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artificial diet     
相关语句
  人工饲料
     the appropriate pH ranges of artificial diet reared grown silkworms is 4.4~4.7 ;
     壮蚕人工饲料的适宜pH值范围是4.4~4.7;
短句来源
     The expression of classical swine fever virus's glycoprotein E_2 gene in silkworm rearing with artificial diet and baculovirus expression system
     人工饲料育家蚕/杆状病毒表达猪瘟病毒囊膜糖蛋白E_2基因
短句来源
     Based on the analysis of setae dispersion rate, hybrid rate of the 21 silkworm varieties investigated and the cost of artificial diet, we concluded that Jingsong×Haoyue, Chun·Lei×Zhen·Zhu, Su·Zhen×Chun·Guang, Lu 7×9202, 781×782·734, 871×872 and so on, were comperatively suitable for testing the F_1 hybrid rate by artificial diet rearing.
     分析供试家蚕品种的蚁蚕疏毛率、杂交率的检验结果和饲料成本认为,菁松×皓月、春·蕾×镇·珠、苏·镇×春·光、鲁7×9202、781×782·734、871×872等适合用人工饲料育进行一代杂交种的杂交率检验。
短句来源
     The optimum values for the component of artificial diet in factor analysis for soybean powder,wheat bran,yeast,casein,cholesterin were 10.99,9.10,3.99,2.98 and 0.031 respectively.
     以频次分析统计寻优法获得的甜菜夜蛾人工饲料优化配方为:黄豆粉、麦麸、酵母粉、干酪素、胆固醇之比为10.99∶9.10∶3.99∶2.98∶0.031.
短句来源
     The egg numbers in female moths of 3rd generation on artificial diet from these pupal weight levels were 1050 ± 358, 876 ± 280, 876±192, 971 ± 110, 921 ± 117, 764 ± 156 and 613±133, respectively, while that on natural diet was 496 ± 179. It was indicated that there was positive correlation between egg number and pupal weight of female pupa,and the range of female pupal weight possessed highest fecundity potential was from 80 to 110 mg.
     各雌蛹重量级别(人工饲料,第3代)怀卵量分别为:1050±358、876±280、876±192、971±110、921±117、764±156和613±133粒,天然饲料的为496±179粒。 结果表明,卵量与雌蛹重基本呈正相关,其生殖能力最强的雌蛹重在80~110mg之间。
短句来源
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  人工饵料
     Effect of different proteinic level of artificial diet on the growth rate and the structure of digestive glands of Silurus meridionalis in larva
     不同蛋白质水平人工饵料对南方鲇幼鱼增长率和消化腺结构的影响
短句来源
     In the farm culture trial, the mean daily growth of abalone fed on artificial diet reached 1 04. 44μm in shell length,and 9. 70mg in body weight- It relative growth index was 2. 7 times in shell length and 3. 28 times in body welght of which fed on seaseed(Gracllaria ).
     在养殖场投喂试验中,鲍摄食人工饵料后的平均壳长日增长104.44μm,为对照组(投喂江蓠)的2.7倍; 平均日增重9.70mg,为对照组的3.28倍。
短句来源
     In this paper the researches on digestive enzyme of fish, crustacean, echinoderm and mollusc were reviewed, and the relationship between the feeding habit, food composition, environment and development stags was discussed, which could not only provide a basic information of optimium formula of artificial diet but also be used in the biotechnology as tool enzymes.
     讨论了这些水生动物的消化酶活力与食性、食物组成、环境条件、个体发育的不同阶段等因素的关系。 研究消化酶不仅可为水产养殖业中优化人工饵料问题提供依据,而且作为工具酶在生物工程技术上有很大的利用价值。
短句来源
     The stability and putrefaction of the artificial diet feed for abalone,Haliotis diversicolor supertext was measured at different temperature condition when immersed in seawater.
     在实验室条件下,对鲍人工的饵料保形率和腐败度进行了测试,测定结果该人工饵料在水温30℃内,12h的保形率达88%;
短句来源
  人工饲养
     Feeding with artificial diet indoor,the larvae finished 6 instars before pupation.
     上树后的幼虫 ,在室内人工饲养条件下发育了 6龄仍未化蛹 .
短句来源
     This paper revealed complementary nutrition habit of mulberry longicorn, and relation between complementary nutrition and eggs laying and life span through experiments of mulberry longicorn rearing with artificial diet.
     通过桑天牛成虫人工饲养试验 ,阐明了桑天牛补充营养习性 ,补充营养与产卵、寿命的关系。
短句来源
     The release rate and ratio of the two isomers of sex pheromone of pink bollworm, Pectino-phora gossypiella, in different seasonal generations and fed with either host plant or artificial diet were quantitatively determined by utilizing a technique to quantifying the emission of the pheromone from the secretory glands of individual female moth.
     本文采用单个活雌蛾腺体的性信息素气体收集技术,对不同世代及实验室人工饲养的CZ品系棉红铃虫Pectinophora gossypiella(Saunders)性信息素释放速率作定量分析。
短句来源
     Trials with feeding of oncorhynchus kisutch fingerling on artificial diet
     人工饲养银鲑幼鱼的试验
短句来源
     The paper reported the result of a preliminary study on the artificial diet and controlling aphids of Harmonia axyridis (Pallas) conducted in Shanghai during 1994-95. The satisfactory result was obtained when this coccinellid fed with artificial diet in laboratory.
     本文报道1994~1995年间,在上海进行的异色瓢虫Harmoniaaxyridis(Pallas)人工饲养及防治棚栽草莓蚜虫的初步研究结果。
短句来源
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  “artificial diet”译为未确定词的双语例句
     5.The characteristics of the slow-sink artificial diet was: protein contain≥40.0 %,water contain≤12 %,feed coefficient≤2.0,the time of keep-shape≥12 h,the sedimentation speed ≤50 mm/s,the time of keep-fresh in water≥36 h,the unit price of diets≤7 Yuan/kg.
     5、研制的低沉性配合饲料的特性:蛋白质≥40%,水份≤12%,饵料系数≤2.0,保形性≥12h,沉降速率≤50mm/s,致腐时间≥36h,饵料单价≤7元/kg。
短句来源
     This study setting four groups that protein content in the diets are 48.23%,51.43%,54.09%and 56.22%respectively to investigate the suitable content of protein in artificial diet for Epinephelus malabaricus.
     设置4组配合饵料蛋白含量分别为48.23%、51.43%、54.09%和56.22%的试验组研究点带石斑鱼人工配合饵料中蛋白质的适宜含量.
短句来源
     4.During the culture,the percentage above 400 g were 86.8 % fed with slow-sink diet,61.5 % with normal artificial diet,48.5% with frozen-fish,the differences of the three diets were significant(P<0.05).
     4、大规格商品大黄鱼养殖中,达400g上市规格的以低沉性饲料所占的比例最高,达86.8%,普通配合饲料次之,为61.5%,冰鲜最低,为48.5%,差异显著(P<0.05)。
短句来源
     Experimental results suggest that when incorporated into an artificial diet at the concentration of 500mg/kg, the antifeeding activities of toosendanin,C 19 ,C 23 ,C 24 ,C 26 ,C 28 were 51 16%,57 61%,4 28%,51 08%,36 73% and 51 67%, respectively, C 19 ,C 24 ,C 28 had no significant difference with toosendanin.
     结果表明 ,川楝素以及C19、C2 3 、C2 4、C2 6、C2 8在 5 0 0mg kg浓度下拒食活性分别为 5 1 16 %、5 7 6 1%、4 2 8%、5 1 0 8%、36 73%、5 1 6 7% ,其中C19、C2 4、C2 8拒食活性与川楝素相当。
短句来源
     The content of titanium,iron,selenium,rare-earths in mulberry leaf powder andbasic artificial diet was determined. It was 61~92,520~1000,0.384,5.5 mg/kg in theformer and 37,650~710,0.414,5.4mg/kg in the latter,respectively.
     测定桑叶粉及基础饲料中钛、铁、硒、稀土元素的含量,分别为61~92、520~1000、0.384、5.5mg/kg和37、650~710、0.414、5.4mg/kg。
短句来源
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  artificial diet
It is shown that in larvae reared on an artificial diet, trophic indices depend on several factors, including the age and sex of larvae and the food plant on which the parental generation developed in nature.
      
The extracts were incorporated into artificial diet at a rate of 0.0% (control), 1.0%, 2.5%, 5.0%, and 10.0% (w/w).
      
Young hamsters were reared on an artificial diet with rice starch as carbohydrate and without added fat.
      
A practical artificial diet for the diamondback moth
      
A new artificial diet for the diamondback moth,Plutella Xylostella (L), had been selected out successfully.
      
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In the present work about forty antibiotics were tested for their toxicities on the larvae of the great wax moth,Galleria mellonella,the armyworm,Leucania separata,the cotton bollworm,Heliothis armigera,and the green peach aphid,Myzus persicae.It was found that the antibiotics are rather specific in their mortality effects towards different insect species.When mixed in an artificial diet actinomy-ein D,qingfengmycin,blasticidin S,terramycin and kasugamycin caused relatively high mortality rates on Galleria...

In the present work about forty antibiotics were tested for their toxicities on the larvae of the great wax moth,Galleria mellonella,the armyworm,Leucania separata,the cotton bollworm,Heliothis armigera,and the green peach aphid,Myzus persicae.It was found that the antibiotics are rather specific in their mortality effects towards different insect species.When mixed in an artificial diet actinomy-ein D,qingfengmycin,blasticidin S,terramycin and kasugamycin caused relatively high mortality rates on Galleria mellonella.But for the armyworm and the cotton bollworm only blasticidin S was effective when the solution was applied to the corn and cotton leaves respectively,and for Myzus persicae qingfengmycin was better than blasticidin S.The factor causing mortality in different insect species has been tested and discussed.

本工作收集了三十多种抗菌素(其中农用的14种)对蜡螟、粘虫、棉铃虫、桃蚜进行了毒效试验。结果表明同一抗菌素对不同昆虫的效果不同:在蜡螟中以放线菌酮、庆丰霉素、灭瘟素、土霉素、春雷霉素等毒效较高;对于粘虫和棉铃虫,只有灭瘟素效力较好;但在桃蚜中则灭瘟素的效果不及庆丰霉素。对于抗菌素引起昆虫死亡的原因进行了检查和讨论。

The present work deals with the rearing of adult lady beetels Coccinella septem-punctata L.on four diets which were formulated respectively as follows:1.fresh porcine liver plus honey (5:1,w/w) ; 2.fresh porcine liver plus honey and cane sugar (5:1:1,w/w); 3.fresh porcine liver plus honey,cane sugar,honey bee royal jelly and a-tocopherol (20:4:4:1.5:0.1,w/w); and 4.fresh porcine liver and fresh porcine placenta plus honey and cane sugar (5:5:2:2,w/w).The diets were prepared by homogenizing and mixing...

The present work deals with the rearing of adult lady beetels Coccinella septem-punctata L.on four diets which were formulated respectively as follows:1.fresh porcine liver plus honey (5:1,w/w) ; 2.fresh porcine liver plus honey and cane sugar (5:1:1,w/w); 3.fresh porcine liver plus honey,cane sugar,honey bee royal jelly and a-tocopherol (20:4:4:1.5:0.1,w/w); and 4.fresh porcine liver and fresh porcine placenta plus honey and cane sugar (5:5:2:2,w/w).The diets were prepared by homogenizing and mixing the components listed above in a Waning blender.The adult lady beetles used in the experiments consisted of individuals shortly after overwintering and individuals of the first generation collected in the field in An-young County in mid-April and mid-May respectively; the latter were collected as pupae which emerged into adults after being kept in the laboratory.In the experiments couples of the beetles (one male and one female) were reared in glass jars and the diets were changed twice a day.Controls were reared on wheat aphids and cotton aphids.Rearing experiments were also carried out by changing the diets,i.e.feeding with aphids for five days at the beginning and then with artificial diets for the rest period of the experiment.Records were made on the percentage of and the average amount of eggs laid by the ovipositing females in each experiment (30 pairs).It was observed that these four diets were successful to effect protracted survival and to promote oviposi-tion of the adult lady beetles.The respective percentages of and the average amounts of eggs laid by the ovipositing females of the overwintering generation in the rearing experiments (50 days) were as follows:70.6%,53.8; 61.5%,74.6; 52.9%,139.8; 71.4%,60.7.For the control (30 days); 100%,790.Those of the first generation (45 days) were as follows:35.4%,217.2; 37.0%,227.8; 42.9%,132.6; and 26.1%,33.7.For the control:82.6%,514.Hence the overwintering generation had higher percentages of ovipositing individuals than the first generation; but the average amounts of eggs laid were less.The lady beetles of the first generation subject to changing diets (i.e.fed with aphids for five days and then with artificial diets) had rather higher percentages of ovipositing females,but not the average amounts of eggs laid.It was seen that these four diets exhibited rather similar effects in promoting oviposition,but differed from the control in the longer pre-ovipositing periods,lower frequencies of oviposition,and lesser numbers of eggs laid on average.Our experiments proved that the lady beetles prefer aphids by ingesting larger amounts of the prey and thus they had a higher percentage of ovipositing females.It also indicated that the lady beetles prefer fresh diets; and in the course of rearing they exhibited a marked preference at the beginning,then a declination,and finally a rise in preference again.The writers' attenticn was called to the importance of phagostimulation in addition to the nutritional completeness in formulating the diets,and it is essential to induce the ingestion of a larger quantity of diets to raise the percentage of ovipositing females and to increase the amounts of eggs laid.The initial physiological conditions of the beetles from different sources and their inherent individual difference in response to the artificial diets are also of great importance in the experiments.

本工作分别用:1.鲜猪肝加蜂蜜(5:1,重量比,下同),2.鲜猪肝加蜂蜜和蔗糖(5:1:1),3.鲜猪肝加蜂蜜、蔗糖、蜂王浆和维生素E(20:4:4:1.5:0.1),4.鲜猪肝、鲜猪胎盘加蜂蜜和蔗糖(5:5:2:2)在组织捣碎机中捣成匀浆,制成四种代饲料喂养采自田间的越冬代和第一代(采蛹羽化而成)七星瓢虫(雌雄配对饲养于玻缸中),用喂蚜虫的作为对照,观察产卵的情况。此外,还用越冬代和第一代成虫喂蚜虫5天后改喂代饲料,观察对产卵的影响。结果见到以这四种代饲料喂养的越冬代和第一代成虫均能产卵。越冬代成虫的产卵百分率高于第一代,但平均产卵量较低。第一代成虫先喂5天蚜虫的各组产卵百分率略高于直接喂代饲料的各组,但平均产卵量并不高。这四种代饲料在促使产卵的效果方面是相近似的,但和喂蚜虫的比较时可见到产卵前期长,产卵次数少和间隔长,卵块小。改变饲料的试验表明瓢虫嗜食蚜虫,取食量大,故短期取食能提高产卵百分率。从瓢虫对代饲料的取食反应可见它们嗜食新鲜饲料;在长期饲养中开始时比较嗜食,继之减少,然后略有增加。作者等认为配制瓢虫代饲料时非但要注意营养成分的完整,并且也要注意助食因素的存在;要提高瓢虫的产卵百分率和产卵量,须提...

本工作分别用:1.鲜猪肝加蜂蜜(5:1,重量比,下同),2.鲜猪肝加蜂蜜和蔗糖(5:1:1),3.鲜猪肝加蜂蜜、蔗糖、蜂王浆和维生素E(20:4:4:1.5:0.1),4.鲜猪肝、鲜猪胎盘加蜂蜜和蔗糖(5:5:2:2)在组织捣碎机中捣成匀浆,制成四种代饲料喂养采自田间的越冬代和第一代(采蛹羽化而成)七星瓢虫(雌雄配对饲养于玻缸中),用喂蚜虫的作为对照,观察产卵的情况。此外,还用越冬代和第一代成虫喂蚜虫5天后改喂代饲料,观察对产卵的影响。结果见到以这四种代饲料喂养的越冬代和第一代成虫均能产卵。越冬代成虫的产卵百分率高于第一代,但平均产卵量较低。第一代成虫先喂5天蚜虫的各组产卵百分率略高于直接喂代饲料的各组,但平均产卵量并不高。这四种代饲料在促使产卵的效果方面是相近似的,但和喂蚜虫的比较时可见到产卵前期长,产卵次数少和间隔长,卵块小。改变饲料的试验表明瓢虫嗜食蚜虫,取食量大,故短期取食能提高产卵百分率。从瓢虫对代饲料的取食反应可见它们嗜食新鲜饲料;在长期饲养中开始时比较嗜食,继之减少,然后略有增加。作者等认为配制瓢虫代饲料时非但要注意营养成分的完整,并且也要注意助食因素的存在;要提高瓢虫的产卵百分率和产卵量,须提高代饲料的诱食作用和瓢虫的取食量。此外,试验材料在当时的生理条件和个体差异也

Tin's paper deals with the effects of some dietary physico-chemical factors on the feeding and growth of the silkworm. Some dietary requirements for the growth of the larvae have been studied and clarified. The results are as follows.1.Our experiments showed that chlorogenic acid, morin arid inositol promoted the feeding activity of the newly hatched larvae. β-Sitosterol and gallic acid were important for the normal growth of early instar larvae and chlorogenie acid, morin and inostiol also showed some favourable...

Tin's paper deals with the effects of some dietary physico-chemical factors on the feeding and growth of the silkworm. Some dietary requirements for the growth of the larvae have been studied and clarified. The results are as follows.1.Our experiments showed that chlorogenic acid, morin arid inositol promoted the feeding activity of the newly hatched larvae. β-Sitosterol and gallic acid were important for the normal growth of early instar larvae and chlorogenie acid, morin and inostiol also showed some favourable effects on that stage. In contrast, the above mentioned chemicals had very slight influence on the fifth instar larvae. In our experiments we did not find the feeding promotive effect of β-sitosterol on the newly hatched larvae.2.There were feeding repellent factors in the ether extracts of the soya-bean cake powder, and a water soluble factor may be removed by treatment with 90% me-thanol. The methanol treated powder favoured the growth of the early instar larvae. The feeding repellent effect of the untreated cake powder was less conspicuous on the later instar larvae. Better results on larva rearing were obtained when sorbie acid was used as the antiseptic agent in the artificial diet in comparison with that when propionic acid was used.3.The optimal water contents in the artificial diets for the newly hatched larvae, early instar larvae and later instar larvae were 77%, 73% and 71% respectively. Our experiments also showed that the results of larva rearing were influenced by the gel forming agents which contributed much to the physical character of the diets.4.Suitable regulation of the dietary acidity to pH 5 with citric acid and ascorbic acid favoured both the larval feeding activity and the rearing results.5.Based on the facts that the responses to the feeding promotive and repellent factors in the diets were different in different larval instars, it seems necessary to design different artificial diets for the larvae of different developmental stages: the newly hatched larvae, first to fourth instar larvae and the fifth instar larvae. There was also a difference in the different varieties of the silkworm to adapt the artificial diets which demonstrated the difference in their requirements for the physico-chemical factors in the diets.

本文研究了人工饲料某些理化因素对蚕儿摄食和生长的影响,从而阐明家蚕生长发育过程中在摄食行为和营养上的特点和变化。 1.试验表明:绿原酸、桑色素、肌醇可增进蚁蚕摄食:β-谷固醇、没食子酸对保证小蚕正常发育甚为重要,绿原酸、桑色素、肌醇也有良好影响;相比之下,上述一些因子对5龄大蚕的作用较小。此外未看到β-谷固醇对蚁蚕的摄食促进效果。 2.大豆粉的醚溶性成份中,含有影响蚁蚕摄食的忌避物质。大豆粉经90%甲醇处理,可以除去某种水溶性因子,有利小蚕生长;对比之下,上列因素对大蚕的损害较小。比较了二种常见防腐剂对家蚕摄食、成长的影响:山梨酸的饲蚕成绩优于丙酸。 3.在本试验基本组成条件下,收蚁、小蚕、大蚕所用饲料的含水率分别以77%、73%、71%左右为宜。实验说明,蚕儿饲育效果还受饲料中具有成形作用组份的影响。 4.调查了饲料pH和蚕儿摄食、成长的关系:以某些适宜的有机酸(如柠檬酸、抗坏血酸)调节饲料的pH在5左右为好。 5.由于不同发育阶段的蚕儿对摄食、成长促进因子的感受性和对忌避因素的耐受性均不相同,从而提出,对蚕儿作全龄饲育,至少应分别设计为收蚁用、1—4龄小蚕用、5龄大蚕用三种饲料。此外,不同品种家蚕对人工饲...

本文研究了人工饲料某些理化因素对蚕儿摄食和生长的影响,从而阐明家蚕生长发育过程中在摄食行为和营养上的特点和变化。 1.试验表明:绿原酸、桑色素、肌醇可增进蚁蚕摄食:β-谷固醇、没食子酸对保证小蚕正常发育甚为重要,绿原酸、桑色素、肌醇也有良好影响;相比之下,上述一些因子对5龄大蚕的作用较小。此外未看到β-谷固醇对蚁蚕的摄食促进效果。 2.大豆粉的醚溶性成份中,含有影响蚁蚕摄食的忌避物质。大豆粉经90%甲醇处理,可以除去某种水溶性因子,有利小蚕生长;对比之下,上列因素对大蚕的损害较小。比较了二种常见防腐剂对家蚕摄食、成长的影响:山梨酸的饲蚕成绩优于丙酸。 3.在本试验基本组成条件下,收蚁、小蚕、大蚕所用饲料的含水率分别以77%、73%、71%左右为宜。实验说明,蚕儿饲育效果还受饲料中具有成形作用组份的影响。 4.调查了饲料pH和蚕儿摄食、成长的关系:以某些适宜的有机酸(如柠檬酸、抗坏血酸)调节饲料的pH在5左右为好。 5.由于不同发育阶段的蚕儿对摄食、成长促进因子的感受性和对忌避因素的耐受性均不相同,从而提出,对蚕儿作全龄饲育,至少应分别设计为收蚁用、1—4龄小蚕用、5龄大蚕用三种饲料。此外,不同品种家蚕对人工饲料适应性的差别,与对饲料理化条件需求的不同也有一定联系?

 
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