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1)  oestrus fecundation rate
情期受胎率
1.
In order to examine the effects of different seminiferous places on oestrus fecundation rates,artificial in semination was conducted inside uterus neck,in the forfication of uterus body,the big curve and small curve of uterus cornu in 20-24 h after oestrus.
为了验证不同输精部位对情期受胎率的影响,在发情开始后的20 h~24 h内进行人工授精,分别对子宫颈内口、子宫体分岔处、滤泡发育侧的子宫角大弯处、滤泡发育侧的子宫角小弯处4个不同输精部位的情期受胎率结果进行统计,分别为43。
2)  first estrus conception rate
第一情期受胎率
1.
By analysing the first estrus conception rate in 449 sows from a pig farm in Zhongshan city, the correlation between conception rate and air temperature and so on was determined.
通过对中山市某大型猪场 449头母猪第一情期受胎率的统计及其与温湿度等主要气候生态因子的相关分析表明 ,气温对母猪第一情期受胎率的影响较大 ,它们之间呈极显著的负相关关系。
3)  Nonreturn results
情期一次受胎结果
4)  conception rate
受胎率
1.
Observation of Conception rate of Artificial Insemination of Straw Frozen Semen from Dorser Mutton Sheep;
陶塞特肉羊细管冻精人工授精受胎率的观察
2.
The results of using LRH-A_3 to induce estrus in anestrus gilts indicated that LRH-A_3 could promote estrus in anestrus gilts and shorten the days open of first-litter sow, improve estrus rate and conception rate of anestrus gilts,and increase litter size.
(2)LRH-A3显著地提高发情率和情期受胎率:试验组的发情率、受胎率分别比对照组提高30。
3.
The results showed that the total conception rate was 58.
25 mL)配种的总受胎率为58。
5)  Pregnancy rate
受胎率
1.
Experiment of improving embryo transfer pregnancy rate of goat by using endoscope;
应用腹腔内窥镜提高山羊胚胎移植受胎率的试验
2.
With the technique of determining ovulation in cow ovary by rectal examination, learning proper insemination time and stiff sterilization, the pregnancy rates of the cattle and buffalo were raised from 20% and 40% to 40% and 60%, respectively, in 2003 in Zhongshan County.
20 0 3年 ,钟山县推广应用直肠检查判断母牛卵巢排卵情况 ,掌握适时输精时间 ,严格消毒 ,使水牛、黄牛受胎率分别由 2 0 %、4 0 %提高到 4 0 %、6 0 %。
3.
The results show that the pregnancy rate of the five and eight times dilution group in rut period were 91.
采用新鲜羊奶稀释液进行了7个不同稀释倍数的试验,结果表明5倍与8倍稀释组情期受胎率分别为91。
6)  Pregnant rate
受胎率
1.
Pregnant rate is affected by the different environment of the embryo before and after transfer.
同期发情是影响胚胎移植受胎率的一个关键因素。
2.
The clinical reactions of the disease and goats have a poor constitution leading by the disease, and the stress reactions caused by injecting of the vaccine could affected the pregnant rates of the female goats.
疾病引起的临床反应和羊群体况下降及注射疫苗引起的应激反应会影响母羊的受胎率。
补充资料:欧洲式期权、美国式期权与亚洲式期权


欧洲式期权、美国式期权与亚洲式期权


  【欧洲式期权、美国式期权与亚洲式期权】期权合约所规定的权利有一定的时效期,过了失效日后,权利即行作废。一些期权规定权利仅能在有效期的最后一天执行,这种期权被称为欧洲式期权(ell功pean叩tions);另一些期权则容许在有效期内任何一天执行,这种期权被称为美国式期权(一~oPtions)。值得指出的是,虽名为欧洲式或美国式期权,但已无任何地理上的意义。由于欧洲式期权的规定过于严格,又出现了一种“改变的欧洲式期权”,它允许期权在一定的时间范围内进行交易。可见,美国式期权为期权购买者提供了更多的选择机会,因此,它的购买者也往往需支付更高的保险费。近年来无论在欧洲或美国,所交易的期权均以美国式为主,欧洲式期权虽仍存在,但其交易量已比不上美国式期权。 在so年代末期,市场上又出现了一种所谓亚洲式期权(asian ontions),但也无地理上的意义,其差别主要在于履约价值(exe而sev公此)的计算。以买权为例,无论是美国式期权或是欧洲式期权,执行权利所能得到的履约价值均为当时标的物的市价减去履约价格,再乘以合约所定的数量,但亚洲式期权的履约价值则为权利期间内标的物市价的平均(计算至履约日为止),减去履约价格,再乘以合约所定的数量。
  
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