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BPMN Terminate End Events Explained Simply
No full textThis video introduces the Explicit Termination pattern in BPMN, illustrating how a process instance can be deliberately and immediately terminated once a specific end condition is reached. Using a simple party-planning example, the tutorial demonstrates how terminate end events are applied to bring an entire process to completion at a defined point in the model.
When a terminate end event is triggered, all remaining active and pending tasks are automatically canceled, and the process instance is marked as successfully completed. The video explains how this behavior differs from implicit termination and highlights typical use cases where explicit termination is required to enforce strict control over process execution.
The tutorial provides a conceptual explanation of the pattern and shows its practical implementation in BPMN, helping practitioners understand how explicit termination can be used to model decisive end states in real-world workflows.
This video is part of a series on modeling workflow patterns with BPMN: http://www.workflowpatterns.com
Supplementary material is available on GitHub: https://github.com/ahense/bpmn (Download the complete repository via “Code / Download ZIP”; the material for this tutorial is located in the folder corresponding to the video number.)
The examples were modeled using the Camunda Modeler: https://modeler.cloud.camunda.io
This is Video #43 of the BPMN Series
Enlarged Education – Exploring the Use of Generative AI to Support Lecturing in Higher Education
No full textInvestigation of Laser Initiation of Graphite‐Coated TATP and HMTD with Regard to the Influence of Coating Thickness Accompanied by Sensor‐Safe Surveillance Using a Microphone
No full textTriacetone triperoxide (TATP) and Hexamethylene triperoxide diamine (HMTD), known for their propensity towards use in improvised explosive devices due to facile synthesis from readily accessible precursors, present a considerable security challenge. Their sensitivity to mechanical stimuli, such as impact and friction, as well as to thermal input, necessitates the development of advanced detection methodologies. This study is dedicated to evaluate the influence of varied laser beam parameters during radiation on these peroxide-based energetic materials. A novel approach for the controlled energy delivery to substances under investigation involves the application of coatings with predefined absorption coefficients. This technique, coupled with the careful selection of laser parameters, enables the controlled local initiation of reaction in the energetic material without reaching the threshold for mass combustion, thereby avoiding detonation or deflagration. The experimental setup involves the laser irradiation of defined quantities of graphite-coated TATP and HMTD, with the subsequent laser processing being monitored using a sensitive microphone. This set-up enables a detailed investigation of the physical phenomena that manifest themselves during the interaction and thus contributes to the state of knowledge about the safe handling and detection of these energetic materials
Investigation of Mg/Li 2 O 2 and Mg/CaO 2 Pyrotechnic Delay Compositions as Delay Pellets
No full textDue to the toxicity and negative environmental impact of lead- and chromate(IV and VI)-based delay compositions, alternative substance mixtures are required to be investigated as possible substitutes for pyrotechnic materials. Therefore, the Mg/ CaO2 and Mg/Li2O2 delay compositions were subject of this work. These mixtures were processed into pellets with the aid of the dry binders HPMC, MgSt, PEG1, PEG2 and PVP and used in delay elements. The binder content used for all the composition was 5 wt%. Burning rates were investigated while taking the influence of oxidizer particle size and the effect of different binders into account. The results show that the combustion rate can be adjusted both via the grain size and by means of the various binders. Further, the impact of the different binders on the ignition temperature of the Mg/Li2O2 and Mg/CaO2 compositions was measured. The compositions were also classified as insensitive to impact and friction. However, during preparation of delay pallets, unintended ignition of pellets occurred while using the HPMC, PEG1, PEG2 and PVP binders. For this reason, safety measures should be followed and special care should be taken while preparing delay pellets. While the peroxides could be identified with Raman spectroscopy, no peroxide residue was found in the reaction products of both peroxide magnesia mixtures
Leveraging Generative AI in Higher Education: An Analysis of Opportunities and Challenges Addressed in University Guidelines
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FOGS: A SNPSTR Marker Database to Combat Wildlife Trafficking and a Cell Culture Bank for Ex-Situ Conservation
No full textIllegal wildlife trade is a growing problem internationally. Poaching of animals not only leads to the extinction of populations and species but also has serious consequences for ecosystems and economies. This study introduces a molecular marker system that authorities can use to detect and substantiate wildlife trafficking. SNPSTR markers combine short tandem repeats with single nucleotide polymorphisms within an amplicon to increase discriminatory power. Within the FOGS (Forensic Genetics for Species Protection) project, we have established SNPSTR marker sets for 74 vertebrate species. On average, each set consists of 19 SNPSTR markers with 82 SNPs per set. More than 1300 SNPSTR markers and over 300 STR markers were identified. Also, through its biobanking pipeline, the FOGS project enabled the cryopreservation of somatic cells from 91 vertebrate species as well as viable tissues for later cell initiation from a further 109 species, providing future strategies for ex situ conservation. In addition, many more fixed tissues and DNA samples of endangered species were biobanked. Therefore, FOGS was an interdisciplinary study, combining molecular wildlife forensics and conservation tools. The SNPSTR sets and cell culture information are accessible through the FOGS database (https://fogs-portal.de/data) that is open to scientists, researchers, breeders and authorities worldwide to protect wildlife from illegal trade
Health & wealth: The influence of gendered demands, resources and work-family dynamics on success in entrepreneurs
No full textThe study aims to investigate how agentic and communal demands, different resources, and the work-family-interface influence female and male entrepreneur’s financial success and health; address urgent calls from several researchers to include gender as a fundamental element of heterogeneity (Chadwick & Raver, 2019; Stephan et al., 2020; Stephan et al., 2023); Combine knowledge from job-demands and resources theory (JDR) with gender role congruity theory to incorporate a more gender-sensitive perspective
Unraveling pH Regulation of TMEM175, an Endolysosomal Cation Channel With a Role in Parkinson's Disease
No full textTransmembrane protein 175 (TMEM175) is an endolysosomal cation channel, which has attracted much attention recently from academics and the pharmaceutical industry alike since human mutations in TMEM175 were found to be associated with the development of Parkinson's disease (PD). Thus, gain-of-function mutations were identified, which reduce and loss-of-function mutations, which increase the risk of developing PD. After having been characterized as an endolysosomal potassium channel initially, soon after TMEM175 was claimed to act as a proton channel. In fact, recent evidence suggests that depending on the conditions, TMEM175 can act as either a potassium or proton channel, without acting as an antiporter or exchanger. A recent work has now identified amino acid H57 to be directly involved in gating, increasing proton conductance of the channel while leaving the potassium conductance unaffected. We review here the current knowledge of TMEM175 function, pharmacology, physiology, and pathophysiology. We discuss the potential of this ion channel as a novel drug target for the treatment of neurodegenerative diseases such as PD, and we discuss the discovery of H57 as proton sensor