1、That's a fertility rate of 2.0.
2、The total fertility rate is contentious.
3、age-marital duration specific fertility rate
4、A fertility rate of 1.8 is still below replacement.
5、The fertility rate is a hypothetical, almost conjectural number.
6、The fertility rate in the EU is1.47- well below replacement.
7、Sometime between 2020 and 2050 the world's fertility rate will fall below the global replacement rate.
8、"fertility rate: Births per thousand, usually related to individuals of same sex, age, marital status, etc."
9、In some countries the speed of decline in the fertility rate has been astonishing.
10、It is lower than the two-children-per-woman fertility rate in the United States.
11、Even Japan, famous for its dearth of children, has a higher fertility rate, at 1.3.
12、If you adjust their lifetime fertility rate to take account of this bulge of babies on arrival, you find immigrant fertility is about 2.2, not much above average.
13、the fertility rate of half the world is now 2.1 or less—the magic number that is consistent with a stable population and is usually called “the replacement rate of fertility”.
14、" The methods for calculating fertility rate of eggs of black carp,grass carp?silver carp and bighead carp"
15、When I look at the problem of Rwanda's population, it starts with the high fertility rate among our poor women.
16、After a steady decline for almost a whole decade, the country's fertility rate shows signs of leveling off.
17、The country has the lowest fertility rate among developed nations with an average of 1.08 children per woman.
18、The American fertility rate is around the replacement rate of 2.1, compared with 1.4 for Germany and Italy, where populations are in decline.
19、In France the fertility rate is already around two children per female, not far short of the “replacement rate” which keeps population numbers steady.
20、Nevada was close behind with a 7.7 per cent fertility rate drop and a 12.5 per cent jobless rate - the second worst state for both job losses and a birth rate fall.
21、The birth rate and natural growth rate decreased from 33.43‰ and 25.83‰ in 1970 to 15.23‰ and 8.77‰ in 1999 respectively. The total fertility rate went below the replacement level, making China one of the countries with a low fertility level in the wo
22、But with a population as large as China's and over a long time horizon, the consequences of small differences in the fertility rate are far reaching.
23、This pape probes to the stage-structure systtm with nonlinear fertility rate, making clear the ample conditions of the systtm's global stability of the equilibriums.
24、Tracking the changing "price" of women, Mr. Porter turns his eye to America's fertility rate, which went into steep decline around 1970.
25、Methods The statistical description of fertility rate, age at first marriage, age at first birth, interval between marriage and first birth, birth interval.
26、By 2030, according to United Nations projections, the total fertility rate in sub-Saharan Africa could fall to three. By 2050 it could be below 2.5.
27、The result indicated that ripe fish can strong physique by breeding in reinforcement, using oxytocic to make ripe fish grow synchronously, increase fertility rate of ripe fish, using slack water lo charge can increase the hatchabilily over95%.
28、This paper shows: When the month average air temperature is lower than15℃: orhigher than27℃; and cold ware or superheat temperature comes, the fertility rate and litter sixe in sows must reduced remankably.
