青年母牛,Heifer
1)Heifer[英]['hef?(r)][美]['h?f?]青年母牛
1.Inducing Estrus Using PMSG for Heifer;应用孕马血清促性腺激素诱导青年母牛发情试验
2.The present study observes the dynamic change of follicles and corpus luteum and follicularwaves by ultrasonic scanner during the estrous cycle of the non~pregnant heifers, for a betterunderstanding of ovarian function and controlling ovulation.试验一:对 7 头 18 个月龄的娟姗和荷斯坦青年母牛,用 PG 做同期发情处理,然后每天直检卵巢上卵泡和黄体的形态,并用 B-超仪扫描观察。
英文短句/例句

1.Study on Rut Test of PMSG Induction for Holstein Youth CowsPMSG诱导荷斯坦青年母牛发情试验研究
2.Experiment Report on Superovulation and Embryo Transfer of Jersey Heifer娟姗青年母牛超数排卵及冻胚移植效果试验报告
3.The Changes of the Ovarian、Estradiol and Progesterone Concentration of the Young Cows in the Estrous Cycle发情周期中青年母牛卵巢、雌二醇和孕酮的变化规律
4.Ovarion dynamic development pattern in the young cow with the B-mode ultrasonic scanner technology应用B超技术监测青年母牛卵巢动态变化的研究
5.A young cow or bull.小牛年幼的母牛或公牛
6.The mature female of cattle of the genus Bos.小母牛指母牛属的成年雌性牛
7.Effect of Different Feed Factors on Excretion of Urinary Purine Derivatives in Young Buffalo;不同日粮因素对青年母水牛尿中嘌呤衍生物排出规律的影响
8.Effect of Different Urea Addition in Ration on Excretion of Urinary Purine Derivatives in Young Buffalo不同尿素添加水平对青年母水牛尿中嘌呤衍生物排出规律的研究
9.A young cow, especially one that has not yet given birth to a calf.小母牛年幼的母牛,尤指未曾生过牛犊者
10.Effect of different dietary levels on excretion of urinary purine derivatives in young buffalo不同日粮采食水平对青年母水牛尿中嘌呤衍生物排出规律的影响研究
11.Teenagers are the chief market for Blue jeans.青少年是蓝色牛仔裤的主要销售对象。
12.The Growth Traits of the Chinese Holstein Cows Which Have Ten Thousand Kilograms Milk中国荷斯坦万公斤青年牛的生产性能
13.motherless calf in a range herd of cattle.牛群中失去母牛的小牛。
14.The Relationship between Personality and Personality Match of Mother and Adolescent and Mother-adolescent Conflict;母子性格、性格匹配与青少年期母子冲突的关系
15.teenagers straining at the leash to escape parental control极力要摆脱父母控制的青少年.
16.She is the living image of her young mother.她活像她母亲年青时的样子。
17.The youth was fortunate in having understanding parents.这个青年有通情达理的父母, 真幸运。
18.They do not feel comfortable .他们(青少年)觉得跟父母谈话不自在。
相关短句/例句

young bufflor青年母水牛
1.Three experiments were involved in this study, Mainly study the effect of different feed type on urinary excretion of purine derivatives (PD) in young bufflor.本论文研究不同日粮因素对青年母水牛尿中嘌呤衍生物(PD)排出量的影响,其中包括三个不同的试验。
3)Jersey heifer娟姗青年母牛
4)Holstein Young Cow荷斯坦青年母牛
5)young cow青年奶牛
6)youth milk cow青年牛
1.Usually,the yield of the youth milk cow is not very high.奶牛投产后的第一胎习惯上又被称为青年牛,一般情况下青年牛产奶量不是很高,一个泌乳期305d产奶量能达到一万公斤的个体更加少见。
延伸阅读

母牛分子式:CAS号:性质:简称核素发生器,俗称母牛。一种能从半衰期较长的放射性母体核素中分离由它衰变产生的较短半衰期子体核素的一种装置。将母体核素吸附在装有适当吸附剂的发生器内,经过一段时间随着母体核素的衰变和子体核素的生长与衰变,子体核素达到一定活度时,用适宜的淋洗剂把子体核素淋洗下来,使其与母体核素分开。上述分离过程可重复进行,直到母体核素衰变到很弱不能使用为止。常用的核素发生器有99Mo-99Tcm,68Ge-68Ga,113Sn-113Inm,62Zn-62Cu,188W -188Re发生器。