Why PDM have so many item type?5 answersProduct Data Management (PDM) systems have various item types to cater to the diverse needs of design projects. These item types include product data models, parts type extensions, configuration based on rules, work flow models, and integration. The implementation of a PDM system involves classifying data sets according to custom rules, utilizing metadata models, and creating directory trees for efficient data screening and classification. By having multiple item types, PDM systems can effectively manage different aspects of design projects, facilitate collaboration among team members, and ensure accurate data tracking and retrieval. The variety of item types in PDM systems enhances flexibility, efficiency, and accuracy in handling design data, ultimately contributing to improved project outcomes and competitiveness for enterprises.
What are the latest PDR membrane surgical techniques?4 answersDescemet's membrane endothelial keratoplasty (DMEK) is a latest surgical technique for posterior lamellar surgery in endothelial disorders. It offers advantages such as less postoperative astigmatism, faster visual rehabilitation, and better optical quality compared to other posterior keratoplasty techniques. However, the preparation of the Descemet's membrane (DM) and the unfolding in the anterior chamber during DMEK can pose a risk of complications. In advanced diabetic patients, vitreoretinal surgeons are moving towards early vitrectomy for non-regressive intravitreal hemorrhages, which were previously considered classic indications for surgical treatment. Fuchs' endothelial corneal dystrophy (FECD) is the most common endothelial dystrophy, characterized by bilateral central corneal guttae, corneal edema, and reduced vision. Pseudophakic bullous keratopathy, caused by surgical manipulations in the anterior chamber, can lead to symptoms similar to FECD. Endoscopic techniques have emerged as a promising alternative to microscopic approaches for tympanic membrane closure procedures, offering similar outcomes with favorable cosmetic results, less postoperative pain, and shorter surgical time. In endodontic microsurgery, different barrier membranes are used for bone regeneration, and calcium sulfate has shown promising results in guided bone regeneration.
What is FPDM?3 answersFPDM (Fast Pre-training Technique using Document Level Metadata) is a compute-efficient framework proposed by Nandy et al. that utilizes document metadata and domain-specific taxonomy to pre-train transformer encoders on a domain-specific corpus. The framework involves continually pre-training an open-domain encoder using sentence-level embeddings as inputs during domain-specific pretraining, and then fine-tuning with token-level embeddings as inputs. FPDM outperforms several transformer-based baselines in terms of character-level F1 scores and other automated metrics in customer support, scientific, and legal domains, with only a negligible drop in performance on open-domain benchmarks. Importantly, the use of document-level supervision and sentence-level embedding input for pre-training significantly reduces pre-training compute compared to traditional methods such as MLM and NSP.
What are the key aspects of DCM activities?4 answersKey aspects of data center migration (DCM) activities include proper planning, minimizing end-user impact, and effective communication among team members before and during the migration. These activities are crucial for the success of a DCM and contribute to regulatory compliance and enterprise risk management efforts. The demand for DCMs has increased in recent years, highlighting the importance of these key aspects. Additionally, the integrity and credibility of randomized clinical trials can be enhanced through the activities of a data monitoring committee (DMC). The role of the DMC includes reviewing study objectives, design, data completeness, and accuracy to ensure high-quality data and early detection of problems. The use of adaptive clinical trial designs introduces additional challenges in terms of trial governance and the complexity of DMC activities. Overall, proper planning, minimizing impact, effective communication, and regular review of study objectives and data quality are key aspects of DCM and DMC activities.
What is DCB domain?4 answersThe DCB domain refers to the first step in the domain-context-behaviour (DCB) model proposed by van der Linden. In this model, the domain represents the development of broad pro-environmental/biospheric value orientations, which serve as psychological motivations for climate change mitigation behaviors. These value orientations predict key climate change "context" variables such as risk perception, response-knowledge, and perceived social support. The DCB model suggests that a general intention to help reduce climate change influences both specific mitigation intentions and behavior-specific determinants. Mitigation behavior is predicted by both mitigation intentions and habitual processes. The DCB model was tested and validated on a national sample of the UK population, explaining a significant amount of variance in general intentions, specific mitigation intentions, and aggregate mitigation behavior.
How do I disable subdomain in robots txt?8 answers