997 resultados para Prophets, Pre-Islamic
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Maailmassa on tälläkin hetkellä käynnissä useita sotaan rinnastettavia aseellisia selkkauksia. Käsite sota on kuitenkin menettänyt merkitystään ja sen on korvanneet käsitteet kuten aseellinen selkkaus ja konflikti. Kansainvälisessä ja humanitaarisessa oikeudessa on epäonnistuttu käsitteiden määrittelyssä, mikä on luonut haasteita lakien ja säädösten tulkintaan. Sodankuvan muutoksen ja kansainvälisen oikeuden kehittymisen myötä myös sodan julistus on menettänyt merkityksensä, mikä on johtanut siihen, että aseellisten selkkausten ja konfliktien alkuajankohtaa on hyvin vaikea määritellä. Tässä tutkimuksessa avataan ja selvennetään käsitteen pre-conflict merkitys käsiteanalyysin avulla. Päämääränä ei ole kääntää käsitettä suomeksi, vaan tuottaa lisää tietoa käsitteestä. Tutkimusaineistona käytetään EU:n, YK:n sekä Naton virallisia tiedotteita vuonna 2011 alkaneesta Syyrian tilanteesta. Analyysin avulla saavutetaan ymmärrys EU:n, YK:n sekä Naton käsitteiden käytölle, jonka avulla käsitteen pre-conflict ominaispiirteet, säännönmukaisuudet ja syysuhteet kyetään tunnistamaan. Analyysin ensimmäisessä osassa keskitytään käsitteen osien alkuperän tunnistamiseen ja analyysin tavoitteiden asettamiseen. Seuraavassa osassa Syyrian tilanteelle suoritetaan perusteellinen analyysi, jonka avulla käsitteen ominaispiirteet kyetään tunnistamaan. Pääkäsite erotetaan sen lähikäsitteistä sota, sisällissota sekä kriisi ja sen pohjalta käsitteelle luodaan ennakkoehdot ja seuraukset. Lopuksi pragmaattisuuden tavoittelemiseksi käsitteelle luodaan malliesimerkki Syyrian tilanteeseen sitoen. Tutkielma tiivistyy empiiriseen malliin, josta käsitteen tarkasteleminen yksinkertaistuu. Laajan kirjallisuuskatsauksen tuloksena voidaan käsitteen todeta tarkoittavan aikaa ennen konfliktia. Käsite konflikti on rinnastettavissa kansainvälisessä oikeuden tunnistamaan aseelliseen selkkaukseen. Keskeisimmät tutkimustulokset liittyvät käsitteen pre-conflict ajalliseen rajaukseen. Ajallisesti pre-conflict-ajan alku rajautuu yksittäiseen tapahtumaan, minkä jälkeen tilanne ei tule päättymään ennen kuin aseellinen selkkaus on saavuttanut ratkaisunsa. Pre-conflict-aika rajaa rauhanajan sekä erilaiset yhteiskunnalliset häiriötilanteet ajasta, jolloin häiriötilanteet eskaloituvat aseelliseksi selkkaukseksi sekä aikaan jolloin tilanne on jo eskaloitunut aseelliseksi selkkaukseksi. Kohdistettaessa tutkimusta aikaan ennen aseellisen selkkauksen alkua saadaan tietoa eskaloitumisen syistä, jolloin ennaltaehkäisevät toimenpiteet olisivat hyödynnettävissä alkavissa tilanteissa. Sotilaallisiin kriiseihin tai aseellisiin selkkauksiin liittyy voimakeinojen käyttö, joita säännellään kansallisessa lainsäädännössä. Voimankäyttö perustuu osittain kansainvälisen oikeuteen ja niiden sopimuksiin, joissa säädetään muun muassa suhteellisen voimankäytön periaate. Siinä missä rauhanaikana varaudutaan erinäisiin uhkatilanteisiin ja laaditaan suunnitelmia häiriötiloja ja poikkeusoloja varten, tulisi myös varautua poistamalla käsitteisiin liittyvät epäselvyydet. Laatimalla malleja, joiden avulla alkavat tilanteet tai aseelliset selkkaukset tunnistetaan ajoissa, mahdollistetaan oikeanaikainen päätöksenteko ja ennaltaehkäisevät toimenpiteet.
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Para se conhecer a ação de misturas de alachlor com diuron ou com cyanazine para o controle de monotiledôneas e de dicotiledôneas em cultura de algodão 'IAC-17', foi conduzido um experimento de campo, em 1981/82, em Mogi-Mirim, SP, em solo com textura areno-argilosa, onde alachlor a 2,15 kg, 2,58 kg e 3,01 kg/ha foi aplicado em mistura de tanque com diuron, a 1,00 kg/ha ou com cyanazine a 1,00 kg/ha. Os herbicidas que compuseram as misturas foram empregados isoladamente, naquelas mesmas doses. Constaram do experimento ainda, duas testemunhas mantidas sem mato por meio de capinas e uma testemunha sem capina. Os 14 tratamentos foram distribuídos em blocos ao acaso, com quatro repetições. Foram realizadas observações visuais de infestação de mato aos 14, 31, 45, 75, 82, 94 e 100 dias após a aplicação dos herbicidas. Quando, pelo menos, uma parcela do tratamento atingia 25% de reinfestação, todo o tratamento era capinado e mantido no limpo até a colheita. Foram consideradas também a altura das plantas, sua população e a produção do algodão em caroço. Os resultados obtidos mostram que alachlor a 3,01 kg/ha + diuron a 1,00 kg/ha conseguiram bons resultados de controle das plantas daninhas por período de 100 dias enquanto que alachlor a 2,58 kg/ha + diuron a 1,00 kg/ha, e alachlor a 2,58 kg/ha e a 3,01 kg/ha + cyanazine a 1,00 kg/ha persistiram com sua ação de controle por 94 dias. Os tratamentos com alachlor a 3,01 kg/ha, diuron a 1,00 kg/ha, alachlor a 2,15 kg, 2,58 kg e 3,01 kg/ha em mistura com diuron a 1,00 kg/ha, e ainda alachlor a 3,01 kg/ha + cyanazine a 1,00 kg/ha, apresentaram tendências a reduzir a altura das plantas, segundo resultados de suas análises pelo teste de Tukey a 5%, sendo que a testemunha sem capina apresentou altura significativamente inferior aos demais tratamentos. A população e a produção não foram influenciadas pelos tratamentos com herbicidas, sendo semelhantes à testemunha capinada e superiores à testemunha sem capina.
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Anu Yijälän väitöskirja Pre-acculturation among voluntary migrants (Helsingin yliopisto 2012).
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Field trial was conducted with the aim of utilizing allelopathic crop residues to reduce the use of synthetic herbicides in broad bean (Vicia faba) fields. Sunflower residue at 600 and 1,400 g m-2 and Treflan (trifluralin) at 50, 75 and 100% of recommended dose were incorporated into the soil alone or in combination with each other. Untreated plots were maintained as a control. Herbicide application in plots amended with sunflower residue had the least total weed count and biomass, which was even better than herbicide used alone. Integration of recommended dose of Treflan with sunflower residue at 1,400 g m-² produced maximum (987.5 g m-2) aboveground biomass of broad bean, which was 74 and 36% higher than control and recommended herbicide dose applied alone, respectively. Combination of herbicide and sunflower residue appeared to better enhance pod number and yield per unit area than herbicide alone. Application of 50% dose of Treflan in plots amended with sunflower residue resulted in similar yield advantage as was noticed with 100% herbicide dose. Chromatographic analysis of residue-infested field soil indicated the presence of several phytotoxic compounds of phenolic nature. Periodic data revealed that maximum suppression in weed density and dry weight synchronized with peak values of phytotoxins observed 4 weeks after incorporation of sunflower residues. Integration of sunflower residues with lower herbicide rates can produce effective weed suppression without compromising yield as a feasible and environmentally sound approach in broad bean fields.
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This study aimed to evaluate different crops and plant species planted after soybeans for one year, in terms of their potential to inhibit the occurrence of weed species. The following crops that were planted as second crop after soybeans were evaluated: (1) corn (Zea mays) planted at spacing of 90 cm between rows, intercropped with Brachiaria ruziziensis in the inter-rows; (2) sunflower (Helianthus annuus); (3) crambe (Crambe abyssinica); (4) radish (Raphanus sativus); (5) rapeseed (Brassica napus); and (6) winter fallow - no plantation after soybeans. Phytosociological characterization of weed species was carried out at the pre-planting of soybeans in the following cropping season. Estimations of relative abundance, relative frequence, relative dominance and Importance Value Index were made for each species present. Areas were also intra-characterized by the diversity coefficients of Simpson and modified Shannon-Weiner, and areas were compared using the Jaccard similarity coefficient for presence-only, by multivariate cluster analysis. In the short‑term (a single cropping season), cultivation of winter crops do contribute for lower occurrence of weed species at the pre-planting of soybeans on the subsequent cropping season. The suppressive effects depend both on the species grown in the winter and in the amount of straw left on the soil by these winter crops. Radish was more efficient in inhibiting the occurrence of weed species and rapeseed showed composition of infestation similar to that observed at the area under fallow.
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The weed Borreria densiflora is a management issue in soybean and sugarcane crops from North and Northeastern Brazil. Knowledge upon chemical control of B. densiflora contributes to the integrated management of this weed species, especially when active ingredient options become reduced due to the selection of herbicide resistant or tolerant weed species. Experiments in pre- and post-emergence of B. densiflora were conducted in greenhouse, in a randomized block design and four replications. In pre-emergence, the dose-response curve methodology was used and 7 herbicides were tested. In post-emergence, 9 herbicides at the recommended rate and 4 herbicide mixtures were tested. For pre and post-emergence conditions, evaluations were conducted at 60 and 21 days after treatment (DAT), respectively, and the variables analyzed were weed control and dry weight (%). The results showed options of pre-emergent herbicides that can be used for controlling B. densiflora, especially in sugarcane, where chemical weed control is mainly based on pre-emergent applications. In the current glyphosate resistance scenario, one should consider the use of pre-emergent herbicides within an integrated management of B. densiflora. For satisfactory post-emergence control, B. densiflora plants should be sprayed at the phenological stage of up to three pairs of leaves. Herbicide mixtures have been and will continue to be an important tool in chemical weed management, broadening the spectrum of weed control, while diversifying herbicide mechanisms of action, which helps to prevent or delay the appearance of herbicide resistance.
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ABSTRACT The aim of this work was to evaluate the weed management with herbicides applied in pre and postemergence on castor crop. The treatments were constituted by management systems using herbicides in pre (PRE) and postemergence (POS): 1) S-metolachlor at 576 g ha-1 (PRE 1) and chlorimuron-methyl at 15 g ha-1 (POS 1); 2) PRE 1 + clomazone at 650 g ha-1(PRE 2) and POS 1; 3) PRE 1, POS 1 and halosulfuron-methyl at 112.5 g ha-1(POS 2); 4) PRE 1, POS 1 and ethoxysulfuron at 60 g ha-1 (POS 3); 5) PRE 1, POS 1 and ethoxysulfuron at 120 g ha-1 (POS 4); 6) PRE 1 + PRE 2, POS 1 and POS 2; 7) PRE 1 + PRE 2, POS 1 and POS 3; 8) PRE 1 + PRE 2, POS 1 and POS 4; 9) hand-hoeing control and 10) non-weeded control. The experimental design was randomized blocks with four replications. The association of the herbicides in PRE combined to sequence applications of chlorimuron-ethyl and halosulfuron-methyl or ethoxysulfuron in POS resulted in the highest control levels of Richardia scabraand Cyperus ferax. Mild phytointoxication symptoms to the crop were more persistent with ethoxysulfuron at 120 g ha-1. The acceptable control of the weed species and similar yield to the hand-hoeing control permitted to conclude that S-metolachlor + clomazone PRE, followed by chlorimuron-ethyl and halosulfuron-methyl POS proved to be more adequate as a weed management strategy on castor crop.
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1 kartta :, käsinvär. ;, 44,2 x 53,4 cm, lehti 53 x 62 cm
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Julkaisussa: Cartes générales de la géographie ancienne et nouvelle, ou les empires, monarchies, royaumes, estats, républiques, et peuples. Vol I
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Nimeke- ja tekijätiedot nimiönkehyksissä
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A rapid increase in allergic diseases in Western societies has led to the conclusion that our modern lifestyle is a risk factor for immune dysregulation. Potential culprits and benefactors are searched among early dietary and microbial exposures, which may act to program later allergic disease. The aim of this thesis was to investigate the role of early maternal and child nutrition in reducing the risk of child allergy. The study population comprised of 256 mother – child pairs from families with a history of allergy participating in a randomized controlled dietary counseling and probiotic intervention (Lactobacillus rhamnosus GG and Bifidobacterium lactis Bb12) study from early pregnancy onwards. The dietary counseling aimed for a diet complying with dietary recommendations for pregnant and lactating women, with special attention to fat quality. Maternal dietary counseling was reflected in cord blood fatty acids suggesting better essential fatty acid status in infants in the counseling group. Dietary counseling with probiotics or placebo had no effect on child allergy risk, but associations between maternal diet during pregnancy and breastfeeding and child allergic outcomes were found in secondary analyses. During pregnancy, milk intake was related to decreased and cheese intake to increased risk of child atopic eczema. During breastfeeding, intake of vitamin C was related to increased risk of asthma and intake of egg was related to decreased risk of atopic eczema. The timing of introduction of complementary foods to infant’s diet was not associated with risk of atopic eczema, when adjusted with parental opinion of child allergic symptoms (i.e., potential reverse causality). In conclusion, the results demonstrate that infant fatty acid supply can be modified via maternal dietary changes. In addition, interesting associations of maternal diet with child allergy risk were discovered. However, no difference in the incidence of allergic diseases with dietary counseling was observed. This suggests that more potent dietary interventions might be necessitated to induce clinical risk reduction of allergy. Highrisk families can safely adhere to dietary recommendations for pregnant and lactating women, and the results support the current conception that no additional benefit is gained with delaying introduction of complementary feeding.
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The human anti-rabies pre-exposure treatment currently used in Brazil, employing a 1-ml dose of suckling mouse brain vaccine (SMBV) administered on days 0, 2, 4 and 28, was compared to an alternative treatment with two 1 ml-doses on day 0, and one 1 ml-dose injected on days 7 and 21. The latter induced higher virus-neutralizing antibody (VNA) titers on day 21. Both Brazilian rabies vaccines produced with PV or CVS rabies virus strains were tested. Two additional volunteer vaccinee groups, receiving the pre-exposure and the abbreviated post-exposure schedules recommended by the WHO using cell-culture vaccine (CCV) produced with PM rabies virus strain, were included as reference. The VNA were measured against both PV and CVS strains on days 21, 42 and 180 by the cell-culture neutralization microtest. The PV-SMBV elicited higher seroconversion rates and VNA by day 21 than the CVS-SMBV. Both, however, failed to induce a long-term immunity, since VNA titers were <0.5 IU/ml on day 180, regardless of the schedule used. Cell-culture vaccine always elicited very high VNA on all days of collection. When serum samples from people receiving mouse brain tissue were titrated against the PV and CVS strains, the VNA obtained were similar, regardless of the vaccinal strain and the virus used in the neutralization test. These results contrast with those obtained with sera from people receiving PM-CCV, whose VNA were significantly higher when tested against the CVS strain.
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Kartta kuuluu A. E. Nordenskiöldin kokoelmaan
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Waste incineration is becoming increasingly widespread method of waste disposal in China. Incineration plants mostly use grate and circular fluidized bed (CFB) technology. Waste combustion in cement production is also beginning to gradually increase. However, Chinese waste composition is causing problems for the energy utilization. Mechanical waste pre-treatment optimizes the combustion process and facilitates the energy recovery. The objective of this study is to identify how Western waste pre-treatment manufacturer could operate in Chinese markets. Chinese waste management industry is reviewed via PESTEL analysis. The current state and future predictions of grate and CFB incineration as well as cement manufacturing are monitored. Grate combustion, which requires lesser waste pre-treatment, is becoming more common at the expense of CFB incineration in China. The most promising future for waste treatment is in cement production industry. Waste treatment equipment manufacturer should try to create pilot projects with biggest cement producers with a view of growing co-operation in the future.