نتایج جستجو برای: emitters irrigation
تعداد نتایج: 48259 فیلتر نتایج به سال:
We report a new microfluidic emitter for nano-electrospray ionization mass spectrometry (nanoESI-MS), made from polyimide tape. In contrast to the conventional pulled glass capillary emitters typically used for nanoESI-MS, these new polyimide emitters are simple and inexpensive to make, and are disposable after a single use. Thus, sample contamination and clogging are never a problem when analy...
We have developed a new procedure for fabricating fused-silica emitters for electrospray ionization-mass spectrometry (ESI-MS) in which the end of a bare fused-silica capillary is immersed into aqueous hydrofluoric acid, and water is pumped through the capillary to prevent etching of the interior. Surface tension causes the etchant to climb the capillary exterior, and the etch rate in the resul...
Discussions of aposematism traditionally have focused on the visual displays of prey that denote unpalatability or toxicity to predators. However, the construct of aposematism accommodates a spectrum of unprofitable traits signaled through various sensory modalities, including contact and distance chemoreception. Aposematism, involving learned aversions by signal receivers or selection for thei...
The potential of alpha-particle emitters to treat cancer has been recognized since the early 1900s. Advances in the targeted delivery of radionuclides and radionuclide conjugation chemistry, and the increased availability of alpha-emitters appropriate for clinical use, have recently led to patient trials of radiopharmaceuticals labeled with alpha-particle emitters. Although alpha-emitters have ...
A 4-year study was conducted to establish the effects of drip irrigation configuration and rate on fruit yield and quality of young highbush blueberry plants (Vaccinium corymbosum L. ‘Duke’). Plants were grown in a silt loam soil on raised beds and were non-irrigated or irrigated using either one or two lines of suspended drip tape. Each line configuration had in-line emitters spaced every 0.3 ...
Despite the recent progress in the fabrication of field emitters based on graphene nanosheets, their morphological and electrical properties, which affect their degree of field enhancement as well as the electron tunnelling barrier height, should be controlled to allow for better field-emission properties. Here we report a method that allows the synthesis of graphene-based emitters with a high ...
This experiment investigates the susceptibility of an ECGmachine to emissions from unintentional emitters such as aGameBoyTM and iPod NanoTM, and intentional emitters such asa Cell Phone, Portable 2.4 GHz Phone, Portable 5.8 GHzPhone and Walkie-Talkie. Experiments were conducted both ina “lab” and hospital environments. The authors demonstratethat all of the above po...
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