VCARS – veterinary computerized anesthetic record system     

JE Ilkiw  CM Brandt 《Veterinary anaesthesia and analgesia》2005,32(4):3-3

VCARS, the Veterinary Computerized Anesthetic Record System, has been developed to capture pre-, peri- and post-anesthetic data using Tablet PCs, 802.11b wireless networks, and a web-based database. Patient demographics, anticipated procedures and anesthetist, service information and hematologic and chemistry values are imported from the Veterinary Medical Teaching Hospital patient information system. Using a wireless Tablet PC, pre-anesthetic examination findings are recorded and an anesthetic plan including anesthetic drugs and anesthetic and monitoring equipment is developed. During induction and maintenance of anesthesia, physiologic variables, drug, fluid, anesthetic gas and oxygen administration, laboratory values, patient location, and important events can be charted with the simplicity of a paper anesthetic record. This information can be manipulated for display in a variety of ways depending on the specific needs of the case. Tools for calculating optimal fluid rates and drug dosages are incorporated into the design. The anesthetic records from multiple cases can be viewed simultaneously using a centrally-located monitor. Detailed audit trails ensure data integrity. A high-end search engine will allow rapid and complete retrieval of patient and anesthetic information. Macromedia flash is used to allow temporary disconnection from the wireless network without losing the ability to view, add, or edit data. The initial stages of software development are nearing completion, a wireless network is in place and hardware is being purchased. A pilot study will be conducted using manual entry of physiologic data prior to integration of automatically captured patient physiological variables. It is anticipated that this system will drastically improve the accuracy of data collection and retrieval and will provide important information about anesthetic management allowing improvement in overall patient care.  相似文献   

Equine Geriatric Medicine and Surgery - Edited by Bertone J     

TW McGowan  CM McGowan 《Australian veterinary journal》2007,85(6):251-251

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Evolution of resistance to diclofop-methyl in ryegrass (Lolium multiflorum): investigation of the role of introgression with related species     

María A. Martínez-Ghersa  Claudio M. Ghersa  Martín M. Vila-Aiub  Emilio H. Satorre  Steve R. Radosevich 《Pest management science》1997,51(3):305-308

Populations of Lolium multiflorum (ryegrass) exposed to increasing levels of herbicide selection have variability in the rate of evolution of herbicide resistance. We tested the hypothesis that herbicide dose and gene flow with related species are important factors regulating the rate of evolution of herbicide resistance in L. multiflorum. Seeds of the latter were planted in pure stands and in mixture with Festuca rubra and subjected to four herbicide rates. The level of herbicide resistance attained by the offspring after two years of selection was evaluated. Evolution of resistance observed in the field was compared to that calculated by Gressel and Segel's rotational model. ©1997 SCI  相似文献   

温度对荔枝开花的影响   总被引：9，自引：0，他引：9  

C．M．Menzel  D．R．Simpson  张平  何燕 《广西热带农业》1998,(2):47-53

低温能促进荔枝（LitchichinestsSonn．）开花,但是成功诱导开花的临界温度和所需低温量并不清楚。研究了最高温／最低温：15°／5°,20°／5°,20°／10°,20°／15°,25°／10°,25°／15°,25°／20°和30°／20℃8个温度处理对KwaiMayPink荔枝和Casino荔枝营养生长和开花的影响。在第2个试验中,WaiChee荔枝在转移到无诱导条件的30°／20℃温度前,分别给予0,2,4,6,8,10和31周的15℃低温诱导。在第3个试验中．WaiChee荔枝生长温度为15℃时,每24小时内给予高于20℃的温度处理时间分别为0,1,2和8h（15℃以上分别为0,2,4和15h）。在第1个试验中,KwaiMayPink的营养生长温度为25°／20℃和30°／20℃,温度为25°／10℃和25°／15℃时,既有营养生长,又有花穗发育,较低的温度更利于开花。Casino荔枝除了在25°／10℃和25°／15℃的温度条件下既无营养生长,也无花穗发育外,其余处理的反映和KwaiMayPink荔枝类似。对2个荔枝品种而言,在20°／15℃和更低的温度时,几乎所有枝条都开了花。‘WaiChee’荔枝成花诱导条件为在转移到高温条件下之前,保持15℃的低温4周,最长6周。低温时间的长短还影响花穗的类型,15℃的低温诱导10周后,‘WaiChee’荔枝几乎无有叶花穗。保持15℃的低温  相似文献   

Weeds in <Emphasis Type="Italic">Eucalyptus globulus</Emphasis> subsp. <Emphasis Type="Italic">maidenii</Emphasis> (F. Muell) establishment: effects of competition on sapling growth and survivorship     

A. M. Garau  C. M. Ghersa  J. H. Lemcoff  J. J. Barañao 《New Forests》2009,37(3):251-264

The effect of herbaceous vegetation on growth and survival was assessed in planted eucalyptus saplings grown under four levels of weed cover. Seedlings of Eucalyptus globulus subsp. maidenii were planted with 0 (W0), 25 (W25), 50 (W50) and 100% (W100) weed cover. Weed species composition and aboveground biomass was determined. Soil water content was evaluated by the gravimetric method. Seedling leaf area, diameter and height were evaluated at planting and during the 3 months following establishment. Tree height, diameter and stem volume was estimated at 12, 24 and 36 months. First year tree survival was recorded. The ratio of cumulative stem growth under W100: cumulative stem growth under W0 was used to measure competitive performance. Regression analysis was used to determine competition thresholds. Weeds seriously threaten the growth of E. globulus subsp. maidenii. Early negative effects of competition on growth were evident as from the second month after establishment, and both seedlings and 1-year-old saplings were more affected than 2- and 3-year-old ones. A “minimum-response threshold” was determined near 500 kg/ha (corresponding to W25 cover). No clear effect was found between sapling survival and weed biomass.  相似文献   

The CO2 balance of unproductive aquatic ecosystems     

CM Duarte  S Agusti 《Science (New York, N.Y.)》1998,281(5374):234-236

Community respiration (R) rates are scaled as the two-thirds power of the gross primary production (P) rates of aquatic ecosystems, indicating that the role of aquatic biota as carbon dioxide sources or sinks depends on its productivity. Unproductive aquatic ecosystems support a disproportionately higher respiration rate than that of productive aquatic ecosystems, tend to be heterotrophic (R > P), and act as carbon dioxide sources. The average P required for aquatic ecosystems to become autotrophic (P > R) is over an order of magnitude greater for marshes than for the open sea. Although four-fifths of the upper ocean is expected to be net heterotrophic, this carbon demand can be balanced by the excess production over the remaining one-fifth of the ocean.  相似文献   

Synchronous climate changes in antarctica and the north atlantic     

EJ Steig  EJ Brook  JWC White  CM Sucher  ML Bender  SJ Lehman  DL Morse  ED Waddington  GD Clow 《Science (New York, N.Y.)》1998,282(5386):92-95

Central Greenland ice cores provide evidence of abrupt changes in climate over the past 100,000 years. Many of these changes have also been identified in sedimentary and geochemical signatures in deep-sea sediment cores from the North Atlantic, confirming the link between millennial-scale climate variability and ocean thermohaline circulation. It is shown here that two of the most prominent North Atlantic events-the rapid warming that marks the end of the last glacial period and the Bolling/Allerod-Younger Dryas oscillation-are also recorded in an ice core from Taylor Dome, in the western Ross Sea sector of Antarctica. This result contrasts with evidence from ice cores in other regions of Antarctica, which show an asynchronous response between the Northern and Southern Hemispheres.  相似文献   

Evidence for large earthquakes in metropolitan los angeles     

CM Rubin  SC Lindvall  TK Rockwell 《Science (New York, N.Y.)》1998,281(5375):398-402

The Sierra Madre fault, along the southern flank of the San Gabriel Mountains in the Los Angeles region, has failed in magnitude 7.2 to 7.6 events at least twice in the past 15,000 years. Restoration of slip on the fault indicated a minimum of about 4.0 meters of slip from the most recent earthquake and suggests a total cumulative slip of about 10.5 meters for the past two prehistoric earthquakes. Large surface displacements and strong ground motions resulting from greater than magnitude 7 earthquakes within the Los Angeles region are not yet considered in most seismic hazard and risk assessments.  相似文献   

Equine castration: review of anatomy, approaches, techniques and complications in normal, cryptorchid and monorchid horses     

D SEARLE  AJ DART  CM DART  DR HODGSON 《Australian veterinary journal》1999,77(7):428-434

Complications associated with equine castration are the most common cause of malpractice claims against equine practitioners in North America. An understanding of the embryological development and surgical anatomy is essential to differentiate abnormal from normal structures and to minimise complications. Castration of the normal horse can be performed using sedation and regional anaesthesia while the horse is standing, or under general anaesthesia when it is recumbent. Castration of cryptorchid horses is best performed under general anaesthesia at a surgical facility. Techniques for castration include open, closed and half-closed techniques. Failure of left and right testicles to descend occurs with nearly equal frequency, however, the left testicle is found in the abdomen in 75% of cryptorchid horses compared to 42% of right testicles. Bilateral cryptorchid and monorchid horses are uncommon. Surgical approaches described for the castration of cryptorchid horses include an inguinal approach with or without retrieval of the scrotal ligament, a parainguinal approach, or less commonly a suprapubic paramedian or flank approach. Laparoscopic castration of cryptorchid horses has recently been described but the technique has limited application in practice at this time. A definitive diagnosis of monorchidism can only be made after surgical exploration of the abdomen, removal of the normal testis and hormonal testing. Hormonal assays reported to be useful include analysis of basal plasma or serum testosterone or oestrone sulphate concentrations, testosterone concentrations following hCG stimulation, and faecal oestrone sulphate concentrations. Reported complications of castration include postoperative swelling, excessive haemorrhage, eventration, funiculitis, peritonitis, hydrocele, penile damage and continued stallion-like behaviour.  相似文献   

Quantifying Transport Between the Tropical and Mid-Latitude Lower Stratosphere     

CM Volk  JW Elkins  DW Fahey  RJ Salawitch  GS Dutton  JM Gilligan  MH Proffitt  M Loewenstein  JR Podolske  K Minschwaner  JJ Margitan  KR Chan 《Science (New York, N.Y.)》1996,272(5269):1763-1768

Airborne in situ observations of molecules with a wide range of lifetimes (methane, nitrous oxide, reactive nitrogen, ozone, chlorinated halocarbons, and halon-1211), used in a tropical tracer model, show that mid-latitude air is entrained into the tropical lower stratosphere within about 13.5 months; transport is faster in the reverse direction. Because exchange with the tropics is slower than global photochemical models generally assume, ozone at mid-latitudes appears to be more sensitive to elevated levels of industrial chlorine than is currently predicted. Nevertheless, about 45 percent of air in the tropical ascent region at 21 kilometers is of mid-latitude origin, implying that emissions from supersonic aircraft could reach the middle stratosphere.  相似文献