At Zero Ambient
Romanian translation: la temperatura ambientală/aerului ambiant/mediului ambiant zero
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| 20:02 Apr 25, 2024 |
| English to Romanian translations [PRO] Tech/Engineering - Biology (-tech,-chem,micro-) / Examples: microbiology, e | |||||||
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|  Selected response from: Cristina Ciublan Local time: 13:35 | ||||||
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| Summary of answers provided | ||||
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| 5 | la temperatura ambientală/aerului ambiant/mediului ambiant zero |
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| 3 | lumina ambientală la cel mai scăzut nivel, valoarea 0 |
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| Summary of reference entries provided | |||
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| zero ambient, not sure |
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Answers
9 hrs confidence: 
| at zero ambient la temperatura ambientală/aerului ambiant/mediului ambiant zero Explanation: https://mathaus.ro/medias/sys_master/productPdfs/productPdfs... |
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1 day 2 hrs confidence: 
| at zero ambient lumina ambientală la cel mai scăzut nivel, valoarea 0 Explanation: nivel de lumină reflectată de lumeni pe metru pătrat, lumină fluorescentă medicală ""Ambient Diffuse Reflection The simplest lighting model is a uniform field of light in all directions, which is called ambient light. We measure the intensity of ambient light with the symbol Ia. The amount of ambient light that reflects off a surface is determined by the surfaces ambient-diffuse reflection coefficient, kd. This amount is given by: Iambdiff = kd Ia The value of kd lies between 0 and 1. A value near 0 is a very dark surface. A value near 1 is a very bright surface."" from https://people.eecs.berkeley.edu/~jfc/cs184f98/lec28/lec28.h... https://www.eco-iluminat.ro/blog/noutati-si-tendinte/calcula... "1. Cum se măsoară nivelul de iluminat necesar pe metrul pătrat – corespondența între lux și lumen Cantitatea de lumină necesară pe metrul pătrat se măsoară în lucși (lx). Știm ca luxul (lx) este egal cu iluminarea produsă de un flux luminos de un lumen (lm) ce cade uniform pe aria de un metru pătrat: 1 lx = 1 lm / 1 mp Prin urmare, este nevoie să determinăm de câți lumeni pe metrul pătrat avem nevoie pentru iluminarea unei încăperi, în funcție de activitățile pe care le desfășurăm în acea încăpere. Toate becurile și toate corpurile de iluminat care au bec inclus din magazinul nostru eco-iluminat.ro au menționată valoarea pentru intensitatea luminoasa sau fluxul luminos exprimată în lumeni, pentru a vă facilita un calcul rapid de iluminat interior. |
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Reference comments
1 hr |
| Reference: zero ambient, not sure Reference information: Quote...Ambient Diffuse Reflection The simplest lighting model is a uniform field of light in all directions, which is called ambient light. We measure the intensity of ambient light with the symbol Ia. The amount of ambient light that reflects off a surface is determined by the surfaces ambient-diffuse reflection coefficient, kd. This amount is given by: Iambdiff = kd Ia The value of** kd lies between 0 and 1***. A value near 0 is a very dark surface. A value near 1 is a very bright surface. Note: Although the value kd is a scalar, all the lighting equations can be repeated once each for R, G and B channels. There are normally 3 values used for kd to take this into account. from https://people.eecs.berkeley.edu/~jfc/cs184f98/lec28/lec28.h... https://www.energetiq.com/blog/foot-candles-and-other-lighti... Foot-candle may be a term that sounds like it hails from the dark ages, but understanding what it means can be helpful whether you’re trying to decide which light fixture is best for your needs or if there’s enough light to use the bleachers at an athletic field! At Energetiq, we specialize in the development of ultra-bright light sources for semiconductor manufacturing, life sciences, sensor testing,*** food safety***, and more. Contact us today to find out how we can help you solve your demanding performance challenges. (lighting for medical equipment also so it seems) -------------------------------------------------- Note added at 1 hr (2024-04-25 22:00:16 GMT) -------------------------------------------------- https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9087004/ "The test materials (PU + CV and PU + AuNP + CV) were inoculated with 25 μL of the inoculum containing ∼105–106 CFU mL−1, placed inside a Petri dish and irradiated using a conventional ceiling*** fluorescent lamp*** with an average intensity of **300 lux*** for a 6 hours period for the gram positives and 48 hours for the gram negatives. After irradiation, the inoculated samples were added to 450 μL PBS and vortexed to remove all the bacteria. Afterwards the resulting neat suspension and serial dilutions were plated on Columbia agar enriched with 5% horse blood and incubated for 24 hours (37 °C, 5% CO2) to determine the viable counts. The antibacterial efficacy of the antimicrobial substrates was tested against two strains of Staphylococcus aureus 8325-4, a well-characterised laboratory strain and MRSA 4742, a recent clinical isolate, in the presence of 0.1% to 1% BSA by irradiating the substrates with a*** fluorescent lamp (300 lux).*** After 6 hours of irradiation, the number of surviving bacteria was determined. The results showed that BSA reduced the antibacterial efficacy of all the PU-AuNP-CV surfaces with increasing BSA concentrations resulting in a progressive reduction in antibacterial activity towards the bacteria tested. However, the light activated surfaces did perform well at 0.1 and 0.25% BSA levels, showing they may have potential for real world environments with low levels of organic soiling. |
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