... ¯ow in structured and sandy soils: consequences for modeling and monitoring (Chapter 5) In: Everett, L., Cullen, S., Wilson, L (Eds.), Handbook of Vadose Zone Characterization and Monitoring Lewis ... greenhouse were randomly determined The upper 10 cm of soil was carefully handtilled in preparation for pH adjustment and sludge incorporation Once ¯ow systems were installed and hand-tilling was ... small deltaic deposit The sandy loam topsoil (A1 to 12 cm mean depth, A2 to 25 cm) was underlain by a variety of subsoil horizons: ®ne sand, loamy sand and silty sand The Arkport area was about...
Ngày tải lên: 16/03/2014, 00:07
... and resistant flies and a mixture (50:50) of susceptible and resistant flies (a) Doses and responses on linear scales (b) Doses on log scale and responses on probit scale LD50), will be large and ... disinfectants and general biocides, preservatives, pest control and other biocides and these are further broken down into 23 separate categories Pesticides have one or more standard name(s) and one ... physiology, and neurophysiology Breidbach, O and Kutsch, W 1995 The Nervous Systems of Invertebrates: An Evolutionary and Comparative Approach Birkhäuser Verlag, Basel, Switzerland 448 pp Levitan, I.K and...
Ngày tải lên: 03/04/2014, 12:11
Báo cáo hóa học: "Research Article Self-Localization and Stream Field Based Partially Observable Moving Object Tracking" potx
... given in Section 4, and finally Section concludes this paper The Stream Field-Based Motion Model for POMOT The potential field and stream field are widely used in motion planning and obstacle avoidance ... Stream field-based motion model (b) A real environment The Proposed Localization and Partially Observable Moving Object Trakcing Algorithm 3.1 POMOT Using the Stream Field-Based Motion Model and ... localization with EKF and odometer data is conducted Finally, the performance of PF using the stream field-based motion model and RBPF using the stream fieldbased motion model are compared 4.1...
Ngày tải lên: 21/06/2014, 20:20
Chemical Pesticides: Mode of Action and Toxicology - Chapter 2 pptx
... and resistant flies and a mixture (50:50) of susceptible and resistant flies (a) Doses and responses on linear scales (b) Doses on log scale and responses on probit scale LD50), will be large and ... drawn on three different models for four populations (a) Doses and responses in linear scale (b) Doses in log scale and responses in linear scale (c) Doses in log scale and responses in probits ... here is the relative response of two substances A and B, given together in doses a and b, while pa and pb are the expected relative responses when a and b are given separately In cases where there...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 3 pps
... iron and copper atoms in the enzyme Cyanide is very fast acting and blocks respiration almost totally Phosphine is used extensively as a fumigant and is very efficient in the control of insects and ... Tetrapyrrol and protoporphyrin accumulate, act as photosensitizers, and cause photooxidation and necrosis They are contact herbicides and are more active in strong sunlight 3.3 General SH reagents and ... acetochlor, alachlor, butachlor, and several others) and a group of fungicides referred to as phenylamides (metalaxyl, ofurace, and oxadixyl) They have similar structure and mode of action: O C CH2R’’...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 4 ppt
... habitats such as soil, mushroom compost, and stored products Bt may be present in samples from beach deserts and tundra, and may multiply in cadavers of insects and other animals Insecticidal activity ... channels where ions can freely pass This model proposes that an influx of water, along with ions, results in swelling and lysis The epithelium is destroyed and the insect rots Consumption of food ... feeding of Lepidoptera larvae and paralysis of the gut that retards the passage of food and allows the spores to germinate The larvae suffer a general paralysis and die Bt israelensis-treated...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 5 docx
... values are 13 and 3.6 mg/kg, respectively, and the dermal values are 21 and 6.8 mg/kg, respectively For mouse, guinea pig, rabbit, cat, dog, and horse, the LD50 values are between and 50 mg/kg ... glutamate and ammonia, and the first common enzyme in the biosynthesis of the branched-chain amino acids 5.2.1 The mode of action of glyphosate The amino acids tryptophan, phenylalanine, and tyrosine ... ubiquinone, and vitamin K, which are essential substances for plants and other life-forms The cofactor tetrahydrofolate is required for biosynthesis of the amino acids glycine, methionine, and serine, and...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 6 ppsx
... biochemistry, cell biology, and neurobiology (e.g., Alberts et al., 2002; Breidbach and Kutsch, 1995; Gullan and Cranston, 2000; Levitan and Kaczmarek, 2002; Nelson and Cox, 2000; Rockstein, 1978; ... along the axon and is then transmitted to the receiving cell at the synapse are not extremely complicated, and some knowledge about this mechanism is of importance in understanding the mode of action ... bleeding from the mouth and tongue resulting v Backward movement, with loss of balance and somersaulting vi Head-retraction, convulsions, gasping and biting vii Collapse and death In hyper-acute...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 8 pptx
... A and B are constants) They measured the vapor densities of p,p-DDT on sand at 20, 30, and 40˚C and found them to be 2.9, 13.6, and 60.2 ng/l Furthermore, Spencer and Cliath found that DDE and ... between 21 and 85% of all DDT applied between 1945 and 1968 remained in the soil as DDT (about 75%) and DDE (about 25%) (Stenersen and Friestad, 1969) 8.4 Evaporation Volatilization and vapor ... concentrate on rats and other vertebrates Valuable data on pesticide biotransformation are also found in Hayes and Laws (1991a and b), Miyamato et al (1988), and Rockstein (1978) Chambers and Yardbrough’s...
Ngày tải lên: 11/08/2014, 12:21
Chemical Pesticides: Mode of Action and Toxicology - Chapter 9 pdf
... area and the resultant offspring will be heterozygotes and susceptible to the pesticide The refuge strategy has two critical assumptions: that inheritance of resistance is recessive, and that random ... orchards, and with vine crops, causing resistance in the weeds of the genuses Amaranthus and Chenopodium Over 55 weed species had evolved triazine resistance before 1990 in the U.S (Holt and Lebaron, ... scoparia and Stellaria media after years of extensive use in cereals and maize Acetyl-coenzyme A carboxylase inhibitors are widely used for annual grass control in soya, cotton, sugar beets, and cereals...
Ngày tải lên: 11/08/2014, 12:21
Báo cáo khoa học: "A Combination of Atrioventricular Block and Sinoatrial Block in a Horse" ppt
... concomitant second degree atrioventricular and sinoatrial block The underlying rhythm is a slight sinus arrhythmia The pause between the first blocked P wave and the next P wave is slightly longer ... case of a concomitant AVB and SAB in the horse The horse was clinically normal and used for jumping so this type of conduction disturbance could be taken as a functional block However, periodic ... H: Effect of initial handling and training on autonomic nervous function in young thoroughbreds Am J Vet Res., 2002, 63, 1488-1491 Reef VB: Frequency of cardiac arrhythmias and their significance...
Ngày tải lên: 12/08/2014, 15:21
Báo cáo y học: "Mode of delivery and cord blood cytokines: a birth cohort study" pot
... [2-5] and atopy [6-8], further understanding of the relationship between mode of delivery and immune system ontogeny is needed Study cohort Pregnant women were recruited between July 2003 and November ... delivery Secretion of IL-13 by CBMCs (at baseline and after stimulation with PHA and LPS) and IFN-γ (at baseline and after stimulation with antigens and PHA) was also higher in neonates born by cesarean ... at baseline and after stimulation with Fel d and LPS, and with increased secretion of IFN-γ in response to LPS stimulation (Table 4) and with IFN-γ secretion by CBMCs at baseline and in response...
Ngày tải lên: 13/08/2014, 13:22
Báo cáo y học: " Access block and emergency department overcrowding" ppt
... understanding the operation of EDs and how this is impacted by access block and overcrowding, and the resulting effects on patients and staff To so we need to identify clinical/system factors, and ... underlying science [12] Therefore, specific studies and actions are necessary to understand and deal with the problems of long waiting lists and access block in any given health care facility [12] Magnitude ... been documented that EDs and inpatient units are facing challenges associated with the impact of access block and ED overcrowding on radiology and pathology Increased demand for imaging can result...
Ngày tải lên: 14/08/2014, 07:21
autoscaling application block and transient fault handling application block reference
... Transient Fault Handling Application Block 128 What Does the Transient Fault Handling Application Block Do? 130 Hosting the Transient Fault Handling Application Block ... Fault Handling Application Block with Windows Azure SQL Database 149 The Design of the Transient Fault Handling Application Block 151 Extending and Modifying the Transient Fault Handling ... Application Block, see "Extending and Modifying the Autoscaling Application Block. " For more information about extending the Transient Fault Handling Application Block, see "Extending and Modifying...
Ngày tải lên: 20/10/2014, 13:54
development of compressed block and green mortar using loess (hwangto)
... compressed block Compressed earth block are installed onto the wall by hand and slurry made of a soupy version of the same clay mix and aggregate is spread or brushed very thinly between the blocks ... minimum and maximum liquid and plasticity values For soil product using in rammed earth and compressed earth block, the suitable ranging are between 16 – 28% and 32- 46% for plasticity index and ... 2- Recommended area of dry density and moisture content for adobe, rammed earth and compressed earth blocks following Houben and Guillard 19 Fig 3- Sand grading 28 Fig 3- Rice...
Ngày tải lên: 13/11/2014, 06:27
Cryptography and Network Security Block Cipher doc
... (encrypting PIN and so on) CS595-Cryptography and Network Security Model q Mode of use Ø Ø q Block modes Ø q The way we use a block cipher Four have been defined for the DES by ANSI in the standard: ... Modern Private Key Ciphers q Stream ciphers Ø The most famous: Vernam cipher Ø Invented by Vernam, ( AT&T, in 1917) Ø Process the message bit by bit (as a stream) Ø (Also known ... standard: ANSI X3.106-1983 modes of use) Splits messages in blocks (ECB, CBC) Stream modes Ø On bit stream messages (CFB, OFB) CS595-Cryptography and Network Security Block Modes q Electronic Codebook...
Ngày tải lên: 22/03/2014, 14:20