Make a blog

mask86draw

1 year ago

Concentration of Cs in plants

2.9. Statistical analysis
Statistical analysis was performed using the SAS (The SAS System of Windows 9.0) software program. The three experimental sites were considered as SU6656 factor when performing data analysis in order to determine the statistical differences between the sites. The data were subjected to analysis of variance (ANOVA) to detect significant differences between study sites, PGPR treatments, and cruciferous vegetables. The general linear model (GLM) was constructed to generate a three-way ANOVA. The results of ANOVA for plant biomass, 137Cs concentration and 137Cs transfer factor are summarized in Table 1. Mean differences within a factor (i.e., the three study sites and four Brassica species) were compared using the least significant difference (LSD) test at p < 0.05. Differences between two PGPR treatments were tested using the Student\'s t-test at p < 0.05.
Table 1.
3. Results and discussion
3.1. Soil characteristics and their relationship with soil 137Cs activity

1 year ago

Effects of rainfall patterns on thermal stratification Fig

In 2011, the first storm rainfall occurred on 20 May, with a total Wortmannin of 70.5 mm. This event did not result in a high inflow volume because the catchment was relatively dry before this rainfall. The peak inflow was 21.1 m3/s, with low turbidity and TSM (Table 1). The inflow water temperature was relatively low in May but was significantly higher than that of the bottom water (t-test, p < 0.01). This type of inflow entered the reservoir as interflow and had insignificant effects on the relative water column stability (t-test, p > 0.05). The peak inflow from a storm-rainfall event occurred on 29 July, reaching 60.1 m3/s and causing an increase in turbidity and TSM ( Table 1). The density differences caused by water temperature differences between the inflow water (19.2 °C) and the bottom water at S1 (9.1 °C) and S2 (11.7 °C) were approximately 1599 mg/L and 1288 mg/L, respectively, which are equivalent to 2566 mg/L and 2067 mg/L TSM in water. Therefore, the effect of the increased TSM concentration on the water density was relatively small compared with the effect of the water temperature. Continuous heavy rainfall in September caused a rapid increase in the inflow TSM, and the lower temperature of the inflow water led to a major density current that significantly reduced the RWCS (t-test, p < 0.01). The total precipitation from the storm rainfall that occurred from 05 to 07 September and from 10 to 11 September was 136.5 mm and 66.0 mm, respectively. The peak inflow of the storm rainfall that occurred on 6 September was 89.7 m3/s, while that on 10 September reached 101.6 m3/s because a sufficient amount of rain had then fallen to saturate the catchment, therefore increasing the runoff ( Table 1). The high inflow of storm runoff transported more suspended matter into the reservoir, causing the inflow density to become greater than the density of the bottom water at S2 but remaining less than that of the bottom water at S1. Before the heavy rainfall (10 September), the bottom water temperatures at S1 and S2 were 8.9 °C and 12.4 °C, respectively. After this storm runoff, the bottom water temperature increased from 12.4 °C to 15.2 °C at S2 ( Fig. 4b). However, this storm runoff did not affect the bottom water temperature at S1. Low water temperatures with high TMS caused the inflow density to substantially increase after the storm rainfall that occurred on 16 September. The inflowing water entered the reservoir as a plunging underflow and filled the reservoir from the bottom up, leading to an increase in the bottom-water temperature at S1 ( Fig. 4a). High inflow and outflow volumes completely mixed the Shibianyu Reservoir water column after this rainfall event. With the decrease in air temperatures later in the year, the reservoir remained in a mixed state until the re-stratification the next year.

1 year ago

Composting The solid fraction of animal manure is often made

3.5.2. Composting
The solid fraction of animal manure A 205804 often made into compost both traditionally and commercially using aerobic composting technology (Tian et al., 2002, Luo et al., 2012, Jiang et al., 2013 and Sun et al., 2014). Windrow, tank type, in-vessel and dynamic continuous composting approaches are common in China, although the composting industry appears to face a number of challenges, e.g. 'A variability in the composition and quantities of raw materials ( Li et al., 2004 and Chen et al., 2009). Active turning of the manure combined with additional aeration is used to accelerate the decomposition process. The high temperatures mesoderm are usually attained in the manure heaps and windrows help to kill pathogens and weed seeds, resulting in a product that is usually pelleted and bagged. Commercial compost production is subsidised in several provinces, typically (in 2012) by ca. 200 Yuan/t (equivalent to 23.5 Euros/t) of compost produced in Beijing Municipality.

1 year ago

Nanostructured materials such as nanowires

After 29% deformation, in the EBSD map of the alloy austenite and α′ martensite were identified ( Fig. 6). The structure has a banded character. The occurrence of the Kurdjumov–Sachs relationship between the γ and α′ phases was determined ( Fig. 6d and e).
TEM microstructures confirm X-ray phase analyses, and also EBSD data. In the deformed material, numerous stacking faults are observed, and they A 80426 occur individually (Fig. 7a and b), or are aggregated, making bands (bundles) and leading to formation of the ε phase. An increase in deformation causes a change in zygospore mechanism. Austenite is dominated by deformation twins ( Fig. 8a). ε martensite plates are observed after 29% deformation ( Fig. 8b). Increasing the deformation to 56% causes an increase in the quantity of α′ martensite ( Fig. 9) and the ε phase is not observed.
Fig. 7. TEM micrographs of Fe–21Mn–3Si–3Al alloy after 11% cold-rolling.Figure optionsDownload full-size imageDownload as PowerPoint slide

1 year ago

Table nbsp Metal and soluble

Table 1.
Concentration of PM2.5 in Shenyang traffic policemen working places.SitesNumber of samplesPM2.5 (μg/m3)x¯±sRangeField90162.7 ± 46.631.6–287.2Non-field9051.5 ± 59.112.4–160.3Full-size tableTable optionsView in workspaceDownload as CSV
3.2. Chemical composition of PM2.5
We analyzed the chemical composition of PM2.5 in heavy traffic CGP 20712 in the winter and summer. Toxic heavy metals and polycyclic aromatic hydrocarbon substances are the main compositions of PM2.5 that induce the production of free radicals in the body which cause DNA damage. The analysis identified that micronutrients PM2.5 contains a large amount of heavy metals for example, Mn, Zr, Cu, Cr and Ca and polycyclic aromatic hydrocarbon substances like anthracene, chrysene and benzo(a)pyrene (Table 2 and Table 3). Composition of PM2.5 in winter and summer was alike in many materials including Zr, P, Fe, Ba, naphthalene, acenaphthylene, and dibenzo(a,n)anthracene. However, some materials were much abundant in winter for instance Na, Mg, SO42 −, NO3−, Indeno(1,2,3-cd)pyrene, chrysene and benzo(k)fluoranthene.

1 year ago

Studies of the occurrence of

Selenium (Se) is an essential element for human and animal health and plant growth (Hamilton et al., 1990, Rayman, 2000 and Germ et al., 2007). However, over- and underexposure of safe dietary Se intake (17 ~ 1600 μg Se/day) can cause significant health problems, such as selenosis and chronic Keshan disease. (Yang and Xia, 1995 and Moreno-Reyes et al., 2003). Because of toxicity, Se has been widely studied since the 1960s in various environmental samples (Anderson et al., 1961, Mosher and Duce, 1983, Cutter and Church, 1986 and De Gregori et al., 2002). It is now known that the AMG-47A plays an important role in the global biogeochemical cycle of Se (Wen and Carignan, 2007). In particular, atmospheric deposition of Se is considered to be an important source of contamination, because elevated concentrations of Se have been observed in remote aquatic environments and other habitats far from anthropogenic sources (Cutter and Church, 1986, Bennett, 1995, Kagawa et al., 2003 and Beavington et al., 2004). As a result, significant attention has been paid to the emission, transport, and deposition of atmospheric Se (Ross, 1985, Atkinson et al., 1990, Dudzinska-Huczuk et al., 2000 and Wen and Carignan, 2007).

1 year ago

To investigate the stability of the In

UV–vis diffuse reflectance FG2216 spectrum (DRS) over a wavelength range between 200 and 1000 nm was recorded to explain the UV–vis light photocatalytic property of In2S3. As shown in Fig. 5a, the In2S3 nanoparticles show significant absorption up to the visible range of over 650 nm, which almost covers the entire visible region. The very broad light absorption region is the main reason for its high UV–vis-light photocatalytic activity.