Characteristics of the upper-level outflow and its impact on the rapid intensification of Typhoon Roke (2011)

In this study, we investigate the structural characteristics of the upper-level outflow and its impact on the rapid intensification (RI) of Typhoon Roke (2011), which experienced an evident outflow transformation from equatorward to poleward during its RI period. The simulations by the Weather Research and Forecasting Model suggest that the upper-level outflow extends from 100 hPa to 150 hPa, with an upper-level warm core at around 150 hPa. The upper-level outflow is enhanced ahead of the typhoon intensification, which is closely related to the outflow-environment interaction. Further analyses indicate that at the early stage of Roke (2011) before the RI, the strong equatorward outflow and the updraft south of the typhoon center are enhanced, favoring the onset of RI. During the RI period, the strong divergent flow near the entrance of the southwesterly jet in front of the upper-level trough, induces the poleward outflow. The eddy flux convergence of angular momentum inward propagated to the typhoon center from a 1000-km radius further enhances the poleward outflow and leads to the development of the vertical motion north of the typhoon center. Then Roke (2011) intensifies rapidly. Simultaneously, the shallow weak positive potential vorticity (PV) anomaly south of the southwesterly jet increases the inner-core PV, favoring the sustained intensification of Roke (2011). After Roke (2011) reaches its peak intensity, its intensity decreases due to the increase of vertical wind shear and the approaching of the southwesterly jet. It is indicated that the interaction between the upper-level outflow and the upper-tropospheric trough has significant influence on the RI of TC

Quantitative spectroscopic analysis of heterogeneous mixtures: the correction of multiplicative effects caused by variations in physical properties of samples

Spectral measurements of complex heterogeneous types of mixture samples are often affected by significant multiplicative effects resulting from light scattering, due to physical variations (e.g. particle size and shape, sample packing and sample surface, etc.) inherent within the individual samples. Therefore, the separation of the spectral contributions due to variations in chemical compositions from those caused by physical variations is crucial to accurate quantitative spectroscopic analysis of heterogeneous samples. In this work, an improved strategy has been proposed to estimate the multiplicative parameters accounting for multiplicative effects in each measured spectrum, and hence mitigate the detrimental influence of multiplicative effects on the quantitative spectroscopic analysis of heterogeneous samples. The basic assumption of the proposed method is that light scattering due to physical variations has the same effects on the spectral contributions of each of the spectroscopically active chemical component in the same sample mixture. Based on this underlying assumption, the proposed method realizes the efficient estimation of the multiplicative parameters by solving a simple quadratic programming problem. The performance of the proposed method has been tested on two publicly available benchmark data sets (i.e. near-infrared total diffuse transmittance spectra of four-component suspension samples and near infrared spectral data of meat samples) and compared with some empirical approaches designed for the same purpose. It was found that the proposed method provided appreciable improvement in quantitative spectroscopic analysis of heterogeneous mixture samples. The study indicates that accurate quantitative spectroscopic analysis of heterogeneous mixture samples can be achieved through the combination of spectroscopic techniques with smart modeling methodology

Development Of Community Psychiatric Crisis Management Indicators And Assessment Framework In Taiwan: A Focus Group Study

This study was to develop the Community Psychiatric Crisis Management (CPCM) Model for community-dwelling psychiatric patients of Taiwan. Purposes of this study were: 1. To develop psychiatric patients’ community crisis management indictors; 2. To develop the psychiatric patients’ community crisis management framework. Methods: Three focus group interviews involving a total of 42 experts, included psychiatrists, psychiatric nurses, social worker, and community mental health service providers were implemented. Interview data were analyzed with qualitative content analysis. Results: The model of CPCM concretized the objectives, crisis assessment indicators, and crisis intervention services for community psychiatric patients, and proved to be an important part of CPCM. The level of crisis severity and impact of patient can be assessed by the four indicators: medical care seeking behaviors, psychiatric symptom severity and impact, history of violence and substance abuse, and protective factors of family and social support system. In addition, the severity and impact of CPCM score could be implement to provide home visiting care and crisis management interventions. The recommended CPCM model enabled community mental health care professionals’ assessment and management the patient’s crisis problems in three stages, from crisis, acute and maintenance stage. Conclusions: The CPCM model was improved practically, and the contents of the intervention were constructed. It is important to integrate crisis management with the preventive intervention to the community psychiatric patient care

Multi-stimuli control over assembly and guest binding in metallo-supramolecular hosts based on dithienylethene photoswitches

It is difficult to assemble multi-component metallo-supramolecular architectures in a non-statistical fashion, whichlimits their development toward functional materials. Herein, wereport a system of interconverting bowls and cages that are able torespond to various selective stimuli (light, ligands, anions), basedon the self-assembly of a photochromic dithienylethene (DTE)ligand,La, with PdIIcations. By combining the concept of“coordination sphere engineering”, relying on bulky quinolinedonors, with reversible photoswitching between the ligand’s open(o-La) and closed (c-La) forms, a [Pd2(o-La)4] cage (o-C) and a[Pd2(c-La)3] bowl (c-B) were obtained, respectively. This structuralrearrangement modulates the system’s guest uptake capabilities.Among three bis-sulfonate guests (G1,G2, andG3), the cage canencapsulate only the smallest (G1), while the bowl binds all of them. Bowlc-Bwas further used to synthesize a series of heterolepticcages, [Pd2LA3LB], representing a motif never reported before. Additional ligands (Lc‑f), with short or long arms, tune the cavity size,thus enabling or preventing guest uptake. Addition of Br−/Ag+makes it possible to change the overall charge, again triggering guestuptake and release, as well as fourth ligand de-/recomplexation. In combination, site-selective introduction of functionality andapplication of external stimuli lead to an intricate system of hosts with different guest preferences. A high degree of complexity isachieved through cooperativity between only a few components

Atatürk, Türk Dili ve Yazı İnkılâbı

Özet: Dünyada çok nadir lider bir ömürde hem savaş alanında hem kültür alanında o kadar çok zafer kazanmıştır. Atatürk her yönüyle o nadir liderlerden biridir. O kendi düşünce sistemiyle, öngörüşüyle ve çevreye zamanında motivasyon vererek faaliyete geçirmesiyle Türkiye’ye ve Türk halkına yeni ufuklar açmıştır. Atatürk, bir fikir adamı olarak, milli kültürün temel direklerinden birinin dil olduğunu biliyordu. Bu sebeple konuşma dili ile yazı dilini ve halkın dili ile aydınların dilini yakınlaştırmak için dil inkılâbını teşvik etti. Dil inkılâbının ilk safhası olarak 1 Kasım 1928’de yazı inkılâbı gerçekleşti ve Latin harfleri kanunla kabul edildi. Böylece, yazı inkılâbı, Türk dilinin ve Türk kültürünün tarihinde bir dönüm noktası oldu ve kısa zamanda Türkçe kendi yumuşaklığı ve ahenkliği ile yeniden bütün güzelliğini meydana çıkardı. Anahtar kelimeler: Atatürk, Türk dili, Türk dilinin Latin alfabesi, Türkçede vokaller, Türkçede konsonantlar

QCD preheating: New frontier of baryogenesis

We find that QCD can create the cosmological matter abundance via out-of-equilibrium processes during the QCD phase transition, that is what we call the QCD preheating, where the dynamic transition of the QCD vacuum characterized by the quark condensate takes place instantaneously. This mechanism works when the Universe undergoes subsequent supercooled QCD transition. We also find that the QCD preheating can work to create the baryon asymmetry of the Universe if there is the new physics communicated with QCD. These are new pictures of the thermal history around the QCD-phase transition epoch, and thus the dynamic aspect of the QCD vacuum opens a new frontier to explore low-scale matter generation such as baryogenesis. Pursuing the QCD reheating era would also help deeply understanding the subatomic-scale physics in the thermal history of the Universe.Comment: 12 pages, 3 figures; setups for QCD preheating refined; a version accepted in Phys.Rev.

MPCViT: Searching for MPC-friendly Vision Transformer with Heterogeneous Attention

Secure multi-party computation (MPC) enables computation directly on encrypted data on non-colluding untrusted servers and protects both data and model privacy in deep learning inference. However, existing neural network (NN) architectures, including Vision Transformers (ViTs), are not designed or optimized for MPC protocols and incur significant latency overhead due to the Softmax function in the multi-head attention (MHA). In this paper, we propose an MPC-friendly ViT, dubbed MPCViT, to enable accurate yet efficient ViT inference in MPC. We systematically compare different attention variants in MPC and propose a heterogeneous attention search space, which combines the high-accuracy and MPC-efficient attentions with diverse structure granularities. We further propose a simple yet effective differentiable neural architecture search (NAS) algorithm for fast ViT optimization. MPCViT significantly outperforms prior-art ViT variants in MPC. With the proposed NAS algorithm, our extensive experiments demonstrate that MPCViT achieves 7.9x and 2.8x latency reduction with better accuracy compared to Linformer and MPCFormer on the Tiny-ImageNet dataset, respectively. Further, with proper knowledge distillation (KD), MPCViT even achieves 1.9% better accuracy compared to the baseline ViT with 9.9x latency reduction on the Tiny-ImageNet dataset.Comment: 6 pages, 6 figure

An oligonucleotide microarray for microRNA expression analysis based on labeling RNA with quantum dot and nanogold probe

MicroRNAs (miRNAs) play important regulatory roles in animals and plants by targeting mRNAs for cleavage or translational repression. They have diverse expression patterns and might regulate various developmental and physiological processes. Profiling miRNA expression is very helpful for studying biological functions of miRNAs. We report a novel miRNA profiling microarray, in which miRNAs were directly labeled at the 3′ terminus with biotin and hybridized with complementary oligo-DNA probes immobilized on glass slides, and subsequently detected by measuring fluorescence of quantum dots labeled with streptavidin bound to miRNAs through streptavidin–biotin interaction. The detection limit of this microarray for miRNA was ∼0.4 fmol, and the detection dynamic range spanned about 2 orders of magnitude. We made a model microarray to profile 11 miRNAs from leaf and root of rice (Oryza sativa L. ssp. indica) seedlings. The analysis results of the miRNAs had a good reproducibility and were consistent with the northern blot result. To avoid using high-cost detection equipment, colorimetric detection, a method based on nanogold probe coupled with silver enhancement, was also successfully introduced into miRNA profiling microarray detection