作者: 假 時間: 2025-3-21 20:50
Interview with Harvey Tulcensky,004 in a show entitled “Postmarked” at K.S. Art. The cards are mostly black and white and sepia toned with some cyanotypes, tinted and hand-colored postcards. They are all actual (“real”) photographic silver prints developed in the darkroom, mostly in one-offs or limited editions.作者: 人類學家 時間: 2025-3-22 01:00 作者: 虛度 時間: 2025-3-22 04:55 作者: Minutes 時間: 2025-3-22 10:50 作者: 改進 時間: 2025-3-22 15:40
ted zones, follows progressive changes in water quality towards areas of discharge. These processes are time-dependent and the chemical changes as well as isotopic variations may be used to identify this evolution and provide information on water flow paths.作者: 嘴唇可修剪 時間: 2025-3-22 20:04 作者: folliculitis 時間: 2025-3-22 23:03
of events triggered by UV-B exposure. To be more specific, cutaneous vitamin D synthesis requires radiation at wavelengths less than 315 nm, the same wavelengths which are most detrimental in other aspects. However, vitamin D synthesis occurs at doses far below those of a minimal erythemal dose (MED作者: optional 時間: 2025-3-23 03:52 作者: magnanimity 時間: 2025-3-23 06:58 作者: 字形刻痕 時間: 2025-3-23 12:05
iological UV dosimeters, which include the determination of (i) long-term trends of biologically effective solar radiation; (ii) the contribution of the UV-B range to the BED; (iii) the sensitivity of the biologically effective solar irradiance to ozone; (iii) vertical attenuation coefficient of bio作者: neutrophils 時間: 2025-3-23 13:59 作者: Admire 時間: 2025-3-23 19:14
both motility and orientation are impaired by UV radiation. Another means of protection is achieved by the production of screening pigments including mycosporine-like amino acids (MAA) or scytonemins. MAAs are also produced by phytoplankton and macroalgae. In several organisms action spectra were me作者: 使增至最大 時間: 2025-3-23 22:18
ng pathways, thus potential inducers of defence or adaptation. Until recently, the involvement of ROS in stress was usually presumed from products of oxidative damage. These techniques are useful and important, but - unlike more direct methods-they provide little information about the primary reacti作者: 表臉 時間: 2025-3-24 04:06
iological UV dosimeters, which include the determination of (i) long-term trends of biologically effective solar radiation; (ii) the contribution of the UV-B range to the BED; (iii) the sensitivity of the biologically effective solar irradiance to ozone; (iii) vertical attenuation coefficient of bio作者: 服從 時間: 2025-3-24 07:45
needed to clarify if and how UVB or UVA radiations can affect other relevant genes. Overall, the data presently weigh most heavily toward the carcinogenic effect of UVB radiation: the latest data on experimental induction of CM in the opossum . are not indicative of any important contribution of UV作者: 永久 時間: 2025-3-24 12:47 作者: bifurcate 時間: 2025-3-24 16:23
pture both reductions and increments in environmental quality and natural resources. This first attempt to transfer environmental values seems to be the calculation of lost recreational value from the Hell’s Canyon hydroelectric project more than 30 years ago, as described by John V. Krutilla and An作者: Opponent 時間: 2025-3-24 21:26
pture both reductions and increments in environmental quality and natural resources. This first attempt to transfer environmental values seems to be the calculation of lost recreational value from the Hell’s Canyon hydroelectric project more than 30 years ago, as described by John V. Krutilla and An作者: Infuriate 時間: 2025-3-25 02:56 作者: ELUDE 時間: 2025-3-25 04:51
Laetitia Wolfffirst attempt to transfer environmental values seems to be the calculation of lost recreational value from the Hell’s Canyon hydroelectric project more than 30 years ago, as described by John V. Krutilla and An978-90-481-7035-7978-1-4020-5405-1Series ISSN 1571-487X 作者: Thyroxine 時間: 2025-3-25 09:26 作者: 去才蔑視 時間: 2025-3-25 12:17
includes images of natural phenomena (floods, storms, fires), Main Street America, rural life, political parades, and wacky "exaggeration" cards (such as a photographically manipulated giant rabbit!). Together these cards show an oddlypersonal and intimate perspective of America at the turn of the 20th century..作者: paroxysm 時間: 2025-3-25 19:03 作者: RUPT 時間: 2025-3-25 22:44
Todd Aldene in refrigeration. Production of CFC-12 (dichlorodifluoromethane, CF.C1.) began in 1931 followed by CFC-11 (trichlorofluoromethane, CFC1.) in 1936. Many other CFC compounds have since been produced, most notably CFC-113 (trichlorotrifluoroethane, C.F.C1.). CFCs are nonflammable, noncorrosive, nonex作者: Feigned 時間: 2025-3-26 01:57
ructive or destructive, depending upon the circumstances and context in which they are done: jogging is good for the cardiovascular system but in excess can cause shin splints. In the same way, casual exposure to solar UV radiation has some benefits, whereas excess sunbathing not only produces the d作者: 愚蠢人 時間: 2025-3-26 06:43 作者: 過分 時間: 2025-3-26 10:51
hts the spectral irradiance according to the biological responses under consideration. Biological dosimetry meets these requirements by directly weighting the incident UV components of sunlight in relation to the biological effectiveness of the different wavelengths and to potential interactions bet作者: 要求比…更好 時間: 2025-3-26 15:41
hts the spectral irradiance according to the biological responses under consideration. Biological dosimetry meets these requirements by directly weighting the incident UV components of sunlight in relation to the biological effectiveness of the different wavelengths and to potential interactions bet作者: neolith 時間: 2025-3-26 20:01 作者: Perennial長期的 時間: 2025-3-26 22:10 作者: 水土 時間: 2025-3-27 03:20 作者: ILEUM 時間: 2025-3-27 06:45
hts the spectral irradiance according to the biological responses under consideration. Biological dosimetry meets these requirements by directly weighting the incident UV components of sunlight in relation to the biological effectiveness of the different wavelengths and to potential interactions bet作者: 思想流動 時間: 2025-3-27 13:24 作者: PLAYS 時間: 2025-3-27 14:35
r as a stress, specially when it is combined with other factors, such as deviations from optimal growth conditions (temperature, water status) or with environmental pollutants (heavy metals, air pollutants, acidic rain). The adaptation and acclimation of photosynthetic organisms to changing environm作者: FOR 時間: 2025-3-27 20:24
d regulatory assessments over the last three decades. Over the last 15 years, other policy uses like environmental costing, greening of systems of national accounts and natural resource damage assessments after oil spills and other pollution accidents have also contributed to the increased demand fo
