A novel dual-band balanced bandpass filter structure is constructed by utilizing patch resonators and meandered slotlines (MSLs). The center frequencies and passband bandwidths of two ...differential-mode (DM) passbands can be controlled independently. Specifically, the fractional bandwidth (FBW) in a lower band with the level of <inline-formula> <tex-math notation="LaTeX">{S}_{11} </tex-math></inline-formula> better than 15 dB ranges from 2.9% to 19.1%, and the FBW in an upper band with the level of <inline-formula> <tex-math notation="LaTeX">{S}_{11} </tex-math></inline-formula> better than 15 dB is from 2.0% to 13.9%. Furthermore, isolation resistors are added in the middle of the patch resonators to improve the common-mode (CM) suppression across the given frequency range. To verify the proposed filter concept, two dual-band balanced filters with different bandwidths are designed, fabricated, and measured.
Purpose
The purpose of this paper is to examine the value of the MSLS degree in health sciences library settings.
Design/methodology/approach
This is a discourse and preliminary analysis supported ...with research from the literature.
Findings
The value of the MSLS degree in the health sciences library setting is well recognized. Health sciences librarians’ efforts to evaluate and quantify positive impact of services can provide a useful model for the information and library science field.
Research limitations/implications
As this is a preliminary discussion, an exhaustive literature analysis was not undertaken.
Originality/value
A model for empirical-based research, borne out of the health sciences library specialty, can contribute to more effective methods for evaluating general library service and the overall value of the MSLS degree.
The structure of Ni
4Ti
3, which occurs as a precipitate in Ni-rich NiTi, has already been determined of having the
R-3 space group. This was done using basic electron diffraction by Tadaki et al. ...also providing an approximation of the atomic coordinates. In the present work a least squares refinement method based on quantitative electron diffraction is used to optimise the structure of the Ni
4Ti
3 unit cell. This method, in combination with Density Functional Theory (DFT) calculations, results in a structure for which the composition and
R-3 space group of the Tadaki model is maintained but the atom positions are clearly shuffled. The
R-factor (similar to the one used in X-ray diffraction refinement) drops from 12.5% for the original Tadaki structure to 8.2% for the newly refined one, and moreover the change of atomic coordinates explains in a better manner the shrinking of the Ni
4Ti
3 unit cell in reference to the NiTi matrix.
The structure of Ni4Ti3, which occurs as a precipitate in Ni-rich NiTi, has already been determined of having the R-3 space group. This was done using basic electron diffraction by Tadaki et al. also ...providing an approximation of the atomic coordinates. In the present work a least squares refinement method based on quantitative electron diffraction is used to optimise the structure of the Ni4Ti3 unit cell. This method, in combination with Density Functional Theory (DFT) calculations, results in a structure for which the composition and R-3 space group of the Tadaki model is maintained but the atom positions are clearly shuffled. The.R-factor (similar to the one used in X-ray diffraction refinement) drops from 12.5% for the original Tadaki structure to 8.2% for the newly refined one, and moreover the change of atomic coordinates explains in a better manner the shrinking of the Ni4Ti3 unit cell in reference to the NiTi matrix.
Now-a-days, image processing needs and related fields are growing in drastic manner as well as the technology enhance itself periodically. In this Face expression identification is a crucial need and ...attain more importance. For example, interpersonal communication, computerized education, video and pictures search, intelligent surroundings and safety detection systems might all benefit from the ability to recognize natural feelings in real human faces. Face-recognition software has always been assessed on experimentally controlled data, in which it is not reflective of the real-world environment. Facial expressions may be recognized using a novel interactive technique. Face emotions identification system is a long-term organization registration challenge for adaptive face expression detection. The following are the major advantages of this procedure: In the first place, a relevant constructs growth model describes the movement patterns of the unique face characteristics of different manifestations in terms of the disciplines; in the second place, a sparsity multi-group object recognition technique builds a pertinent spatial face expression map for each interpretation, in which it is able to explain the massive changes in the facial features of the entire population and repress the partiality due to massive inter-subject facial variability's; in the third place, a feature extraction approach uses both temporal and spatial image exposure information to help identification of a sparsely represented object.
This chapter explains how the real options super lattice solver (SLS) software comprises several modules, including the single super lattice solver (SLS), multiple super lattice solver (MSLS), ...multinomial lattice solver (MNLS), lattice maker, SLS excel solution, advanced exotic financial options valuator, and SLS functions. The Multiple Asset Model is used for solving options with multiple underlying assets and sequential compound options with multiple phases using binomial lattices. Highly complex options with multiple underlying assets and phases can be solved using the MSLS. The Multinomial Model uses multinomial lattices (trinomial, quadranomial, pentanomial) to solve specific options that cannot be solved using binomial lattices. The Custom Variables list is where you can add, modify, or delete custom variables, the variables that are required beyond the basic inputs. For instance, when running an abandonment option, you will require the salvage value.
The Curiosity rover observed high Mn abundances (>25 wt % MnO) in fracture‐filling materials that crosscut sandstones in the Kimberley region of Gale crater, Mars. The correlation between Mn and ...trace metal abundances plus the lack of correlation between Mn and elements such as S, Cl, and C, reveals that these deposits are Mn oxides rather than evaporites or other salts. On Earth, environments that concentrate Mn and deposit Mn minerals require water and highly oxidizing conditions; hence, these findings suggest that similar processes occurred on Mars. Based on the strong association between Mn‐oxide deposition and evolving atmospheric dioxygen levels on Earth, the presence of these Mn phases on Mars suggests that there was more abundant molecular oxygen within the atmosphere and some groundwaters of ancient Mars than in the present day.
Key Points
Mn‐rich fracture fills discovered on Mars
Chemistry and context indicate Mn oxides
Past Mars may have had molecular oxygen
Domestic sewage in rural areas is often poorly treated and discharged into waters, resulting in negative impacts on regional environment, natural resources and human health. A cost-efficient ...decentralized sewage treatment technology is sustainably necessary for rural areas. In this study, a modified multi-soil-layering (MSL) system was developed to specifically treat low C/N ratio domestic sewage in rural areas. The results proved the good performance of MSLs in sewage treatment under complex conditions. The highest degradation rates of COD, TP, NH4+-N, NO3−-N, TN among all the devices could reach 98.29%, 100%, 76.60%, 96.15% and 69.86%, respectively. During the operation, MSL5 and MSL6 showed the best overall performance of contaminant removal. The effects of single factors and their interactions on the performance of MSL systems were further revealed through factorial analyses. In order to simulate and predict nitrogen removal of MSL system, a statistical relationship between TN removal rate and operation parameters was also successfully developed based on stepwise cluster analysis. Such modeling of nitrogen removal model can help develop an optimal strategy for the operation of MSL in treating low C/N ratio sewage from rural areas.
Display omitted
•Conducted low C/N ratio sewage treatment using multi-soil-layering (MSL) systems.•Explored the effects of single factors on the performances of modified MSL systems.•Analyzed the complex interactions of treatment process based on factorial analysis.•Developed a stepwise-cluster model for simulating nitrogen removal in MSL system.•Provided a sound strategy for optimal operation of MSL systems in rural areas.
Multi-soil-layering (MSL) system with brick-wall pattern structure and gravitational flow can be used for decentralized rural domestic sewage treatment. The capability of soil for contaminant removal ...is maximized within soil mixture blocks (SMBs). However, the performance of removing nitrate was still not ideal during operation. To improve its performance in MSL system, the relationship between biophysiological characteristics of denitrifying species and operating conditions was studied. Microbial species diversity of activated sludge and soil samples were analyzed. The significant effects of independent factors and their interactions on microbial species diversity and denitrifying species abundance were revealed on the basis of factorial analysis. The results indicated activated sludge in SMBs played a key role in increasing the richness of denitrifying species in MSL system. Slow-release poly (butylene succinate) (PBS) had the most dominant positive effect on increasing denitrifying species abundance. Submersion had significantly positive effect on species richness in SMBs. These three factors, including activated sludge, PBS in SMBs, and submersion condition had different significant effects on microbial responses. They were favorable for denitrification and ensuring a better removal efficiency of nitrate and total nitrogen. The porous zeolites were served as the habitats for most of aerobic bacteria to form biofilms, which could promote the oxygen consumption in both sewage and system to improve denitrification in SMBs. The results could help on the enhancement of denitrification in MSL system from biophysiological insights. It can provide a sound strategy for using MSL system with great performance on contaminant removal.
Display omitted
•Investigated microbial diversity in soil mixture blocks through gene sequencing.•Revealed biophysiological nature of nitrate removal in multi-soil-layering systems.•Analyzed the interactive effects of operating factors on denitrifying species.•Explored relationship between biophysiological characteristics and denitrification.
Mechanosensitive (MS) ion channels are a common mechanism for perceiving and responding to mechanical force. This class of mechanoreceptors is capable of transducing membrane tension directly into ...ion flux. In plant systems, MS ion channels have been proposed to play a wide array of roles, from the perception of touch and gravity to the osmotic homeostasis of intracellular organelles. Three families of plant MS ion channels have been identified: the MscS-like (MSL), Mid1-complementing activity (MCA), and two-pore potassium (TPK) families. Channels from these families vary widely in structure and function, localize to multiple cellular compartments, and conduct chloride, calcium, and or potassium ions. However, they are still likely to represent only a fraction of the MS ion channel diversity in plant systems.
PDF
