english exercises on mixed tenses in a text

... combined ozonation and chemical coagulation was also practiced for treatment of textile wastewater from several dyeing and finishing plants Ozonation was observed to be highly effective in complete ... COD and Alkalinity A composite wastewater sample was subjected to treatability study by means of coagulation-flocculation with alum and chemical oxidation with bleaching powder [Ca(OCl)2] separately ... concentrated HCl and lime (CaO) are shown in Table The main thrust for observation was put in the color removal, which was reasonably considered as an indicating parameter for the organic matter,...

Ngày tải lên: 05/09/2013, 17:03

... return to Australia, I (study) months and I (be) in England for exactly one year Sam (arrive) in San Diego a week ago Samantha (live) (live) for nine in Berlin for more than two years In fact, she ... line went dead I (hang) phone and went to the kitchen to make dinner As I (cut) for a salad, the phone rang once again It (be) up the vegetables Angela, but this time she wasn't sitting in class ... (study, at the library) for her final examination in French Sandy is in the living room watching television At this time yesterday, she (watch, also) television That's all she ever does! A: I (call)...

Ngày tải lên: 14/09/2013, 04:10

... Oxford Advanced Learner's Dictionary" to appear in Proceedings of ICDBHSS87, the 1987 International Conference on DataBases in the Humanities and Social Sciences, Montgomery, Alabama, USA Atwell, ... error-tags for all words Adding error tags to a large lexicon is a non-trivial research task; and adding error-tags to the analysis stage increases computation, since there are more tags to choose ... Corpus Tagging Project: Manual Postedit Handbook (A mini-grammar of LOB Corpus English, examining the types of error commonly made during automatic (computational) analysis of ordinary written EnglishJ...

Ngày tải lên: 24/03/2014, 05:21

... 391-398 20 Srinivasa DK, Danabalan M, Prabhakaran GN, Anand D Influence of maternal care, parity, birth weight on neonatal mortality: A prospective study in an urban community Indian J Med Res ... of infant deaths in the neonatal period compared to that in the 789 DUTT AND SRINIVASA post-neonatal period had also changed since 1967 Between 1967 and 1971 the post-neonatal mortality had been ... registration for ANC, number of clinic and home contacts for ANC, tetanus toxoid immunizations, iron and folic acid supplementation and nutritional supplementation (it) Intranatal events: Place and...

Ngày tải lên: 28/03/2014, 11:20

... demand facilitated by resulting accurate and timely information (Cigolini et al 2004), and internal cost savings in functional areas such as warehousing, manufacturing, and accounting via the adoption ... papers in International Journal of Production Research, International Journal of Human Resource Management, Journal of Business and Industrial Marketing, Supply Chain Management: An International ... information that is seamlessly available in real-time to all supply chain participants This seamless, integrated, real-time information supports decision making at the operational, tactical, and...

Ngày tải lên: 28/05/2014, 20:34

... Anderson (199 9a) Oral and Text- based Communication Traditionally, educational interactions have been based upon oral communications between and among teachers and learners Oral communication tends ... (indications of mutual awareness) build and sustain relationships, express a willingness to maintain and prolong contact, and tacitly indicate interpersonal support, encouragement, and acceptance ... Building understanding in an education context is concerned with productive and valid knowledge acquisition A process that is challenging and stimulating is crucial to creating and maintaining a...

Ngày tải lên: 28/06/2014, 23:20

... lieing A doesn’t watch B didn’t watch C wasn’t watching D hadn’t watched A fell B was falling C had fallen D has fallen A snored B was snoring C had snored D has snored A turned B was turning ... was step 26 When boarding the plane, many passengers were annoyed because they…………waiting in the airport for three and a half hours A are B were C have been D had been 27 If coastal erosion continues ... was away on holiday III Hãy sử dụng từ (who, that, which) vànối câu hai cách: A girl was injured in the accident She is now in hospital A man answered the phone He told me you were away A waitress...

Ngày tải lên: 27/07/2014, 10:20

... 726 M Takiya et al Table I Stem number and basal area in the study plots Thinning was performed in 1984 Values (stem number and basal area just before and after thinning and thinning ratio) are ... vegetation at the study site was deciduous hardwood forest dominated by Betula maximowicziana, with Sorbus commixta Hedl and Tilia japonica Simonkai as subdominants This was a secondary stand that ... growing season (May-October) We also examined whether strong winds resulted in early leaffall by regressing relative monthly leaffall (the ratio of monthly leaffall to annual leaffall) on maximum wind...

Ngày tải lên: 07/08/2014, 16:20

... logging residues was monitored for one year in a thinned stand and in an adjacent clear-cut area In the latter, the effect of intensive site preparation involving logging residue incorporation ... substantially following clear-cutting Thus, the mean daily temperatures in the Table III Annual accumulation, return, leaching and uptake of the radiata pine stand For leaching, values in brackets ... plantations in Chile The amounts of nutrients contained in the organic horizon were considerably lower than those reported by Barraqueta and Basagoiti [4] for another Pinus radiata plantation located...

Ngày tải lên: 08/08/2014, 14:21

... explanations Collection of scions from different parts of a crown (with male vs female flowers) of a plus tree may increase maleness variation among ramets (within clones) and finally may cause ... trade-offs between male and female allocation This was done following partitioning variance and covariance components cones RESULTS = Phenology The phenograms of male and female flowering in ... cones per graft were Jonsson et al (1976) found correlations flowering among consecutive years for particular clones Comparable results obtained by Andersson and Hattemer (1978) and Bhumibhamon...

Ngày tải lên: 08/08/2014, 18:21

... induced by intraarticular injection of human recombinant interleukin-1 alpha in the rabbit Arthritis Rheum 1996, 39:1292-1299 Garcia-Pastor P, Randazzo A, Gomez-Paloma L, Alcaraz MJ, Paya M: Effects ... PGE2 (EIA kit-monoclonal; Cayman) concentrations were measured in the cell-culture supernatants in accordance with the manufacturer's instructions Statistical analysis Statistical analyses were ... polymorphonuclear infiltrates, = pannus and fibrous tissue formation and focal subchondral bone erosion, = articular cartilage destruction and bone erosion, and = extensive articular cartilage destruction...

Ngày tải lên: 09/08/2014, 01:23

... The abdominal aorta was wounded just proximal to the iliac bifurcation using an iris blade ABS solution (1 mL) in a glass vial was poured on a gauze tampon through a syringe Either an ABS-soaked ... using ABS on rat abdominal aortas No histopathological change in rat abdominal aortas between ABS and control groups on Days and was found Further prospective studies are also required regarding ... Grade was no apparent reaction product Focal and minimal staining intensity was graded 1, and the most prominent staining reaction Page of covering nearly the whole area of the specimen was classified...

Ngày tải lên: 10/08/2014, 09:22

... oxidation Figure 45 Variations in net precursor 61 Figure 46 Variations in acetylene formation, oxidation, and consumption 62 Figure 47 Reaction rate of acetylene formation, oxidation, and consumption ... - Figure 70 Variations in acetylene formation, oxidation and consumption 84 Figure 71 Variations in net acetylene 86 Figure 72 Variations in reaction rate of acetylene formation and growth with ... Distributions of temperature and soot on the cutting plane at 30 4oATDC in case of single injection without EGR Figure 13 Variation in heat release rate 31 - iii - Figure 14 Variation in average gas...

Ngày tải lên: 13/11/2014, 06:41

... Next, all the interviewees shared the same opinions that another hindrance in teaching English was a triangular language environment In the disadvantaged mountainous areas, minority students mainly ... the language they are learning to interact in realistic and meaningful ways, usually involving exchanges of information” (p.62) In so doing they will draw available vocabulary, grammar, 14 and ... communication is more than structures accuracy particularly at the beginning stages of language learning Errors are a manifestation of the fact that learning is taking place (p.12) In a similar manner,...

Ngày tải lên: 28/03/2015, 09:33

... englisch-hilfen.de – LEARNING ENGLISH ONLINE while I was working I wasn't working Was I working? He was working He wasn't working Was he working? I was going I wasn't going Was I going? He was going Past Progressive ... he gone? I have been working an action happened in the middle of another action someone was doing sth at a certain time (in the past) - you was/were + infinitive + ing don't know whether it was ... englisch-hilfen.de – LEARNING ENGLISH ONLINE Has he been going? englisch-hilfen.de – LEARNING ENGLISH ONLINE mostly when two actions in a story are related to each other: the action which had already happened...

Ngày tải lên: 07/08/2015, 15:32

... multivariate environmental data by environmental data in copula segmentation Time varying structural Copula based multivariate reliability analysis structural dynamic analysis Chapter Conclusions and ... Structural Analysis Response Reliability Analysis Collection Statistical characterization, mean μ, standard deviation ζ, etc Figure 2.2 Schematic showing of statistical response characterization in ... Rosenblatt transformation has also been advocated for cases where the joint probability distribution are known whereas Nataf transformation is appropriate for the case that only partial information is...

Ngày tải lên: 10/09/2015, 09:31

... the signal and executes [3] [2] Emulation was done with two MIDlets (JAVA programs in mobiles/PDAs) one a server and the other one a client The server was set as a manufactured Bluetooth on/ off ... perceive various illumination, security and appliances occurrences to manipulate [1] CLIENT SIDE SIGNALS In the client side, the main application that does all the work and organization of the ... byte[] data = new byte[size]; byte[] msg_data = msg.getBytes(); System.arraycopy( msg_data, 0, data, 0, msg_data.length); con.send( data ); Thread.sleep(1000); int read = con.receive( data ); con.close();...

Ngày tải lên: 14/09/2015, 10:30

... manifolds, in: Conference on Harmonic Analysis in Honor of Antoni Zygmund, vols I, II, in: Wadsworth Math Ser., Wadsworth, Belmont, CA, 1983, pp 821–837 [29] X Wang, On conformally compact Einstein manifolds, ... Riemannian manifolds and their applications to geometry, Indiana Univ Math J 25 (1976) 659–670 [32] G Yun, Total scalar curvature and L2 harmonic 1-forms on a minimal hypersurface in Euclidean ... mentioned in the introduction, there are several vanishing theorems for L2 harmonic forms on complete noncompact stable minimal hypersurfaces Recall that ω is an L2 harmonic 1-form on M if it satisfies...

Ngày tải lên: 14/10/2015, 08:43

... would also like to express appreciate to all my laboratory mates, namely Divya Shankari Srinivasa Ragha, Shruti Vyas, Subhabrata Das, Thulasya Ramanathan and Gayathri Natarajan, and laboratory ... surface water and 430 ng/l in treated wastewater in Europe, ng/l in natural surface water and 300 ng/l in treated wastewater in US and 13 ng/l in natural surface water and 440 ng/l in treated wastewater ... for about 20 days a year Combining the scarce available data which included indicative figures on the content of nanomaterials in various products and usage profiles, an estimate on the contribution...

Ngày tải lên: 10/11/2015, 11:07

... viewed as understanding one conceptual domain in terms of another conceptual domain Sharing the same view, a definition given by Cambridge Advanced Learner‟s Dictionary considers metaphors as “an ... processes as visualization and conceptualization or progresses as increases in quality and quantity or goal approaching and completion are seen as paths with initial and final points Particle out is ... existence of a literal or metaphorical container which reveals meaning of phrasal verbs with out in other abstract domains In business situations, many abstract domains such as accessibility, inaccessibility,...

Ngày tải lên: 02/03/2015, 14:22