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13 results for “Design considerations”
Dataset for: An optimisation approach for designing wildlife corridors with ecological and spatial considerations
<p>The fragmentation of wildlife habitats caused by anthropogenic activities has reduced biodiversity and impaired key ecosystem functions. Wildlife corridors play an important role in linking detached habitats. The optimal design of such corridors considering spatial, ecological, and economic factors is addressed in this paper.</p> <p>We present a novel graph-theoretic optimisation approach and a mixed-integer linear programming model to determine an optimal wildlife corridor connecting two given habitat patches. The model maximises the total quality of the corridor and satisfies pre-specified corridor width and length requirements under a resource constraint.</p> <p>Compared to the corridor design models presented in the literature, our model is conceptually simpler, and it is computationally convenient. We applied the model to a real data set for Eldorado National Forest in California, USA, involving 1,363 irregular land parcels.</p> <p>The model can be extended to design multiple corridors that connect two or more existing habitat patches.</p>
Design considerations for a microchannel reactor with enhanced mass transfer
<p><strong>Design considerations for a microchannel reactor with enhanced mass transfer</strong></p> <p>Junjie Chen</p> <p>Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com</p> <p> </p> <p>The yield in each step must be considered. A step in a synthesis may give a very low yield of the desired product. For example, a proportion of the reactant may be converted into a different product by an alternative process that competes with the desired one; some of the product may undergo a subsequent reaction; or some of the product may be lost in the separation processes required for its isolation in a pure state. The yield is usually defined, on a percentage basis, as the number of molecules of product obtained when 100 could in principle have been formed. A yield of about 80 percent or more is generally considered good, but some transformations can prove so difficult to achieve that even a yield of 10 or 20 percent may have to be accepted. The ultimate synthetic goal in a perfect synthesis is to achieve 100 percent atom efficiency, in which all atoms of all reagents are incorporated into the synthesized product without the formation of any by-products. Naturally, the yield of a process affects the cost of the product, because the shortfall from a 100 percent yield represents wasted material. In addition, yield can be of the utmost importance in determining whether a synthesis is a practicable possibility, because the overall yield of a synthesis is the product of the yields of the individual steps. If these intermediate yields are mostly low, the ultimate product may not be obtainable in the necessary amount from the available starting material.</p> <p>Streamwise distance (millimeters), Oxidation channel centerline temperature (degrees kelvin)</p> <p>0 376.832</p> <p>0.00025 392.68</p> <p>0.0005 412.751</p> <p>0.00075 434.524</p> <p>0.001 453.097</p> <p>0.00125 466.556</p> <p>0.0015 475.414</p> <p>0.00175 481.204</p> <p>0.002 485.533</p> <p>0.00225 489.367</p> <p>0.0025 492.682</p> <p>0.00275 495.234</p> <p>0.003 496.977</p> <p>0.00325 498.017</p> <p>0.0035 498.539</p> <p>0.00375 498.727</p> <p>0.004 498.756</p> <p>0.00425 498.74</p> <p>0.0045 498.705</p> <p>0.00475 498.653</p> <p>0.005 498.578</p> <p>0.00525 498.472</p> <p>0.0055 498.338</p> <p>0.00575 498.177</p> <p>0.006 497.994</p> <p>0.00625 497.814</p> <p>0.0065 497.656</p> <p>0.00675 497.522</p> <p>0.007 497.408</p> <p>0.00725 497.306</p> <p>0.0075 497.202</p> <p>0.00775 497.09</p> <p>0.008 496.981</p> <p>0.00825 496.893</p> <p>0.0085 496.829</p> <p>0.00875 496.779</p> <p>0.009 496.736</p> <p>0.00925 496.693</p> <p>0.0095 496.644</p> <p>0.00975 496.588</p> <p>0.01 496.547</p> <p>0.01025 496.536</p> <p>0.0105 496.546</p> <p>0.01075 496.564</p> <p>0.011 496.578</p> <p>0.01125 496.579</p> <p>0.0115 496.566</p> <p>0.01175 496.551</p> <p>0.012 496.554</p> <p>0.01225 496.589</p> <p>0.0125 496.646</p> <p>0.01275 496.706</p> <p>0.013 496.754</p> <p>0.01325 496.783</p> <p>0.0135 496.794</p> <p>0.01375 496.801</p> <p>0.014 496.828</p> <p>0.01425 496.889</p> <p>0.0145 496.974</p> <p>0.01475 497.058</p> <p>0.015 497.125</p> <p>0.01525 497.169</p> <p>0.0155 497.194</p> <p>0.01575 497.214</p> <p>0.016 497.255</p> <p>0.01625 497.333</p> <p>0.0165 497.433</p> <p>0.01675 497.53</p> <p>0.017 497.608</p> <p>0.01725 497.661</p> <p>0.0175 497.694</p> <p>0.01775 497.724</p> <p>0.018 497.775</p> <p>0.01825 497.865</p> <p>0.0185 497.976</p> <p>0.01875 498.083</p> <p>0.019 498.168</p> <p>0.01925 498.227</p> <p>0.0195 498.268</p> <p>0.01975 498.303</p> <p>0.02 498.361</p> <p>0.02025 498.457</p> <p>0.0205 498.573</p> <p>0.02075 498.683</p> <p>0.021 498.772</p> <p>0.02125 498.835</p> <p>0.0215 498.878</p> <p>0.02175 498.918</p> <p>0.022 498.979</p> <p>0.02225 499.076</p> <p>0.0225 499.193</p> <p>0.02275 499.303</p> <p>0.023 499.392</p> <p>0.02325 499.455</p> <p>0.0235 499.5</p> <p>0.02375 499.54</p> <p>0.024 499.599</p> <p>0.02425 499.692</p> <p>0.0245 499.801</p> <p>0.02475 499.903</p> <p>0.025 499.985</p> <p>0.02525 500.043</p> <p>0.0255 500.083</p> <p>0.02575 500.119</p> <p>0.026 500.169</p> <p>0.02625 500.246</p> <p>0.0265 500.336</p> <p>0.02675 500.42</p> <p>0.027 500.487</p> <p>0.02725 500.533</p> <p>0.0275 500.563</p> <p>0.02775 500.588</p> <p>0.028 500.621</p> <p>0.02825 500.672</p> <p>0.0285 500.732</p> <p>0.02875 500.787</p> <p>0.029 500.829</p> <p>0.02925 500.855</p> <p>0.0295 500.867</p> <p>0.02975 500.868</p> <p>0.03 500.866</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p>
Design considerations for a microchannel reactor with enhanced heat exchange
<p><strong>Design considerations for a microchannel reactor with enhanced heat exchange</strong></p> <p>Junjie Chen</p> <p>Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com</p> <p> </p> <p>The range of compounds that are capable of being synthesized is essentially limitless. In practice, the synthesis of a preselected compound is made possible by particular functional groups undergoing transformations that, while they are dependent on the conditions applied to the compound, are largely independent of the structure of the remaining part of the molecule. Thus, the combination of knowledge of the structure of the compound to be synthesized and knowledge of the general types of transformation that compounds undergo enables a synthesis to be planned. The general approach, cut to its barest essentials, is to examine the structure of the desired end product, for example, Z, and to deduce the structure of some (slightly simpler) compound, for example, Y, that should be capable of transformation into Z by a reaction of known type. A possible precursor of Y is sought in similar manner, and in this way the chain of compounds is extended until a compound, A, is reached that is available for the work; the necessary transformations, beginning with A and ending with Z, are then carried out. Most individual steps in the sequence result in a change in only one bond; some result in changes in two bonds at a time, but it is unusual for more extensive changes to occur. Three factors must be borne in mind when evaluating a particular synthetic plan. The first is cost, of far greater importance in industrial, large-scale synthesis than in laboratory work in which a particular synthesis may be carried out only once, as in the total synthesis of a naturally occurring compound, and which in any case is likely to be on a relatively small scale. The environmental impact of chemical syntheses has become an important consideration. Syntheses or processes that have a benign environmental impact, whether by use of safe and commonly available reagents or by minimization of environmentally harmful waste products, have become an essential feature of so-called green chemistry.</p> <p>Streamwise distance (millimeters), Wall centerline temperature (degrees kelvin)</p> <p>0 500.833</p> <p>0.00025 500.875</p> <p>0.0005 500.984</p> <p>0.00075 501.151</p> <p>0.001 501.398</p> <p>0.00125 501.596</p> <p>0.0015 501.59</p> <p>0.00175 501.381</p> <p>0.002 501.019</p> <p>0.00225 500.671</p> <p>0.0025 500.451</p> <p>0.00275 500.322</p> <p>0.003 500.264</p> <p>0.00325 500.192</p> <p>0.0035 500.016</p> <p>0.00375 499.729</p> <p>0.004 499.362</p> <p>0.00425 499.035</p> <p>0.0045 498.826</p> <p>0.00475 498.699</p> <p>0.005 498.636</p> <p>0.00525 498.571</p> <p>0.0055 498.439</p> <p>0.00575 498.235</p> <p>0.006 497.976</p> <p>0.00625 497.75</p> <p>0.0065 497.616</p> <p>0.00675 497.551</p> <p>0.007 497.543</p> <p>0.00725 497.54</p> <p>0.0075 497.484</p> <p>0.00775 497.371</p> <p>0.008 497.215</p> <p>0.00825 497.081</p> <p>0.0085 497.016</p> <p>0.00875 497.008</p> <p>0.009 497.051</p> <p>0.00925 497.101</p> <p>0.0095 497.108</p> <p>0.00975 497.065</p> <p>0.01 496.98</p> <p>0.01025 496.909</p> <p>0.0105 496.89</p> <p>0.01075 496.918</p> <p>0.011 496.991</p> <p>0.01125 497.073</p> <p>0.0115 497.114</p> <p>0.01175 497.108</p> <p>0.012 497.064</p> <p>0.01225 497.028</p> <p>0.0125 497.035</p> <p>0.01275 497.082</p> <p>0.013 497.172</p> <p>0.01325 497.27</p> <p>0.0135 497.329</p> <p>0.01375 497.346</p> <p>0.014 497.326</p> <p>0.01425 497.309</p> <p>0.0145 497.329</p> <p>0.01475 497.386</p> <p>0.015 497.483</p> <p>0.01525 497.587</p> <p>0.0155 497.656</p> <p>0.01575 497.684</p> <p>0.016 497.677</p> <p>0.01625 497.673</p> <p>0.0165 497.701</p> <p>0.01675 497.763</p> <p>0.017 497.862</p> <p>0.01725 497.969</p> <p>0.0175 498.043</p> <p>0.01775 498.079</p> <p>0.018 498.082</p> <p>0.01825 498.086</p> <p>0.0185 498.121</p> <p>0.01875 498.187</p> <p>0.019 498.289</p> <p>0.01925 498.399</p> <p>0.0195 498.479</p> <p>0.01975 498.523</p> <p>0.02 498.536</p> <p>0.02025 498.55</p> <p>0.0205 498.591</p> <p>0.02075 498.662</p> <p>0.021 498.767</p> <p>0.02125 498.88</p> <p>0.0215 498.965</p> <p>0.02175 499.017</p> <p>0.022 499.04</p> <p>0.02225 499.065</p> <p>0.0225 499.113</p> <p>0.02275 499.188</p> <p>0.023 499.296</p> <p>0.02325 499.412</p> <p>0.0235 499.502</p> <p>0.02375 499.561</p> <p>0.024 499.595</p> <p>0.02425 499.628</p> <p>0.0245 499.683</p> <p>0.02475 499.76</p> <p>0.025 499.865</p> <p>0.02525 499.978</p> <p>0.0255 500.068</p> <p>0.02575 500.13</p> <p>0.026 500.169</p> <p>0.02625 500.207</p> <p>0.0265 500.261</p> <p>0.02675 500.333</p> <p>0.027 500.427</p> <p>0.02725 500.526</p> <p>0.0275 500.604</p> <p>0.02775 500.658</p> <p>0.028 500.692</p> <p>0.02825 500.722</p> <p>0.0285 500.765</p> <p>0.02875 500.818</p> <p>0.029 500.885</p> <p>0.02925 500.95</p> <p>0.0295 500.998</p> <p>0.02975 501.026</p> <p>0.03 501.035</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p>
Dataset for: An optimisation approach for designing wildlife corridors with ecological and spatial considerations
Open the record for dataset details and reuse information.
Dataset for publication: High-Frequency Current Transformer Design and Implementation Considerations for Wideband Partial Discharge Applications
<p>Data set belonging to the IEEE Trans. Instr. Meas. paper with DOI: <a href="https://doi.org/10.1109/TIM.2021.3052002">10.1109/TIM.2021.3052002</a></p> <p>The authors preprint is available from Zendodo with DOI: <a href="https://doi.org/10.5281/zenodo.4772470">10.5281/zenodo.4772470</a> </p> <p>Klüss, Joni; Elg, Alf-Peter; Wingqvist Claes</p> <p><em>High-Frequency Current Transformer Design and Implementation Considerations for Wideband Partial Discharge Applications</em></p>
Data from: Guidelines and considerations for designing field experiments simulating precipitation extremes in forest ecosystems
Open the record for dataset details and reuse information.
Data from: Research design considerations to ensure detection of all species in an avian community
1.Recent advances in the estimation of species richness from count data have allowed avian ecologists to incorporate incomplete detectability of species when comparing richness across space or time. Raw counts from single or repeated visits to sample point(s) are nonetheless still used for assessing community composition, and the failure to account for detectability when making these evaluations may lead to incorrect inferences about the community. 2.We estimated detection probabilities (p) for a suite of bird species and used these detection probabilities to determine the minimum number of visits at a single point and the minimum number of points in a grid required to confidently (≥ 90%) detect the full community of birds for rare, moderately rare, and common species. We used occupancy modeling to estimate the detection probabilities for species from two study sites in Nebraska and Saskatchewan. 3.Some common or highly detectable species were confidently detected in a single visit to a point, whereas others with low detection probabilities (p < 0.20) required more than ten visits to be confidently detected at a point. The grid size required to detect a species in an area varied from a single point for a common highly detectable species to over 30 points for a rare species with low detectability. 4.Detection probabilities of the least detectable species in a study area can be used to determine the number of visits to a single point or the number of points in a grid to be confident that the full community is detected. Biologists can conclude that a species is most likely absent from the community if it remains undetected using the appropriate sampling effort.
Data from: From benchtop to desktop: important considerations when designing amplicon sequencing workflows
Amplicon sequencing has been the method of choice in many high-throughput DNA sequencing (HTS) applications. To date there has been a heavy focus on the means by which to analyse the burgeoning amount of data afforded by HTS. In contrast, there has been a distinct lack of attention paid to considerations surrounding the importance of sample preparation and the fidelity of library generation. No amount of high-end bioinformatics can compensate for poorly prepared samples and it is therefore imperative that careful attention is given to sample preparation and library generation within workflows, especially those involving multiple PCR steps. This paper redresses this imbalance by focusing on aspects pertaining to the benchtop within typical amplicon workflows: sample screening, the target region, and library generation. Empirical data is provided to illustrate the scope of the problem. Lastly, the impact of various data analysis parameters is also investigated in the context of how the data was initially generated. It is hoped this paper may serve to highlight the importance of pre-analysis workflows in achieving meaningful, future-proof data that can be analysed appropriately. As amplicon sequencing gains traction in a variety of diagnostic applications from forensics to environmental DNA (eDNA) it is paramount workflows and analytics are both fit for purpose.
Design considerations for a microchannel steam reforming reactor with enhanced momentum transport
<p><strong>Design considerations for a microchannel steam reforming reactor with enhanced momentum transport</strong></p> <p>Junjie Chen</p> <p>Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com</p> <p> </p> <p>A chemical compound is any substance composed of identical molecules consisting of atoms of two or more chemical elements. The product of a synthesis is normally contaminated with reagents used in the synthesis, by-products, and possibly some unchanged starting material; these contaminants must be removed in order for a pure product to be obtained. In a multistep synthesis, it is normally desirable to purify the product from each step before proceeding to the next step. A sample of any given pure element is composed only of the atoms characteristic of that element, and the atoms of each element are unique. For example, the atoms that constitute carbon are different from those that make up iron, which are in turn different from those of gold. Every element is designated by a unique symbol consisting of one, two, or three letters arising from either the current element name or its original (often Latin) name. For example, the symbols for carbon, hydrogen, and oxygen are simply C, H, and O, respectively. The symbol for iron is Fe, from its original Latin name ferrum. The fundamental principle of the science of chemistry is that the atoms of different elements can combine with one another to form chemical compounds. Methane, for example, is formed from the elements carbon and hydrogen in the ratio four hydrogen atoms for each carbon atom.</p> <p>Streamwise distance (millimeters), Oxidation channel centerline temperature (degrees kelvin)</p> <p>0 374.477</p> <p>0.00025 383.305</p> <p>0.0005 398.931</p> <p>0.00075 418.652</p> <p>0.001 437.842</p> <p>0.00125 453.974</p> <p>0.0015 466.535</p> <p>0.00175 475.955</p> <p>0.002 482.901</p> <p>0.00225 487.975</p> <p>0.0025 491.654</p> <p>0.00275 494.302</p> <p>0.003 496.189</p> <p>0.00325 497.519</p> <p>0.0035 498.437</p> <p>0.00375 499.05</p> <p>0.004 499.435</p> <p>0.00425 499.65</p> <p>0.0045 499.74</p> <p>0.00475 499.744</p> <p>0.005 499.684</p> <p>0.00525 499.586</p> <p>0.0055 499.468</p> <p>0.00575 499.333</p> <p>0.006 499.186</p> <p>0.00625 499.03</p> <p>0.0065 498.871</p> <p>0.00675 498.713</p> <p>0.007 498.562</p> <p>0.00725 498.421</p> <p>0.0075 498.29</p> <p>0.00775 498.17</p> <p>0.008 498.057</p> <p>0.00825 497.951</p> <p>0.0085 497.85</p> <p>0.00875 497.758</p> <p>0.009 497.676</p> <p>0.00925 497.605</p> <p>0.0095 497.546</p> <p>0.00975 497.496</p> <p>0.01 497.452</p> <p>0.01025 497.413</p> <p>0.0105 497.379</p> <p>0.01075 497.35</p> <p>0.011 497.327</p> <p>0.01125 497.313</p> <p>0.0115 497.306</p> <p>0.01175 497.304</p> <p>0.012 497.307</p> <p>0.01225 497.312</p> <p>0.0125 497.318</p> <p>0.01275 497.326</p> <p>0.013 497.339</p> <p>0.01325 497.357</p> <p>0.0135 497.38</p> <p>0.01375 497.407</p> <p>0.014 497.435</p> <p>0.01425 497.464</p> <p>0.0145 497.493</p> <p>0.01475 497.523</p> <p>0.015 497.554</p> <p>0.01525 497.59</p> <p>0.0155 497.628</p> <p>0.01575 497.67</p> <p>0.016 497.711</p> <p>0.01625 497.753</p> <p>0.0165 497.793</p> <p>0.01675 497.834</p> <p>0.017 497.876</p> <p>0.01725 497.92</p> <p>0.0175 497.967</p> <p>0.01775 498.017</p> <p>0.018 498.066</p> <p>0.01825 498.115</p> <p>0.0185 498.163</p> <p>0.01875 498.21</p> <p>0.019 498.259</p> <p>0.01925 498.31</p> <p>0.0195 498.364</p> <p>0.01975 498.42</p> <p>0.02 498.475</p> <p>0.02025 498.531</p> <p>0.0205 498.585</p> <p>0.02075 498.639</p> <p>0.021 498.694</p> <p>0.02125 498.752</p> <p>0.0215 498.812</p> <p>0.02175 498.873</p> <p>0.022 498.936</p> <p>0.02225 498.997</p> <p>0.0225 499.058</p> <p>0.02275 499.119</p> <p>0.023 499.18</p> <p>0.02325 499.244</p> <p>0.0235 499.31</p> <p>0.02375 499.378</p> <p>0.024 499.446</p> <p>0.02425 499.513</p> <p>0.0245 499.58</p> <p>0.02475 499.646</p> <p>0.025 499.713</p> <p>0.02525 499.781</p> <p>0.0255 499.851</p> <p>0.02575 499.921</p> <p>0.026 499.992</p> <p>0.02625 500.061</p> <p>0.0265 500.129</p> <p>0.02675 500.195</p> <p>0.027 500.262</p> <p>0.02725 500.328</p> <p>0.0275 500.394</p> <p>0.02775 500.46</p> <p>0.028 500.525</p> <p>0.02825 500.587</p> <p>0.0285 500.646</p> <p>0.02875 500.702</p> <p>0.029 500.756</p> <p>0.02925 500.807</p> <p>0.0295 500.854</p> <p>0.02975 500.906</p> <p>0.03 500.935</p> <p>Contributor: Junjie Chen, ORCID: 0000-0001-5055-4309, E-mail address: komcjj@gmail.com, Department of Energy and Power Engineering, School of Mechanical and Power Engineering, Henan Polytechnic University, 2000 Century Avenue, Jiaozuo, Henan, 454000, P.R. China</p>
Data from: From benchtop to desktop: important considerations when designing amplicon sequencing workflows
Open the record for dataset details and reuse information.
Data from: Research design considerations to ensure detection of all species in an avian community
Open the record for dataset details and reuse information.
Cancer Cell’s Seven Achilles Heels: Considerations for design of anti-cancer drug combinations.
GEO Series GSE221858. Homo sapiens. 10 samples. Type: Expression profiling by array.
Replicates, Read Numbers, and Other Important Experimental Design Considerations for Microbial RNA-seq Identified Using Bacillus thuringiensis Datasets.
GEO Series GSE71189. Bacillus thuringiensis. 2 samples. Type: Expression profiling by high throughput sequencing.
ScienceDex guides
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.