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Herbicides used in sugarbeet are commonly adapted from other row crops and may cause injury and yield loss often associated with environmental and edaphic factors. Glyphosate-resistant waterhemp in sugarbeet requires a PRE herbicide, such as S-metolachlor, for its control. The objectives of this research were to evaluate sugarbeet tolerance to PRE S-metolachlor, including air temperature and soil water content interactions with soil series in field and growth chamber experiments. Results from field experiments conducted in 12 environments in 2015, 2016, and 2017 indicated 2.16 or 4.32 kg ai ha−1S-metolachlor applied PRE reduced sugarbeet density and stature but did not reduce root yield, sucrose content, or recoverable sucrose compared with the untreated control in environments with soils with less than 3.5% organic matter (OM) and receiving greater than 40-mm cumulative rainfall within 14 d after planting. In the growth chamber, sugarbeet density and shoot fresh weight following S-metolachlor application was influenced by soil moisture content, air temperature, and soil series but not by S-metolachlor rate. Sugarbeet density and shoot fresh weight were reduced 15% and 106%, respectively, when S-metolachlor was applied to a Glyndon sandy loam (2.6% OM, 9.5% clay) at 100% field capacity (FC) and 14 C compared with S-metolachlor application to a Fargo silty clay (7.7% OM and 54% clay) at 100% FC and 21 C. It is concluded that field selection, rather than herbicide rate, is an important criterion for managing sugarbeet tolerance with S-metolachlor.
While echocardiographic parameters are used to quantify ventricular function in infants with single ventricle physiology, there are few data comparing these to invasive measurements. This study correlates echocardiographic measures of diastolic function with ventricular end-diastolic pressure in infants with single ventricle physiology prior to superior cavopulmonary anastomosis.
Data from 173 patients enrolled in the Pediatric Heart Network Infant Single Ventricle enalapril trial were analysed. Those with mixed ventricular types (n = 17) and one outlier (end-diastolic pressure = 32 mmHg) were excluded from the analysis, leaving a total sample size of 155 patients. Echocardiographic measurements were correlated to end-diastolic pressure using Spearman’s test.
Median age at echocardiogram was 4.6 (range 2.5–7.4) months. Median ventricular end-diastolic pressure was 7 (range 3–19) mmHg. Median time difference between the echocardiogram and catheterisation was 0 days (range −35 to 59 days). Examining the entire cohort of 155 patients, no echocardiographic diastolic function variable correlated with ventricular end-diastolic pressure. When the analysis was limited to the 86 patients who had similar sedation for both studies, the systolic:diastolic duration ratio had a significant but weak negative correlation with end-diastolic pressure (r = −0.3, p = 0.004). The remaining echocardiographic variables did not correlate with ventricular end-diastolic pressure.
In this cohort of infants with single ventricle physiology prior to superior cavopulmonary anastomosis, most conventional echocardiographic measures of diastolic function did not correlate with ventricular end-diastolic pressure at cardiac catheterisation. These limitations should be factored into the interpretation of quantitative echo data in this patient population.
Sugarbeet growers only recently have combined ethofumesate, S-metolachlor, and dimethenamid-P in a weed control system for waterhemp control. Sugarbeet plant density, visible stature reduction, root yield, percent sucrose content, and recoverable sucrose were measured in field experiments at five environments between 2014 and 2016. Sugarbeet stand density and stature reduction occurred in some but not all environments. Stand density was reduced with PRE application of S-metolachlor at 1.60 kg ai ha–1 and S-metolachlor at 0.80 kg ha–1 + ethofumesate at 1.68 kg ai ha–1 alone or followed by POST applications of dimethenamid-P at 0.95 kg ai ha–1. Sugarbeet visible stature was reduced when dimethenamid-P followed PRE treatments. Stature reduction was greatest with ethofumesate at 1.68 or 4.37 kg ha–1 PRE and S-metolachlor at 0.80 kg ha–1 + ethofumesate at 1.68 kg ha–1 PRE followed by dimethenamid-P at 0.95 kg ha–1 POST. Stature reduction ranged from 0 to 32% 10 d after treatment (DAT), but sugarbeet recovered quickly and visible injury was negligible 23 DAT. Although root yield and recoverable sucrose were similar across herbicide treatments and environments, we caution against the use of S-metolachlor at 0.80 kg ha–1 + ethofumesate at 1.68 kg ai ha–1 PRE followed by dimethenamid-P at 0.95 kg ha–1 in sugarbeet.
We present the results of two 2.3 μm near-infrared (NIR) radial velocity (RV) surveys to detect exoplanets around 36 nearby and young M dwarfs. We use the CSHELL spectrograph (R ~ 46,000) at the NASA InfraRed Telescope Facility (IRTF), combined with an isotopic methane absorption gas cell for common optical path relative wavelength calibration. We have developed a sophisticated RV forward modeling code that accounts for fringing and other instrumental artifacts present in the spectra. With a spectral grasp of only 5 nm, we are able to reach long-term radial velocity dispersions of ~20–30 m s−1 on our survey targets.
Offload delay is a prolonged interval between ambulance arrival in the emergency department (ED) and transfer of patient care, typically occurring when EDs are crowded. The offload zone (OZ), which manages ambulance patients waiting for an ED bed, has been implemented to mitigate the impact of ED crowding on ambulance availability. Little is known about the safety or efficiency. The study objectives were to process map the OZ and conduct a hazard analysis to identify steps that could compromise patient safety or process efficiency.
A Health Care Failure Mode and Effect Analysis was conducted. Failure modes (FM) were identified. For each FM, a probability to occur and severity of impact on patient safety and process efficiency was determined, and a hazard score (probability X severity) was calculated. For any hazard score considered high risk, root causes were identified, and mitigations were sought.
The OZ consists of six major processes: 1) patient transported by ambulance, 2) arrival to the ED, 3) transfer of patient care, 4) patient assessment in OZ, 5) patient care in OZ, and 6) patient transfer out of OZ; 78 FM were identified, of which 28 (35.9%) were deemed high risk and classified as impact on patient safety (n=7/28, 25.0%), process efficiency (n=10/28, 35.7%), or both (n=11/28, 39.3%). Seventeen mitigations were suggested.
This process map and hazard analysis is a first step in understanding the safety and efficiency of the OZ. The results from this study will inform current policy and practice, and future work to reduce offload delay.
What does it mean to think “I,” to say “I,” to write “I”? These foundational questions of subjectivity inform Annette von Droste-Hulshoff's literary production to such an extent that one might arguably define her oeuvre in terms of the early German Romantic notion of autopoiesis, the self-reflexive, self-critical self-creation of the subject, das Ich (the I), in and through poesy. Yet in contradistinction to the unitary structure of early Romantic subjectivity, for Droste the self frequently is presented as an object, an object often watched by—and at times watching—the subject, an object that is irreconcilable with the subject. significantly, many of these scenes of objectified self-definition are explicitly presented as aesthetic events, indicating their programmatic status in Droste's poetics, and they recur emblematically throughout her writing.
The following analysis seeks to elucidate Droste's object-driven conception of subjectivity and poetic production through a series of examples. The first section considers the early prose fragment Ledwina (1818/19–26). The second presents brief readings of a selection of her more famous poems and ballads, written between 1840 and 1844: “Das Spiegelbild” (The mirror image), “Im Moose” (In the moss), “Das Fraulein von Rodenschild” (Lady von Rodenschild), “Das erste Gedicht” (The first poem), “Das alte schloss” (The old castle), “Im Grase” (In the grass), “Die todte Lerche” (The dead lark), “Die Taxuswand” (The yew wall), “Die Mergelgrube” (The marl pit) and “Lebt wohl” (Farewell).
In 1807 Goethe formed a small chamber choir in Weimar, which he referred to on occasion as his “Singschule” (singing school), “Singechor” (singing choir), or “Singstunden” (singing class); in his diary he would often simply write that he spent time with “die Sänger” (the singers). Thanking Bettine Brentano for a packet of music she had sent him, he called the choir “meine kleine Hauscapelle” (my little chamber group) in a 24 February 1808 letter to her, and with irony he called the choir “meine kompendiose Hauskapelle” (my compendious chamber group) in a 22 April 1814 letter to his friend and musical advisor Carl Friedrich Zelter (MA 20.1:343). Years later in the Tag- und Jahreshefte he once again and more seriously referred to it as his “Hauskapelle” as he recalled its most successful season, 1810-11.
That the name recalls an earlier Hauskapelle, which Goethe created in the fictive world of Wilhelm Meisters Lehrjahre, is not accidental:
Serlo, ohne selbst Genie zur Musik zu haben, oder irgend ein Instrument zu spielen, wußte ihren hohen Wert zu schätzen; er suchte sich so oft als möglich diesen Genuß, der mit keinem andern verglichen werden kann, zu verschaffen. Er hatte wöchentlich einmal Konzert, und nun hatte sich ihm durch Mignon, den Harfenspieler und Laertes, der auf der Violine nicht ungeschickt war, eine wunderliche kleine Hauskapelle gebildet.