0

direct seeded tropical soil systems with permanent soil cover learning from brazilian experience

Biological approaches to sustainable soil systems - Part 3 potx

Biological approaches to sustainable soil systems - Part 3 potx

Cao đẳng - Đại học

... managed either directly or indirectly by farmers, are the plants themselves with their root systems and litter, soil organisms (soil fauna and microbes, including antagonists of soil pests and ... interactions with the soil through plant root systems and litter, and the most favorable management of ground vegetation (intercrops, cover crops, and weeds) to have permanent soil cover that feeds ... fields of soil biology and management of tropical ecosystems Provide land users in the tropics with methods for soil management that improve agricultural productivity while conserving soil resources...
  • 321
  • 1,032
  • 1
Customer satisfaction: review of literature and application to the product-service systems

Customer satisfaction: review of literature and application to the product-service systems

Kỹ năng bán hàng

... journals with the use of several databases ELIN, Lovisa, Science Direct, Emerald, ABI Inform available at Lund University and through national Swedish library database LIBRIS A number of interviews with ... selective sampling of literature that deals with issues or methods, which might be applicable for studying the field of product-service systems It is far from an overview of how consumption has been ... external sources The search for information usually begins with the internal search for any sort of information, memory, or experience with a product or service The outcomes of this stage depend...
  • 61
  • 907
  • 0
Tài liệu Evolution of GSM and cdmaOne to 3G Systems pptx

Tài liệu Evolution of GSM and cdmaOne to 3G Systems pptx

Hóa học - Dầu khí

... 2110–2170 2170–2200 Comment Unpaired Unpaired Paired with MSS paired with Unpaired Paired with MSS paired with CHAPTER EVOLUTION OF GSM AND CDMAONE TO 3G SYSTEMS 1800 1850 1900 1950 2000 2050 2100 ITU ... recover data from a narrow beam of a smart antenna because the radio channels for the data and CPICH may be very different A smart antenna with its narrow beams will create radio channels with ... refarmed to provide extra 3G spectra No 3G systems are currently deployed, although trials are in progress As a consequence, this chapter, which deals with systems that are about to be deployed,...
  • 100
  • 437
  • 0
A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx

A Guide to the Analysis of Fish Marketing Systems Using a Combination of Sub-sector Analysis and the Sustainable Livelihoods Approach potx

Tiếp thị - Bán hàng

... for example, wholesale traders compete with other wholesalers, and exporters with other similar players Competition comes from domestic sources, as well as from other countries Understanding the ... DFID programme to develop strategies and management systems with similar objectives Although the following three main research areas were covered, it was not always possible to keep them completely ... Evaluation of a Systems- based Approach to the Reduction of Blowfly Infestation of Traditionally Processed Fish in Tropical Developing Countries’ (MD Associates) (1) Fish Marketing Systems. qxd 8/8/03...
  • 95
  • 645
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "EVALUATION OF NATURAL LANGUAGE INTERFACES TO DATA BASE SYSTEMS" pdf

Báo cáo khoa học

... is borrowed from Malinoweki °s tern "phacic colmtmion" with which he referred to chose vocal u t t e r a n c e s chat s e r v e to establish s o c i a l relations racher than the direct purpose ... n c e s with p r o n o u n s , e g , '~/hat is its length?", "what is in its pyrotechnic looker?" 30 Sentences with quantifier(s), e.g., "List the class of each cargo." 71 Sentences with conjunctions, ... with quantifier and conjunction(s), e.g., "List hatch width and hatch length of each deck of the Alamo." 13 Sentences with relative clause, e.g., "List the ships that have water." Sentences with...
  • 4
  • 341
  • 0
ELECTIONS: Federal Efforts to Improve Security and Reliability of Electronic Voting Systems Are Under Way, but Key Activities Need to Be Completed doc

ELECTIONS: Federal Efforts to Improve Security and Reliability of Electronic Voting Systems Are Under Way, but Key Activities Need to Be Completed doc

Kế toán - Kiểm toán

... cast and counted by one of two types of electronic voting systems: optical scan systems and direct recording electronic (DRE) systems Such systems include the hardware, software, and firmware used ... misconfigured their electronic voting systems, leading to could be modified election day problems • Supervisor functions were protected with weak • Voting systems experienced operational or easily ... of Voting Systems Table 5: EAC Security and Reliability Practices for Optical Scan Voting Systems Table 6: EAC Security and Reliability Practices for Direct Recording Electronic Voting Systems...
  • 107
  • 394
  • 0
Báo cáo khoa học:

Báo cáo khoa học: "The adaptation of a machine-learned sentence realization system to French" potx

Báo cáo khoa học

... German system ranges from just to.7,876 in the order model Data and feature extraction The data for all models are automatically extracted from of a set of 100,000 sentences drawn from software manuals ... sentences, drawn from technical software manuals in French The models are tested on a test corpus of the same domain (but distinct from the training corpus) All the examples in this paper come from that ... this evaluation, 545 test sentences from a blind software manual corpus were analyzed with our NLPWin analysis system, producing a logical form for each sentence From each logical form, our sentence...
  • 8
  • 295
  • 0
direct methods for stability analysis of electric power systems theoretical foundation, bcu methodologies, and applications

direct methods for stability analysis of electric power systems theoretical foundation, bcu methodologies, and applications

Đại cương

... before they can become a practical tool From an analytical viewpoint, direct methods were originally developed for power systems with autonomous postfault systems As such, there are several challenges ... for general nonlinear systems This is a fundamental drawback of the Lyapunov direct method Therefore, faced with specific nonlinear dynamical systems, one often has to use experience, intuition, ... working with 12,000-bus power systems to gain insight into the practical aspects of power systems His advice has helped shape my research and development these last 15 years I am very grateful to Director...
  • 511
  • 1,152
  • 0
Báo cáo hóa học:

Báo cáo hóa học: " Changes in the criticality of Hopf bifurcations due to certain model reduction techniques in systems with multiple timescales" pdf

Hóa học - Dầu khí

... scale associated with the bifurcating directions (i.e corresponding to the real part of the complex conjugate pair of eigenvalues) will be comparable with the time scale(s) associated with the slow ... discussed above, when applied to slow-fast systems with a Hopf bifurcation, may lead to changes in the criticality of the Hopf bifurcation From a dynamical systems point of view, it is well established ... B.: Singular Hopf bifurcation in systems with fast and slow variables J Nonlinear Sci 8, 457–490 (1998) 36 Guckenheimer, J.: Singular Hopf bifurcation in systems with two slow variables SIAM J...
  • 22
  • 370
  • 0
báo cáo hóa học:

báo cáo hóa học: " Characterizing emergency departments to improve understanding of emergency care systems" potx

Hóa học - Dầu khí

... Example Contiguous ED without triage to service and with separate general population care Massachusetts General Hospital, Boston, MA, USA Contiguous ED without triage to service and with combined general ... of patients being admitted to the hospital from the ED, but rather to the process whereby patients arriving at the ED are directed to emergency care from non-EM specialties (e.g., to a medical ... emergency care systems internationally have experienced problems of oversimplification [6,7] Rather than relying on regional or national characteristics to encompass local variation, observing systems...
  • 8
  • 429
  • 0
báo cáo hóa học:

báo cáo hóa học:" Research Article Pitch- and Formant-Based Order Adaptation of the Fractional Fourier Transform and Its Application to Speech Recognition" pptx

Hóa học - Dầu khí

... them to an artificially-generated vowel [i:] with time-varying pitch The excitation of the vowel is a pulse train with linearly decreasing frequency from 450 Hz to 100 Hz, and the formants of the ... which are extracted from a real female vowel The sampling rate is 8000 Hz, and the total duration of the signal is 1.5 secondes Short-time analysis with FFT and FrFT was done with a Hamming window ... multiplication method with different number of N’s can significantly increase the scores for vowels [i] [e], and [o] and [u] compared with MFCC These four vowels achieve their best results with different...
  • 14
  • 384
  • 0
Báo cáo khoa hoc:

Báo cáo khoa hoc:" Estimates of direct and maternal covariance functions for growth of Australian beef calves from birth to weaning" doc

Báo cáo khoa học

... Hereford Total no of records No of animals with records With record With records With records With records With records With records With records With records With records No of animals in analysis ... 105.21 Orders of fit for direct additive genetic, maternal additive genetic, direct permanent environmental and maternal permanent environmental polynomials, respectively (a) Direct, additive genetic ... phenotypic (σP ), direct additive-genetic (σA ), direct permanent 2 environmental (σR ), maternal genetic (σM ), maternal permanent environmental (σC ) and measurement error (σ ) variances, from random...
  • 28
  • 295
  • 0
Báo cáo y học:

Báo cáo y học: "Adaptation of Rhizobium leguminosarum to pea, alfalfa and sugar beet rhizospheres investigated by comparative transcriptomics" docx

Báo cáo khoa học

... to an indirect comparison of rhizospheres (Table 1, Figure S1 in additional file 4) By contrast, relative levels of gene induction were also directly compared from bacteria isolated from the ... high-affinity ABC systems in rhizobia (and other α-proteobacteria) results from selective adaptation to the oligotrophic nature of soil and rhizosphere General adaptation to the rhizosphere: Dealing with ... elevated specifically in the pea rhizosphere (using both direct and indirect comparisons (Table S2 in additional file 7)) are encoded on pRL8 With a threshold of up-regulated at ≥2-fold, p ≤0 05...
  • 44
  • 461
  • 0
báo cáo khoa học:

báo cáo khoa học: " Adaptation of barley to mild winters: A role for PPDH2" pps

Báo cáo khoa học

... diversity is the result of deletions or insertions within the first intron of the gene, and is associated with a gradation of vernalization responses from strict winter to spring types In general, ... trial observations Heading date in our trial occurred from May 10th until July 13 th The photoperiod experienced by the plants increased from 12 h 25 at transplanting to 14 h 53 when the first ... Germplasm from the SBCC is maintained with funding from projects RFP2004-00015-00-00 and RFP2009-00005-00-00 MCC was supported by an I3P Predoctoral Fellowship from CSIC Author details Department...
  • 13
  • 246
  • 0
báo cáo khoa học:

báo cáo khoa học: " Metabolic adaptation of skeletal muscle to high altitude hypoxia: how new technologies could resolve the controversies" pdf

Báo cáo khoa học

... biological systems and the response of such systems to stress [71]; for example, the integration of metabolomic and transcriptomic data with measures of exercise efficiency and gas exchange within ... electron leak from a highly reduced respiratory chain, with complex III implicated as a major source of this leakage [32] A role for ROS in hypoxic signaling and adaptation has been proposed, with oxidative ... collaborative studies that bring together researchers with a wide range of expertise, both from the established altitude research community and from other research backgrounds, are clear and greatly...
  • 9
  • 232
  • 0
Báo cáo y học:

Báo cáo y học: " Direct spread of thyroid follicular carcinoma to the parotid gland and the internal jugular vein: a case report" pot

Cao đẳng - Đại học

... connected with a rich interlacing network of lymph vessels Lymph entrance to the gland may be direct, without involvement of the paraglandular lymph nodes, may be secondarily deposited from paraglandular ... of an advanced disease with vascular invasion would be radical surgery to remove a macroscopic disease This is followed by high-dose radioiodine ablative therapy with or without external beam ... mostly detected at autopsy [1-3] Both of these organs were involved in our patient following direct spread from a thyroid follicular carcinoma Two general types of metastases should be distinguished...
  • 3
  • 298
  • 0

Xem thêm