One ‘micro’ example of the success of environmental and ecological archaeology involves a ‘farm mound’ on Papa Westray, an island in the Orkney archipelago off the northern tip of Scotland. The mound, once thought to result from either a dung heap or a decayed and replaced turf building,...
The results of the study contribute to the knowledge of recent volcanic activity in the area and will help to mitigate the risks from future eruptions; at the same time, they record the oral history and historical beliefs in the memory of these indigenous peoples with regard to their territory...
a每逢这个节日的时候都会举行各种各样的活动,例如文艺节目,组建美食, Meets every time this holiday time can hold various activity, for example theatrical item, creation good food, [translate] a没大问题 Does not have the major problem [translate] a她的要成为一名大学生的梦想 She must become a ...
The deposits over which the Lapas locality is located (Lapas terrace) are another example of Pleistocene tufas. This build-up is up to 16 m thick. It stands out because of the extensive and intricate development of elongate caves (i.e., tunnels) carved mostly in fine-grained carbonate-domin...
A prominent example of such an approach is multi-catalyst relay catalysis (MCRC), which requires the seamless combination of a series of catalytic reactions. In this paper, using a highly compatible and efficient multi-catalyst system, we have developed a cascade hydroformylation and asymmetric ...
Cycloaddition reaction of CO2with epoxide was carried out in an autoclave (Kemi NSI-100), and the details are shown in the supporting information. Taking GO-CuPc-IL as an example, the representative reaction process is as follows: PO (1.66 g, 28.6 mmol) and GO-CuPc-IL (83 mg) were ...
For example, when providing unit dates through radiocarbon analysis it should be made clear whether the ages are calibrated and which algorithm was used in the calibration. The methods and assumptions behind volume estimates and conversions to DRE values should also be reported, and estimates of ...
Reconstructions of past aeolian activity across northern China are derived mainly from aeolian, loess and lacustrine deposits. For example, palaeo-aeolian sand is the most direct evidence for past aeolian activity due to the expansion of deserts and dune fields (Dong et al., 1983). A synthesized...
For example, Jiménez- González et al. [1] have proposed that processes should incorporate green metrics towards the broader goal of environmental sustainability. Among those green metrics, these authors also make emphasis on the obviously economical aspect, however, the important aspects should not ...
EXAMPLE 1 N-(2-carbamoylethyl)-4-cyanopyridinium chloride Isolation of title compound The following procedure was also applied to the preparation of the 3-cyanopyridine quaternization salt and also to mixtures of 3-cyano/4-cyanopyridine quaternization salts. A five liter, three-necked round bottom...