Tenneco (United States)

To examine risk factors associated with fall events among hospitalized individuals with cancer. 188 individuals with cancer from the inpatient oncology unit of a large, urban, public hospital in New York satisfied requirements for inclusion. A retrospective case-control analysis of electronic health records was conducted from January to December 2022. Descriptive statistics were used to investigate factors associated with fall events and falls with injuries. Bivariate analyses showed that being male, having a preference for the English language, having a solid tumor diagnosis, having metastatic cancer, receiving chemotherapy, using psychotropic medications, and having any isolation precautions were associated with falls among individuals with cancer. High Morse Fall Scale scores, English-language preference, and the combination of receiving chemotherapy and any isolation precautions were found to be highly predictive of a fall event during hospitalization among individuals with cancer. Incorporating oncology-specific patient risk factors into screening or assessment tools and individualized interventions enhances safety.

Footwork is a foundational element in tennis performance, directly impacting a player's ability to move efficiently, react quickly, and execute strokes with power and precision. Despite its importance, footwork remains a neglected area in many strength and conditioning programs focused on developing youth tennis. Traditional strength and conditioning programs often emphasize general physical qualities such as speed, strength, and power, under the assumption that these will naturally enhance movement on the tennis court. However, this approach overlooks the need for targeted, tennis-specific footwork training. Hesitation to address specific skills and uncertainty over whether responsibility lies with the strength and conditioning coach or the tennis coach contribute to this gap. This article explores the important role that strength and conditioning can play in developing effective tennis footwork patterns for youth athletes. By integrating sport-specific footwork training with foundational physical development, coaches can better support long-term athletic success and improve on-court performance.

Supercrystalline nanocomposites (SCNCs) feature intriguing functionalities and exceptional mechanical properties, but they are usually confronted with challenges when it comes to processing them in larger bulk form. One way to tackle this problem is a hierarchical approach, for which spherical SCNCs, i.e. supraparticles (SPs), are promising candidates as building blocks. Understanding the mechanical behavior of SPs is thus a key step towards the development of robust, multifunctional and macroscopic SCNCs. Hereby, in situ compression tests are performed on SPs with varying sizes and levels of crosslinking of their organic ligands. A size-dependent deformation and fracture behavior emerges. Plasticity occurs in larger SPs, while small ones exhibit brittle fracture. Surface stress and compaction affect the elastic modulus. Fracture initiation sites shift from the center of SPs to their equatorial belts with the decrease of SPs’ size. The inverse scaling relationship between fracture strength and SPs’ sizes is rationalized via Griffith theory.

Objective: We build on prior studies by perhaps shedding light on the murky relationship in Oil-dependent countries. The study aims to expand the concept of the contractual oil curse and suggests another channel that may not be addressed as one of the oil curse channels. Accordingly, there remains little understanding of the oil curse by which the environmental dimension brings a new manifestation. Methods: In this study a sample of 21 oil-dependent economies were analysed from 1995-2018, using the Pooled Mean Group (PMG) and a dynamic panel technique that is heterogeneous. Results: The results empirically prove the negative influence of the connection between CO2 emissions and oil consumption. As a result, we identified a symptomatology of the oil curse via a new transmission method under the environmental domain. Depending on the transmission method, natural resources can either be a benefit or a curse. Our study found evidence supporting the concept of the oil curse taking place through the environmental channel (CO2 emissions). Conclusion: Hence, the presence of this negative relationship has a new purpose in the debate about the oil curse and its environmental impact. Policy research needs to be conducted to understand and mitigate the oil curse.

<div class="section abstract"><div class="htmlview paragraph">The new corner-based architecture of electrified road vehicles requires a redesign of vehicle suspension components. The design protocol must satisfy the target parameters derived from dynamics requirements. The roll stiffness of the anti-roll bar is a crucial parameter for the handling performance of a vehicle. During the development of a new suspension, the design of the anti-roll bar needs to be modified. To this aim, two-dimensional beam theory models can quickly provide a preliminary design of this component. However, the simplified models might be inaccurate due to the three-dimensional and complex shapes of the bars. The present study aims to overcome this limitation. An analytical beam model based on the spline description of the bar has been developed, which is accurate even for complex geometries of the bars. Assuming a hollow and closed circular cross-section, the model returns the average diameter and the radial thickness needed to achieve the stiffness performance. Three different approaches for the thickness have been analyzed by assuming: (<i>I</i>) a prescribed thickness, (<i>II</i>) a prescribed global mass, and (<i>III</i>) a prescribed maximum value of stress. The first two methods present a uniform thickness along the bar, whereas, in the third one, the thickness varies to obtain the lightest solution. This latter method can be modified to ensure a feasible minimum thickness. Finally, a full-factorial design of the experiments algorithm has been developed to reduce the stress by varying the position of the spline control points. The proposed methods can provide a good preliminary design of the bar and can drive a material replacement process from a lightweight viewpoint.</div></div>

After studying this article, the participant should be able to: 1. Recognize facial muscle contraction direction and muscle morphology based on skin surface movements and facial rhytides. 2. Classify different muscle contraction patterns and target respectively with the recommended dosage and injection technique. 3. Apply the presented injection techniques to the patients' individual anatomy with greater precision and without affecting adjacent muscles or causing other adverse events. Facial muscular anatomy has recently gained increased attention, with new investigative methodologies and new injection techniques arising on the market. These recent advancements have increased our understanding about the functional anatomy of facial muscles and have changed the way health care professionals see and understand their interplay during various facial expressions and in determining facial shape. This new anatomical understanding of facial muscles and their interaction has resulted in superior neuromodulator treatment outcomes with fewer side effects and with increased precision. The latter is of greatest importance, as all facial muscles act as a unit and connect with each other. It is therefore paramount to target during neuromodulator treatments only the muscle responsible for the aesthetic effect desired and not other adjacent muscles, which can have different or even antagonistic effects. Conventional anatomy was previously limited to two-dimensional explanations of muscle locations without incorporating their detailed action or their three-dimensional location of extent. The "new" anatomy incorporates those novel concepts and, once understood, will help health care providers to understand better and to "read" the underlying muscular anatomy based on the wrinkle status and based on the change in skin surface landmarks based on the actions of the underlying musculature. The following article summarizes tips and tricks, pearls and pitfalls, and dos and don'ts during facial neuromodulator injections along with a guide toward adverse event management and patient outcome assessment with special focus on the underlying anatomy.

Abstract The commercial vehicle industry continues to move in the direction of improving brake thermal efficiency while meeting more stringent diesel engine emissions requirements. This study focused on fuel efficiency when using an exhaust burner during cold starts. Selective catalyst reduction (SCR) systems are very efficient at eliminating NOx from the exhaust once its temperature has been raised to 250 °C. The exhaust burner is used during a cold start to raise the temperature of the SCR system quickly, and then it is turned off once thermal preparation of the SCR is complete. The exhaust burner converts fuel energy to exhaust heat directly, and thus more efficiently, in comparison to engine measures such as intake/exhaust throttling or elevating the idle speed. Therefore, if engine measures are scaled back because the burner is responsible for SCR system heating, total fuel efficiency should be improved.This hypothesis was tested at Southwest Research Institute (SwRI), making use of engine testing capabilities that allowed the results to be compared with those generated in the low-NOx technology demonstration funded by the California Air Resources Board (CARB). In addition to an exhaust burner, this testing made use of a conventional aftertreatment system (i.e. not a 2-stage SCR or “dual-dosing” system) that had been hydrothermally aged to end of useful life. FTP and WHTC cycles were run with the burner being responsible for more and more of the warm-up, allowing the tailpipe NOx vs. CO2 trade-off curve to be defined for this technology package.KeywordsEmissionsNOxCO2BurnerEfficiency

In: ATZheavyduty 14, Nr. 2, S. 42-45 (2021), DOI 10.1007/s35746-021-0418-2Autoren: Thomas M. Harris, Matthew Muhleck, Bernd-Peter SchererDieses Erratum wird veroffentlicht, um eine Korrektur in Bild 5 auf Seite 45 zu melden. Die Originalversion wurde geandert in:Vor SCR-Katalysator, BasisWir bitten um Beacht...