PANIC
发表于 2025-3-25 04:57:30
Barbara Moss,Cynthia Hay,Graham Flegger scarcity periods. Egypt, as one of the Arabian and African countries, reflects this phenomenon as a result of increases in population, economic activities, living standards, and cultivated land, as implemented by the plans of successive Egyptian governments. Total water withdrawal between 2010 an
preeclampsia
发表于 2025-3-25 11:31:25
Barbara Moss,Cynthia Hay,Graham Fleggation about key soil properties and consequently know where, when, and how much agricultural inputs should be added to soil to maximize the productivity, minimize costs, and reduce the environmental impact. Proximal soil sensors can be used for laboratory, in situ and on-line measurement conditions.
根除
发表于 2025-3-25 13:19:37
of global edible plant species is provided only by wheat, maize, and rice. Current reliance on commercial plant species and crops has inherent nutritional, ecological, and economic risks and is unsustainable in the long term. Wider utilization of underutilized plant species (UPSs) to agricultural s
Tincture
发表于 2025-3-25 19:28:45
Antecedents,nd of the Roman Empire in the West in about AD 500. Chuquet’s mathematical achievements can best be appreciated against the general background of medieval mathematics. In this chapter, we can only briefly sketch some of the aspects of the history of mathematics 1n this period. For a general introduc
Instantaneous
发表于 2025-3-25 23:46:08
,The Triparty — First Part,ics. It has four chapters, the first two of which deal respectively with whole numbers and fractions, the latter being called “broken numbers”. The third chapter, which is rather more in the scholastic tradition of Boethius and the mediaeval universities, deals with progressions, the classification
COM
发表于 2025-3-26 03:13:10
,The Triparty — Second Part,oots of surds, here called “compound roots”. It is in this introduction that we first encounter Chuquet’s special notation for roots along with the use of underlining to indicate collections of terms which we would today put in brackets. Thus, in the last line of folio 46.. below, there is the expre
conformity
发表于 2025-3-26 05:51:37
,The Triparty — Third Part,irst” designating an unknown quantity to the power 1, written conventionally today as .. However, in order to distinguish clearly between “first numbers” (encountered earlier in the manuscript) and “firsts” in the context of the algebra, “.” is here translated as “first terms”. Chuquet does not expl
致词
发表于 2025-3-26 10:07:31
The Problems,d played a prominent role in the transmission of mathematical culture throughout the Middle Ages. From a tenth-century manuscript, sometimes attributed to Bede or to Alcuin, with the title., to the best—known of the early published collections, the . of Bachet de Meziriac (1612), the same puzzles ar
树木中
发表于 2025-3-26 12:49:32
The Geometry,l geometry” which illustrates “how the science of numbers can be applied to the measurements of geometry.” The first part of the . is concerned with basic geometrical ideas. Chuquet also discusses measuring devices such as the quadrant and gauges for wine vessels, and their uses in practical measure
摊位
发表于 2025-3-26 20:09:49
The Commercial Arithmetic,ical arithmetic and algebra of the . and the needs of the market-place. A teacher might add to his prestige by writing on algebra, but his pupils’ motives (or in the case of children, the motives of their parents) in learning arithmetic were almost entirely practical, and the lives of merchants and