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food habits
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  饮食习惯
     The American Food Habits
     美国饮食习惯
短句来源
     Whereas the high incidence of hyperlipemia and its serious harm. We have studied the effects of food habits on serum lipid level, as well as the relationship between apolipoprotien E gene polymorphism to serum lipid level was investigated in this paper.
     鉴于血脂异常发生率高,危害严重,本文对其病因、病机,尤其是与饮食的关系进行了以下研究:调查饮食习惯对血脂水平的影响,检测载脂蛋白E(ApoE)基因型,研究ApoE基因多态性与血脂水平的关系,通过研究得出以下结论:
短句来源
     Objective To study the relationship between food habits and cardiovascular diseases,denutrition and long-life of old people including the inhabitants over 80liding scattered in mountain areas and countryside.
     目的探讨山区农村散居80岁及以上老人营养饮食习惯与心脑血管病、营养缺乏病和长寿的关系。
短句来源
     Through investigation to 108 simple obesity children or juvenile and 120 contrasted children or juvenile with normal weight, the significant difference in family history, food habits and behavior tendency between the two groups were found.
     本文通过对108名单纯性肥胖少儿及120名同质非肥胖少儿进行调查,发现两者在家族史、饮食习惯、行为习惯方面存在着显著性差异(P<0.05)。
短句来源
  食性
     the growth characteristics and food habits of pseudobagras fulvidroco have been conducted, The results are as follows. The body weight -body length relationship can be expressed by W =3. 571×10-4L2.379, and the general pattern of its body length growth can be expressed by Von Bertalanffy growth equation; Lt=237. 002 (1- e-0.280(t+0.127)).
     本文研究了黄颡鱼的生长特征及食性,得到黄颡鱼体长与体重的关系式为W=3.571×10~(-4)L~(2.379),体长生长方程为Lt=237.002(1-e~(-0.280(t+0.127)),主要食物为虾类,其次为小鱼、鱼卵等。
短句来源
     From 1994 to 1997, the food habits, feeds, raising technique and management of Masked palm civet were studied on the experimental base of Shaanxi institute of Zoology at Huxian county.
     1994-1997年,作者在陕西省动物研究所户县试验基地,对果子狸的食性、饲料、饲养技术与管理方法进行了研究.果子狸属杂食性动物.现已利用的饲料为4大类:(1)动物性饲料;
短句来源
     Evaluation on the Studying Methods of Carnivore Food Habits
     食肉动物食性研究方法评价
短句来源
     When four other factors, substrate, food habits, habitat, and latitude, are combined with mass in the analysis, then 98.7% of the total variation in basal rate is accounted for, i.e., these ecological/behavioral factors accounted for 81.1% of the residual variation.
     当栖息基底、食性、生境和纬度等4个因素与体重合起来一起分析,则可以解释基础代谢率98.7%的变化,即这些生态和行为因子可以解释代谢率残差变异的81.1%。
短句来源
     Study methods and procedures for ungulate food habits
     有蹄类食性研究方法及研究进展
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  “food habits”译为未确定词的双语例句
     The result showed that the content of Cu , Zn, Fe in the hair of rural pupils were significantly lower than that of the children in the town , (P<0. 05 and P<0. 01 ). The children of lacking. Zn account for 45. 30% especially at the age 1 to 2. If seems we should impove food habits so as to increase intake of Zn , Cn , Fe.
     用原子吸收法测定儿童头发中Cu、Zn、Fe含量表明,阜阳地区农村儿童头发锌低于阜阳市学龄儿童,差异显著(P<0.05),Cu、Fe含量亦明显低于城市儿童,差异非常显著(P<0.01),1~2岁儿童缺锌较严重,建议当地改进膳食结构,提高Cu,Zn、Fe摄入量。
短句来源
     Study on Food Habits of Pseudorasbora parva in Liangzi Lake
     梁子湖麦穗鱼食性的研究
短句来源
     THE EVALUATION ON SCATS-ANALYSIS DETERMINE THE CARNIVORE FOOD HABITS
     粪便分析法测定食肉动物食性的评价
     Effects of health education on food habits for 35~45 years old residents in yan’an city
     健康教育对35~45岁城市居民饮食习惯的影响
短句来源
     Comparative Studies on Food Habits of Several Rodent Species
     几种啮齿动物食性比较研究
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  food habits
Concern about nutrition and its relation to the food habits of a group of young university students from Madrid (Spain)
      
Food habits of Podarcis filfolensis (Reptilia, Lacertidae) on a small Mediterranean island during the dry season
      
Based on previously published data on food habits of P.
      
Scalp hair and fingernail samples of 42 medical radiographers and 42 nonradiographers (control) with matching age groups and food habits were collected for this study.
      
The role of genetic and environmental factors such as home remedies, familial food habits, etc., in the etiology of this cancer among these blood relatives, all in the same generation of one family, are unknown.
      
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The present paper is a review of the experimental results of current researches concerning foodpreferences and nutrition of plant-feeding insects. Stress has been laid on the roles played by the sensory discriminations and nutritional requirements in the selection of host plants. The effectivevisual, olfactory, tactile and gustatory stimuli emitted from plants may be classified as attractive orrepulsive for insects during food-finding and phagostimulative or phagoinhibitive for insects duringfeeding. The same...

The present paper is a review of the experimental results of current researches concerning foodpreferences and nutrition of plant-feeding insects. Stress has been laid on the roles played by the sensory discriminations and nutritional requirements in the selection of host plants. The effectivevisual, olfactory, tactile and gustatory stimuli emitted from plants may be classified as attractive orrepulsive for insects during food-finding and phagostimulative or phagoinhibitive for insects duringfeeding. The same may be applied to oviposition of the adult females whose offspring will feedon the same plant where they lay their eggs. Descriptions are given for the nature of the varioussensory stimuli and the characteristics of responses of different insects. In establishing nutritionalrelations with their host plants phytophagous insects of various food habits conceived as oligopha-gous, polyphagous, etc. perhaps all may subject to the action of favourable as well as unfavourablestimuli. Sometimes these two categories of stimuli may not be confined to the 'odd' substances ofplant origin, as revealed by the fact that some species have been reared successfully with artificialmedia of purified chemicals. Since food preferences may imply the possibility of maintenance of a population of an insect ona particular plant species, the roles played by nutritional requirements and the capacities of fooddigestion and utilization and of tolerating or omitting detrimental actions of toxic substances inplants are also important factors. These are the manifestations of the metabolic peculiarities ofdifferent insect species and different individuals of the same species. Although there are manysimilarities in the nutritional requirements of the phytophagous species so far studied, one cannotdisregard the functional adaptation in the differential utilization of the chemical constituents ofplants. Viewing the facts that nutrients such as sugars and amino acids may be used as phagostimu-lants and that the genral nutritional condition of the insect may also affect the threshold ofsensory perception and the frequency of occurrence of dispersal movements which may lead to thechange of the relation with the host plant or the location of feeding, one may agree to the genera-lization that thee are relations between host specificity and nutrition. Various theories concerning the causes of host specificity are examined and discussed.

本文综述和讨论近年来有关植食性昆虫食性和营养的研究结果和发展。第一部分略述该类昆虫食物因理化性质的各异所引起的食性特化现象,由此所产生的研究课题和国际对这方面的研究动态。第二部分叙述昆虫的感觉作用和食料植物选择之间的关系,列举对不同昆虫在觅食或产卵时有诱致或驱斥效应的和在取食时有助长或抑制效应的感觉刺激的本质和昆虫反应的特点。第三部分讨论植食性昆虫的营养和代谢的特点及其与食性特化的关系,在列举较近期间的研究成就后指出在不同种类中所存在着的营养差异,可能和食性特化有某些联系。这类昆虫的营养需要和对植物中有毒物质的适应都是代谢类型的反映,它们和昆虫的感觉反应有一定的联系,在与植物建立营养的关系中同样是重要的。第四部分叙述并讨论了有关植食性昆虫食性的某些理论,其中包括在选择食物中的机制、食性形成的主导因素、对食性类型以及食性演化的解释等。最后,指出对有关方面研究的可能进展和成就,及其在昆虫学各方面所起的影响。

This herbivorous bream (Megalobrama amblycephala Yih) occurs wild in certainlarge and median-sized lakes of the mid-lower Yangtze basin and was not found elise-where.Since its recognition in 1955 as a new species distinct from Megalobramaterminalis,to which it bears a superficial resemblance,it has been subjected to generalbiological studies as well as pond-culture experimentation.Observations made in our hatcheries indicate that this bream is much more resis-tant to bacterial diseases than the well-known grass...

This herbivorous bream (Megalobrama amblycephala Yih) occurs wild in certainlarge and median-sized lakes of the mid-lower Yangtze basin and was not found elise-where.Since its recognition in 1955 as a new species distinct from Megalobramaterminalis,to which it bears a superficial resemblance,it has been subjected to generalbiological studies as well as pond-culture experimentation.Observations made in our hatcheries indicate that this bream is much more resis-tant to bacterial diseases than the well-known grass carp (Ctenopharyngodon idellus),which is highly esteemed by our pisciculturists on account of its big size,quickgrowth,tastefulness,and herbivorous food habit,yet on the other hand,it is alsonotorious for its susceptibility to bacterial infections.Except for the smaller size,this bream has as many favourable features as the grass carp and is,in other respects,even superior to the latter.Of particular interest is that this bream can matureand breed spontaneously in ordinary fish ponds.In middle Hupei,this bream spawns from late April to early June.Its eggs,like those of the common carp and goldfish,are of the adhesive type and can beincubated in the same way as for incubating goldfish eggs.But the rearing of itsfry,which are so small and delicate,is more difficult.In our experimentation forrearing the fry,better results have been obtained by letting the eggs and the newly-hatched larvae stay in the hatching pond until the fry grow to inch-sized fingerlings,in contrast to the ordinary practice (for various carps) in which the fry are to betransferred to the rearing pond shortly after they become capable of swimming abouthorizontally.At a water temperature of 26—28℃,the eggs hatch in 24—30 hours,with anaverage hatching rate of 60% both in indoor incubation and in the pond.When the yolk sac of the larvae is nearly absorbed,the fry feed first on rotifersand nauplii,but soon become large enough to feed on cladocerans and copepods.Ifthe pond is rich in zooplanktaon,the fry will grow fast with little mortality.Theproduction of natural food organisms should be promoted by manuring the hatching-rearing pond,although care should be taken not to overfertilize.Fingerlings of this bream when reared in ponds even without any prophylacticprecautions will grow nicely on vegetable diet and very rarely get bacterial infections,so they have much better chance of surviving as compared with the grass carp.Thisis also the case with the yearling cultures.Experimental polycultures with bream andgrass carp indicated that the bream had a survival of 84—89%,while the grass carp had a survival of only 14—14.5% because of bacteriai infections.Fingerling bream 10—13 cm in total length stocked in the pond at the rate of2500—3000 fish per mou will in the course of one year attain to a weight of 300 gramsper fish,which is a good size for the market,whereas fingerling grass carp usuallytakes two years to grow to its market size,thus the tempo of pond utilization can bequickened one year by raising the bream.The bream is fairly tame and easy to seine.In pond culture,the first seiningwould catch about 70% of the individuals present.In short,this bream has many favourable features to fullfil the requirements ofan excellent fresh-water food fish and is worthy of being propagated and raised.Ithas already been successfully cultured in most provinces of our country at present.

团头鲂原是一种野生的草食性淡水鱼类,从1960年起对它进行了一系列的观察试验,肯定它有以下六个优点:(1)在池养条件下,性腺能发育成熟;(2)以各种草类为主要食料;(3)抗病力强、成活率高;(4)容易捕捞、起水率高;(5)含肉量高,脂多、味美;(6)一年半可长至商品规格。试验结果证明团头鲂可以作为新的养殖对象,同时也提供了一套繁殖、饲养管理方法。1964年到1973年已有二十一个省市先后进行移殖饲养,有的已就地繁殖、推广。本文系历年试验和部分移殖经验的总结。

This paper deals with the bionomics and controlling measures of the following three species of thrips infesting rice in Jin-bing: Thrips oryzae Williams, Frankliniella tenuicornis (Uzel) and Haplothrips aculetus (Fabricius). They are different in food habits: T. oryzae prefers tender rice seedlings while F. tenuicornis and H. aculetus prefer the flowers. Thus they cause different types of damage in the rice fields. Moderately high temperatures favor their multiplication but prolonged rainy periods and...

This paper deals with the bionomics and controlling measures of the following three species of thrips infesting rice in Jin-bing: Thrips oryzae Williams, Frankliniella tenuicornis (Uzel) and Haplothrips aculetus (Fabricius). They are different in food habits: T. oryzae prefers tender rice seedlings while F. tenuicornis and H. aculetus prefer the flowers. Thus they cause different types of damage in the rice fields. Moderately high temperatures favor their multiplication but prolonged rainy periods and heavy rains have inhibitory effects. Their outbreaks in Kweichow Province were caused by the practice of double rice cropping or other complex agricultural systems. Their damages can be avoided by careful planning of the cropping systems so as to break their food chains. For chemical control of T. oryzae the appropriate time is at the seedling stage of three to four leaves and at the tillering stage. That for F. tenuicornis and II. aculetus is at late head bearing to heading stages.

本文探讨了我县为害水稻的三种主要蓟马——稻蓟马(Thrips oryzae Williams)、禾蓟马[Frankliniella tenuicornis(Uzel)]、稻管蓟马[Haplothrips aculetus(Fabricius)]的世代历期、寄主范围、繁殖和为害习性、发生规律及防治技术等。 稻蓟马主要在水稻秧田期及分蘖期发生为害,嗜食嫩绿稻苗。稻株受害后矮矬发黄,返青分蘖推迟,有效分蘖减少。禾蓟马、稻管蓟马偏嗜穗花,主要在水稻穗期为害,食害稻花,使颖壳变为褐色并成为空壳,双季晚稻空壳率一般达10—20%,最高达41%,直接引起产量损失。 从我县水稻蓟马发生为害的情况来看,初步认为,对水稻蓟马发生为害比较适宜的相对湿度范围在77—89%之间。在日平均温度为20—27.8℃的范围内,较高的温度对水稻蓟马的发生为害比较有利。降雨日多或降雨量大则抑制其为害。 我县推广双季稻和种植单季晚稻后,栽培制度复杂,插花混栽现象严重,是造成水稻蓟马近几年来加剧为害的主要原因。因此,在大力发展生产、推行改制的同时,还应注意全面规划,合理布局,改变插花混栽现象,使同一季稻、同一品种尽可能集中成片栽插,防止水稻蓟马在各类...

本文探讨了我县为害水稻的三种主要蓟马——稻蓟马(Thrips oryzae Williams)、禾蓟马[Frankliniella tenuicornis(Uzel)]、稻管蓟马[Haplothrips aculetus(Fabricius)]的世代历期、寄主范围、繁殖和为害习性、发生规律及防治技术等。 稻蓟马主要在水稻秧田期及分蘖期发生为害,嗜食嫩绿稻苗。稻株受害后矮矬发黄,返青分蘖推迟,有效分蘖减少。禾蓟马、稻管蓟马偏嗜穗花,主要在水稻穗期为害,食害稻花,使颖壳变为褐色并成为空壳,双季晚稻空壳率一般达10—20%,最高达41%,直接引起产量损失。 从我县水稻蓟马发生为害的情况来看,初步认为,对水稻蓟马发生为害比较适宜的相对湿度范围在77—89%之间。在日平均温度为20—27.8℃的范围内,较高的温度对水稻蓟马的发生为害比较有利。降雨日多或降雨量大则抑制其为害。 我县推广双季稻和种植单季晚稻后,栽培制度复杂,插花混栽现象严重,是造成水稻蓟马近几年来加剧为害的主要原因。因此,在大力发展生产、推行改制的同时,还应注意全面规划,合理布局,改变插花混栽现象,使同一季稻、同一品种尽可能集中成片栽插,防止水稻蓟马在各类稻田中不断转移繁殖,可以有效地减轻其为害。 药剂防冶试验表明,对稻蓟马的防治适期应掌握在秧田三至四叶期及水稻分蘖初期。对禾蓟马、稻管

 
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