENTS 4.1 Introduction 4.2 Derivation of Ecological Risk 4.3 Probability Generating Mechanisms 4.4 Species Sensitivity Distributions ... distributions have parameters representing the mean and the standard deviation Consequently, Equation 4.2 defines a mathematical relationship among δ, h, and the mean and standard deviation of the ... exposure concentration distributions and SSDs are normal 5.1 INTRODUCTION A species sensitivity distribution (SSD) is a probabilistic model for the variation of the sensitivity of biological species...
- 158
- 644
- 0
Species Sensitivity Distributions in Ecotoxicology - Section 3 ppt
... effects of chemicals based on Species Sensitivity Distributions These discussions went through a three-step process of (1) confrontation, (2) communication, and (3) cooperation From a general perspective, ... freshwater and marine species are produced Table 12.2 provides the information on relevant experimental conditions and results that are collected for aquatic species Information on the species is ... AIM, AND OUTLINE The focus of this chapter is on deriving environmental risk limits (ERLs) for the protection of ecosystems in the Netherlands and the use of species sensitivity distributions...
- 231
- 589
- 0
Species Sensitivity Distributions in Ecotoxicology - Section 4 (end) doc
... Joint Distributions of Exposure and Species Sensitivity The Credibility of SSDs 21.8.1 Reasonable Results 21.8.2 Confirmation Studies 21.8.3 SSD vs Alternative Extrapolation Models Conclusions Abstract ... unless based on concentrations in target sites These models are thus more based on exposure distributions than on intrinsic toxicity distributions However, other interspecies extrapolation models ... and Technical Outlook on Species Sensitivity Distributions Leo Posthuma, Theo P Traas, Dick de Zwart, and Glenn W Suter II CONTENTS 22.1 Use and Options of SSDs 22.2 Scope of the Outlook Issues...
- 139
- 314
- 0
an toàn trong bảo quản, vận chuyển, sử dụng và tiêu hủy vật liệu nổ công nghiệp national technical regulation on safety in the storage, transportation, use and disposal of indust
... hiểm Trong hầm lò có nguy hiểm khí bụi nổ, qui định phải tiến hành đo khí, thông gió cho lò này; - Khi nổ mìn gương hai lò đào song song cách 20 m người gương thứ hai phải rút nơi an toàn Trong ... cấp phát hàng ngày, cửa phải cặp chì niêm phong Các kìm cặp chì, dấu niêm phong người thủ kho giữ phải có mẫu lưu trụ sở tổ chức sở hữu kho Việc niêm phong, kẹp chì không áp dụng với hộp đựng phụ ... 50 m kể từ đuốc Trong trường hợp sửa chữa đường có sử dụng lửa (đun chảy nhựa đường), trước qua đoạn đường phải đỗ xe chỗ có khoảng cách theo qui định khoản này, dập tắt lửa xong cho xe qua h)...
- 154
- 1,571
- 2
Flash on english for mechanics, electronics and technical assistance
... to connect to the Internet through a telephone connection , but the quality and speed of the connection is significantly greater than a dial-up connection Moreover, unlike a dialup connection, ... be stored as long as the machine is on On the contrary, a non-volatile memory contains information, data and programs that cannot be modified , or can be modified only very slowly and with difficulty ... This type of connection requires you to use a landline telephone connection and a modem connected to your computer In order to establish the connection, you must dial a telephone number provided...
- 50
- 4,235
- 4
bernd jahne - practical handbook on image processing for scientific and technical applications
... SECOND EDITION Practical Handbook on IMAGE PROCESSING for SCIENTIFIC and TECHNICAL APPLICATIONS Bernd Jọhne University of Heidelberg CRC PR E S S Boca Raton London New York Washington, D.C ... Comparison of the function modules of human and machine vision Task Human vision Machine vision Visualization Passive, mainly by reection of light by opaque surfaces Passive and active (controlled ... Motion segmentation 2-D velocity determination 3-D velocity determination together with 3-D scene reconstruction Tracking Active vision Figure 2.2: Features of interest for scientic and technical...
- 571
- 1,472
- 0
Báo cáo lâm nghiệp: "Short Communication Differences in the structure, species composition and diversity of primary and harvested forests on Changbai Mountain, Northeast China" ppsx
... that the pioneer species S matsudana and P. davidiana were among the top seven species ranked by the basal area in LF but not in PF Multi-response permutation procedures (MRPP) demonstrated that ... tree species (P koraiensis, T amurensis, F mandshurica, Q mongolica, A pseudo-sieboldianum, A mono and U japonica), which accounted for 63% of all trees and 91% of the total basal area (Tables and ... selective logging contributed to increased species diversity for seedling and sapling layers This echoed the findings of Halpern and Spies (1995) and Cannon et al (1998) In conclusion, although the...
- 10
- 399
- 0
Báo cáo lâm nghiệp: "Effect of species composition, stand density and site index on the basal area increment of oak trees (Quercus sp.) in mixed stands with beech (Fagus sylvatica L.) in northern France" potx
... information on the experiments and abbreviations is shown in Tables I and II A detailed description of stand growth and yield parameters is provided in Pardé [40], Oswald [39] and Dhôte [11] On most ... and Douglas fir stands to mixed -species stands of oak and beech The aim of the study was to adapt one of the basic equations of the French growth simulator Fagacées for oak stands to mixed stands ... conditions the growth of oaks is negatively affected by increasing beech proportion in stand composition) However, such effects of beech present in oak stands may depend on the geographic region...
- 11
- 422
- 0
Báo cáo lâm nghiệp: " The influence of different overstory removal on planted spruce and several broadleaved tree species: Survival, growth and pine weevil damage during three years" pps
... assistance of Per-Olof Erlandsson, Sven Nilsson, Gustav Fredriksson and Gunnar Isacsson from the Regional Forestry Board South Götaland Our thanks also to Christer Jacobsson and Tove Vollbrecht for ... within and beyond its natural range, in: Hasenauer H (Ed.), Ecological and economical impacts of restoration processes in secondary coniferous forests, Proceedings of the international conference on ... mixedspecies forests: Silviculture and economics, IBN scientific contributions 15, Institute for Forestry and Nature Research (IBN-DLO), Wageningen, The Netherlands, 1999, pp 208–218 [15] Nordlander...
- 8
- 307
- 0
Báo cáo lâm nghiệp: " Effect of species and ecological conditions on ellagitannin content in oak wood from an even-aged and mixed stand of Quercus robur L. and Quercus petraea Liebl." docx
... influence conclusions and render interpretations difficult [27, 28] The aim of the current study is to contribute to clarify the respective influence of botanical species and site conditions on chemical ... variations within a stand The species, ecological factors and spatial distribution effects on ellagitannin concentrations are investigated MATERIALS AND METHODS 2.1 Wood sampling The sampled stand ... of the interaction between species effect and ecological zone effect demonstrates the predominance of the species effect Neither zone effect, nor species – ecological zone interactions are significant...
- 10
- 253
- 0
Báo cáo khoa học: "Effects of buffer system pH and tissue storage on starch gel electrophoresis of allozymes in three tropical tree species" pps
... tampons d’électrophorèse (tableau /), de conditions de conservation des tissus et de durées de conservation ont été évalués pour l’électrophorèse sur gel d’amidon de 18 enzymes La résolution du ... the tissue and type of storage conditions, protocols for enzyme extraction, starch gel preparation and electrophoretic conditions, gel and electrode buffer characteristics, staining and genetic ... Approaches John Wiley and Sons, NY YA (1991) Genetic variation within and among conifer populations: Review and evaluation of methods In: Biochemical Markers in the Population Genetics of Forest...
- 20
- 309
- 0
báo cáo khoa học: " A simple and high-sensitivity method for analysis of ubiquitination and polyubiquitination based on wheat cell-free protein synthesis" potx
... http://www.biomedcentral.com/1471-2229/9/39 Figure Detection of polyubiquitination and self-ubiquitination of CIP8 Detection of polyubiquitination and self-ubiquitination of CIP8 A to D, The polyubiquitination assay was carried ... E3 ligases without truncation and detected their ubiquitin-conjugation and polyubiquitination activity by luminescent analysis (Fig 2C and 2D) The ubiquitin-conjugation of UPL5 was not observed ... manuscript MS and KS provided RAFL cDNA clones AN conceived the study YE conceived the study and supervised the work TS conceived and designed the study, supervised the work and contributed to...
- 11
- 349
- 0
Báo cáo y học: " A heuristic approach and heretic view on the technical issues and pitfalls in the management of penetrating abdominal injuries" pdf
... Authors' contributions TH: Idea on comparing the practice of trauma at Chris Hani Baragwanath Hospital and international practice Literature review Contribution in writing manuscript BC: Contribution ... flexure and the proximal third of the transverse colon, with your scissors, you divide (while applying traction on the second part of the duodenum) the peritoneum, laterally to the second part ... Yilmaz et al Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine 2010, 18:40 http://www.sjtrem.com/content/18/1/40 from right to left and elevate the right colon and small intestine...
- 7
- 366
- 0
Improving the first year students' grammar through focus-on-form instruction at University of Economic and Technical Industries
... 1.2 Focus -on- form instruction (FFI) 1.2.1 Focus -on- form, focus on forms and focus on meaning In the literature of grammar teaching, three notions: focus on forms, focus on form and focus on meaning ... focus on form and focus on meaning instruction are available, according to Long (1991) and Long and Robinson (1998), and should complement rather than exclude each other Significantly, focus -on- form ... grammar kinds and attitudes to grammar instruction are summarized and reviewed Additionally, the chapter also reviews the notion of focus -on- form in comparison with focus -on- forms and focus on meaning...
- 101
- 570
- 1
Improving the first year students’ grammar through focus-on-form instruction at university of economic and technical industries
... description of data collection instruments and subjects of the study The data collection instruments consisting of pre- and post tests, questionnaire and interview are thoroughly presented with rationale, ... Long, M H & Robinson, P (1998) Focus on form: Theory, research and practice In Doughty C & Williams, J (Eds.), Focus on Form in Classroom Second Language Acquision 15-41 Long,M (2000) Focus on ... 1.2.1 Focus -on- form, focus on forms and focus on meaning 1.2.2 Definition of Focus -on- form instruction 10 1.2.3 Kinds of focus -on- form 12 1.2.4 Focus -on- form teaching techniques...
- 13
- 408
- 0
SUMMARY OF DOCTORATE THESIS RESEARCH ON OVERALL MANAGEMENT AND TECHNICAL SOLUTIONS FOR SURFACE COAL MINE RECLAMATION IN HON GAI CAM PHA REGION
... cooperation among organizations to handle environmental problems (including environment improvement and recovery) and development conflicts among industries in the area, in the region and so on; Integrated ... exploitation, the environmental impact continues causing environmental pollution and degradation in different places; altering the topography and landscape, causing erosion, washout and soil erosion; ... evaluation the operation consequences of the reclamation for OPCM in HG-CP region for the first time - Proposing reclamation management solution based on orientation of functional sub-area of land...
- 26
- 453
- 0
EFFECTS OF SOME TECHNICAL FACTORS ON REPRODUCTIVE PERFORMANCES AND RESULTED SEED PRODUCTION OF SNUBNOSE POMPANO (trachinotus blochii lacepede, 1801) IN KHANH HOA
... foods and environmental conditions play important roles in fish reproduction Fish can perceive and utilize seasonal variations in environmental factors such as photoperiod, temperature, moon phase, ... respectively CONCLUSION AND RECOMMENDATIONS CONCLUSIONS - Broodstocks fed diet containing 70% trash fish, 15% shrimp, 15% squid with 750 mg/kg vitamin E supplementation, and daily feeding ration of 9% ... fish species to adapt to the environmental conditions For example, the Pacific salmon only spawn once before death, while many other species can spawn many times during their life Many species...
- 23
- 589
- 0
Tìm thêm: xác định các mục tiêu của chương trình xác định các nguyên tắc biên soạn khảo sát các chuẩn giảng dạy tiếng nhật từ góc độ lí thuyết và thực tiễn khảo sát chương trình đào tạo gắn với các giáo trình cụ thể tiến hành xây dựng chương trình đào tạo dành cho đối tượng không chuyên ngữ tại việt nam điều tra đối với đối tượng giảng viên và đối tượng quản lí khảo sát thực tế giảng dạy tiếng nhật không chuyên ngữ tại việt nam nội dung cụ thể cho từng kĩ năng ở từng cấp độ xác định mức độ đáp ứng về văn hoá và chuyên môn trong ct phát huy những thành tựu công nghệ mới nhất được áp dụng vào công tác dạy và học ngoại ngữ các đặc tính của động cơ điện không đồng bộ đặc tuyến hiệu suất h fi p2 đặc tuyến mômen quay m fi p2 đặc tuyến tốc độ rôto n fi p2 động cơ điện không đồng bộ một pha sự cần thiết phải đầu tư xây dựng nhà máy thông tin liên lạc và các dịch vụ phần 3 giới thiệu nguyên liệu từ bảng 3 1 ta thấy ngoài hai thành phần chủ yếu và chiếm tỷ lệ cao nhất là tinh bột và cacbonhydrat trong hạt gạo tẻ còn chứa đường cellulose hemicellulose chỉ tiêu chất lượng 9 tr 25