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雌鸭
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  “雌鸭”译为未确定词的双语例句
     STUDIES ON REPRODUCTIVE PERFORMANCE OF INTERGENERIC HYBRID F1 BETWEEN DOMESTIC DUCK AND MUSCOVV DUCK
     家鸭和番鸭属间杂交F_1代雌鸭繁殖性能的研究
短句来源
     By allantoic route inoculation of DHBV 1× 10~9 virion/ml for 10μl to 9-day old duck embryos from group 1, the rate of DHBV viremia in these hatched ducklings is 83.3%.
     -)100%。 然而亲代雌雄鸭均为DHBV DNA阴性的雌鸭所产卵在孵化到第9天时,经尿囊腔注射1×10~9病毒颗粒/m110μl的血清,孵出雏鸭时DHBV DNA阳性率达83.3%。
短句来源
     Duckling experiment indicated that it was able to inhibit DHBsAg and DHV-DNA.
     雌鸭试验,可抑制DHBsAg、DHV-DNA。
短句来源
     Compared with the patter of applying pesticide without raising duck in rice fields, the pattern of raising trigamous duck in paddy fields increased 3.4% in rice yield, gained 324 kg/hm~2 in duck flesh and produced 76.5% in disease-insect-weed prevention and control(91% in disease resistance, 74.5% in insect prevention, 0.64 in weed controlling ability).
     其中稻田养雌鸭不施农药处理比稻田施农药不养鸭模式增产水稻3.4%,增收成鸭324kg/hm2; 养鸭不施农药的水稻病虫草害的综合防治效果为76.5%,其中防病效果为91%,防虫效果达74.5%,杂草控制系数为0.64。
短句来源
     The result of Ag-NORs showed that Ag-NORs were located in chromosome 1,2,3,6,sexchromosome Z and a pair of microchromosomes,and the Ag-NORs number varied from 1 to 6,average Ag-NORs number of each cell was 3.04 in females and 3.06 in males.
     C-带研究发现:W染色体整条深染,极易识别。 Ag-NORs研究结果表明:Ag-NORs常位于1号、2号、3号、6号染色体及Z染色体和一对小染色体上,Ag-NORs数目分布范围为1~6,平均每个细胞的Ag-NORs数雌鸭中为3.04雄鸭中为3.06。
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     Duckling experiment indicated that it was able to inhibit DHBsAg and DHV-DNA.
     试验,可抑制DHBsAg、DHV-DNA。
短句来源
     E,D+ducks. \;
     E,D+
短句来源
     Virus Hepatitis of Ducks
     肝炎
短句来源
     STUDIES ON REPRODUCTIVE PERFORMANCE OF INTERGENERIC HYBRID F1 BETWEEN DOMESTIC DUCK AND MUSCOVV DUCK
     家和番属间杂交F_1代繁殖性能的研究
短句来源
     (5) The female pronucleus forms.
     (5)原核出现。
短句来源
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Methods of artifical insemination of the domestic ducks (Peking Ducks or South China Ducks) and the domestic muscovy ducks are described in this paper. The methods consist of three processes, collection of semen, dilution, and artificial insemination. Using these methods it is possible to obtain not only fertile eggs from the insemination of ducks of the same species, but also hybrid ducks from the reciprocal crosses of the domestic ducks and the domestic muscovy ducks.Several dilutors were used in the artificial...

Methods of artifical insemination of the domestic ducks (Peking Ducks or South China Ducks) and the domestic muscovy ducks are described in this paper. The methods consist of three processes, collection of semen, dilution, and artificial insemination. Using these methods it is possible to obtain not only fertile eggs from the insemination of ducks of the same species, but also hybrid ducks from the reciprocal crosses of the domestic ducks and the domestic muscovy ducks.Several dilutors were used in the artificial inseminatian experiments. They were: 3-N dilutor, Ringer's solution, normal saline, albumen, yolk-sodium citrate solution and 6% glucose solulion. Among these dilutors tested, the 3-N dilutor was found to be the best.The fertility of South China ducks insemianted with the semen of Peking Ducks diluted to 20 times with 3-N dilutor of pH 7.7 was 55.6% (3 days av.), When the semen were diluted to 25 times, the fertility was 33.5-42.5% (3 days av.), and 28.5% (5 days av.).The fertility of South China Ducks inseminated with the semen of the muscovy ducks diluted to 10 times with 3-N dilutor of pH 7.7 was 42.4% (3 days av.). This was almost the same as the fertility using semen of Peking Ducks diluted to 25 times. This fertility could not be raised even the semen were less diluted.The fertility could not be noticeably raised by using semen kept at 35-38°C. aften colletion during winter. Conversely, too long preservation at such a temperature would decrease the viability of the spermatozoa and thus lowered the fertility.

1. 本文研究鸭类简便的人工授精方法,包括采精、稀释及授精三个步骤.已获得一种简便的采精及授精方法.2. 北京鸭的精液可用pH7.7的三钠稀释液,稀释20倍进行华南鸭的人工授精,受精率可达55.6%(三日平均),稀释25倍受精率可达33.5-42.5%(三日平均)及28.5%(五日平均).3. 番鸭的精液可用pH7.7的三钠稀释液稀释10倍进行华南鸭的人工授精,受精率可达42.4% (三日平均).这与稀释25倍的北京鸭精液所得到的受精率相等.如将稀释倍数减少,也未必能提高受精率.4. 用蛋黄柠檬酸钠混合液,蛋白、生理盐水、林格氏液作稀释,其受精率较之用三钠稀释液为低.5. 将精液保温35°-38℃,对于受精率没有明显的提高;反之保温过久,精子很快地损失活动力,因而降低受精率.6. 雌鸭子宫含卵或不含卵,不影响受精率.7. 鸭类适宜的稀释液pH为7.2-7.7.8. 用北京鸭或华南鸭的精液与番鸭混合后,进行华南鸭的混合授精,其受精率较之单用番鸭精液稀释同样倍数作人工授精为高,但较之单用北京鸭精液的为低.

DHBV in duck serum is assayed by α-~(32)P-DHBV DNA probe hybridization. It is found that the rate of DHBV viremia in hybrid from Beijing duck and Cherry valley duck was 5.1%, whereas in Gauyou local ducks was32.7-58.8%.Positive sera are confirmed by EM. The virion of DHBV is characterized. Ducks are divided into four groups. The rate of DHBV viremia in tile ducklings hatched from different groups is detected, Group 1 (F~-,M~-) is 0%, Group 2(F~+, M~+)100%, Group 3(F~-, M~+)28%, and Group 4(F~+, M~-)100%. By...

DHBV in duck serum is assayed by α-~(32)P-DHBV DNA probe hybridization. It is found that the rate of DHBV viremia in hybrid from Beijing duck and Cherry valley duck was 5.1%, whereas in Gauyou local ducks was32.7-58.8%.Positive sera are confirmed by EM. The virion of DHBV is characterized. Ducks are divided into four groups. The rate of DHBV viremia in tile ducklings hatched from different groups is detected, Group 1 (F~-,M~-) is 0%, Group 2(F~+, M~+)100%, Group 3(F~-, M~+)28%, and Group 4(F~+, M~-)100%. By allantoic route inoculation of DHBV 1× 10~9 virion/ml for 10μl to 9-day old duck embryos from group 1, the rate of DHBV viremia in these hatched ducklings is 83.3%.

用α-~(32)P-dATP-DHBV DNA探针做斑点杂交试验、检测了不同鸭种血清中携带DHBV情况。其中北京鸭与樱桃谷鸭的杂交种鸭杂交阳性率为5.1%;而不同鸭龄不同饲养条件的高邮麻鸭血清阳性率32.7—58.8%,经EM检测均在血清中找到病毒颗粒。将DHBV DNA不同的亲代配对所组成的四个组分群饲养,观察产卵后再孵化出的雏鸭DHBVDNA阳性率。第一组(♀-(?)-)为0%,第二组(♀+(?)+)为100%,第三组(♀-(?)+)28%,第四组(♀+(?)-)100%。然而亲代雌雄鸭均为DHBV DNA阴性的雌鸭所产卵在孵化到第9天时,经尿囊腔注射1×10~9病毒颗粒/m110μl的血清,孵出雏鸭时DHBV DNA阳性率达83.3%。

Wuwei Zhigan tablet is a preparation of Chinese materia medica for treating chronic hepatitis,in which four ingredients have been identified by chemical and physical methods.Syringenin,the component of Radix Acanthopanacis,was assayed with HPLC. Stability test showed that it could remain stable with in 2 years at least.Duckling experiment indicated that it was able to inhibit DHBsAg and DHV-DNA.It has been proved that this preparation could inhibit the synthesis of rcDNA and ssDNA,which are the intermediate...

Wuwei Zhigan tablet is a preparation of Chinese materia medica for treating chronic hepatitis,in which four ingredients have been identified by chemical and physical methods.Syringenin,the component of Radix Acanthopanacis,was assayed with HPLC. Stability test showed that it could remain stable with in 2 years at least.Duckling experiment indicated that it was able to inhibit DHBsAg and DHV-DNA.It has been proved that this preparation could inhibit the synthesis of rcDNA and ssDNA,which are the intermediate products in DHBV duplication.In a clinical observation on 687 chronic hepatitis patients receiving a course of 3-month treatment,the short-term curative rate was 21.7% and total effective rate 82.8%.After 12-month follow,the curative rate was 20.4% and total effective rate 75.6%.

五味治肝片是治疗慢乙肝的中药制剂,其中4味有理化鉴别。用高效液相法测君药刺五加成分紫丁香甙含量。稳定性试验表明,至少在两年内保持稳定。药效学试验有护肝作用。雌鸭试验,可抑制DHBsAg、DHV-DNA。细胞培养证实,本品抑制了DHBV-DNA复制中间产物rcDNA和ssDNA的合成。对687例慢乙肝患者临床研究,经3个月治疗,近期治愈率21.7%,总有效率82.8%:12个月随访,基本治愈率20.4%,总有效率75.6%。

 
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