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food     
相关语句
  食品
    IMPROVE BIOLOGICAL REACTIVE EQUIPMENT TO ADAPT THE DEVELOPMENT OF FOOD INDUSTRY
    提高我国生物反应设备水平适应食品工业的发展
短句来源
    Environment and Food Biosafety Assessment of Transgenic Plants
    转基因植物的环境及食品安全性
短句来源
    Objective To improve the sensitivity of biosensor by using gold nanoparticle-olgonucleotide DNA,so as to provide the basis for establishing a convenient,rapid and accurate method for detecting Listeria monocytogenes in food.
    目的利用纳米金标记DNA以提高传感器的检测灵敏度,为建立方便、快速、准确地检测食品中李斯特菌的方法提供依据。
短句来源
    Application of biotechnology in the fields of food industries
    生物技术在食品领域中的应用
短句来源
    The Simulation System of Food Microorganism
    食品微生物仿真系统
短句来源
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  食物
    FOOD ANALYSIS OF THE TREE-SPARROW(Passer montanus saturatus)
    麻雀(Passer montanus saturatus)食物分析的初步报告
短句来源
    UTILIZATION OF THE FOOD RESOURCES BY PLATEAU PIKA
    高原鼠兔食物资源利用的研究
短句来源
    The Digestion of Certain Food Proteins by Papain
    木瓜蛋白酶对某些食物蛋白的消化作用
短句来源
    Systematic Analysis on Food Development Strategy in Beijing
    北京市食物发展战略的系统分析
短句来源
    A PRELIMINARY ANALYSIS ON RELATIONSHIP BETWEEN POPULATION DYNAMICS OF HAINAN ELD'S DEER AND FOOD RESOURCES IN ENCLOSURE
    海南坡鹿围栏种群动态与食物资源关系的初步分析
短句来源
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  饵料
    Artemia sinica is an important live food,which is a hotspot and an important biological model in current marine biological study.
    中国卤虫(Artemia sinica)是重要的饵料生物,是当前海洋生物学研究的热点生物和重要的生物模型。
短句来源
    The development rate of CV was higher at 18 ℃ than at 9 ℃ , and washigher at higher food concentr ations than that at lower food concentrations at 9℃ .
    18 ℃时的发育速率明显高于 9 ℃,而在 9 ℃有充足饵料供应的 CV 的发育速率又显著高于受饵料限制的个体。
短句来源
    It has been found that the major factors affecting the feeding migration are temperature, light and food distribution, and the feeding was conducted generally at a temperature in the range of 0.5-28℃ and intensively at a temperature in the range of 2-26℃.
    研究表明:影响摄食洄游的主要因素为温度、光线和饵料的分布,摄食的水温范围是0.5—28℃,旺盛摄食温度为2—26℃。
短句来源
    The experiments were conducted of the population dynamic of Brachionus calyciflorus under 20 treatments of 5 temperature gradients and 4 food density gradients.
    本文研究了在5个温度梯度和4个饵料密度的20个试验组合下,萼化臂尾轮虫(Brachionuscalyciflorus)的种群增长规律。
短句来源
    the optimum food density was 45-65×106 cells/ml;
    最适饵料密度是45-65×106个/ml。
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  食料
    STUDIES ON THE FOOD OF COILIA MYSTUS (L.)
    厦门鲚鱼的食料研究——1.六丝鲚(Coilia mystus)的食料分析
短句来源
    Studies on the food of Coilia grayii Richardson
    厦门鲚鱼的食料研究——2.七丝鲚(Coilia grayii)的食料分析
短句来源
    (3) the accumulation of photoperiodic information affected by temperature, altitude and food.
    (3)光周期信息的积累受温度、地理纬度和食料的影响;
短句来源
    Influences of Food on Insect Diapause and Post-diapause Development
    食料因子对昆虫滞育及滞育后发育的影响
短句来源
    Effects on the population dynamics of Brachionus rubens ( Rotifera) caused by mercury and cadmium administered through medium and algal food Chlorella vulgaris
    在培养基和食料中添加铅和镉对轮虫种群动态的影响(英文)
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      food
    Nanotechnology is thus expected to thoroughly affect the way science addresses medicine, food, electronics and the environment.
          
    Almost periodic solution of a nonautonomous diffusive food chain system of three species
          
    In this paper, the most periodic nonautonomous diffusive food chain system of three-species is discussed.
          
    Persistence and stability in a ratio-dependent food-chain system with time delays
          
    A delayed three-species ratio-dependent predator-prey food-chain model without dominating instantaneous negative feedback is investigated.
          
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    1. The albino mice were used for this study. The Golgi apparatus in the cells of the epididymis and the vas deferens of normal, starved, and refed animals were studied.2. The amount of the Golgi elements can be maintained by feeding, not only by the sex hormone.3. The Golgi apparatus may be regarded as a product of food assimilation, not a definite cell organ.4. It is suggested that the Golgi apparatus has similar organ with that of mitochondria and secretion granules, but with different quantity of lipoids....

    1. The albino mice were used for this study. The Golgi apparatus in the cells of the epididymis and the vas deferens of normal, starved, and refed animals were studied.2. The amount of the Golgi elements can be maintained by feeding, not only by the sex hormone.3. The Golgi apparatus may be regarded as a product of food assimilation, not a definite cell organ.4. It is suggested that the Golgi apparatus has similar organ with that of mitochondria and secretion granules, but with different quantity of lipoids.

    (1)本研究以白鼠为材料,就常态白鼠绝食及再餵之白鼠观察其副睾丸及输精管上皮细胞内之高基體。查得在绝食期内副睾上皮细胞之高基體逐渐減少,由网状體变为颗粒,先集于前端後卽散开,至三十六小时高基體绝少,再餵後復有颗粒出现於前端。 (2)输精管上皮细胞内高基體原作线状,列於细胞前部。绝食十三时後,变为颗粒。俟三十六小时後再餵,卽有许多小粒在细胞前端边缘或卽係高基體 (3)由此结果可知高基體之多寡,既视绝食与否而定,或可谓为食物同化之产物,非固定之细胞器官也。 (4)高基體之起源或与粒线體,及分泌粒同,但其所含类脂質之量不同。

    Sham feeding was performed on esophageal fistula dogs with normal mixed food. The change of blood sugar concentration was followed for 3 hours as an indication of insulin secretion. The results were as follows: (1) After 10-15 minutes of sham feeding, the blood sugar showed marked fluctuations in most of the experiments and a slight decrease in some of the experiments as compared with that in the control experiments without sham feeding. (2) After inactivation of the adrenal medulla(removal of right adrenal...

    Sham feeding was performed on esophageal fistula dogs with normal mixed food. The change of blood sugar concentration was followed for 3 hours as an indication of insulin secretion. The results were as follows: (1) After 10-15 minutes of sham feeding, the blood sugar showed marked fluctuations in most of the experiments and a slight decrease in some of the experiments as compared with that in the control experiments without sham feeding. (2) After inactivation of the adrenal medulla(removal of right adrenal and denervation of left adrenal), a marked fall of blood sugar was observed after sham feeding. The lowered blood sugar level maintained for about 2 hours and then returned to normal gradually. (3) The effect in(2) was abolished after injection of hyoscyamine, an atropinelike drug, or by subdiaphragmatic vagotomy. (4) Further observations were made on dogs with denervated pancreas after the inactivation of the adrenal medulla. No fall of blood sugar was also observed after sham feeding. Thus, the fall of blood sugar elicited by sham feeding was produced reflexly through the vago-insulin system. (5) These observations provided a further evidence for the nervous control of insulin secretion and gave rise to a favourable means for studying the significance of the vago-insulin system under natural conditions. We wish to express our gratitude to Comrade for bis valuable advice and to Prof. T. C. Shen for his constant encouragement throughout this work.

    本工作用具有食道瘻的狗,用正常混合食物進行假飼,觀察血糖濃度在三小時內的變動,作為胰島素分泌的指標,結果如下: (一)正常假飼後,血糖濃度與不進行假飼的對照實驗比較,呈顯著的波動,有的血糖水平呈降低現象。 (二)取消腎上腺髓質作用後,再進行假飼,血糖濃度呈顯著的下降,並持續約兩小時左右,以後才逐漸恢復,說明取消腎上腺髓質作用後,假飼可引起顯著的血糖降低。 (三)用取消腎上腺體質作用的狗,再應用阿托平類藥物,或切斷其膈下迷走神經後,進行假飼,則不再有血糖降低,這說明引起血糖下降是通過迷走神經的。 (四)當切斷胰腺的一切外來神經後,再將取消了腎上腺髓質的狗進行假飼,血糖水平也不再下降,說明假飼所引起的血糖下降是由於反射性地通過迷走神經,興奮胰島裝置釋放胰島素對機體作用的結果。 (五)這項結果可作為神經因素影響胰島裝置的一個確切的證據,並對於闡明在自然條件下迷走神經—胰島素系統的重要意義,提供了有利的條件。

    Coilia mystus (L.) is a small fish of economic importance, belonging to the Family Engraulidae. It occurs abundantly along the coast of Amoy and vicinity. The present investigation was undertaken with the chief object of finding out the compostion of food and its seasonal variation. A total of 612 stomachs were examined; of these, only 22 stomachs were found to be empty. The following are the results of the investigation:(1) Coilia mystus feeds chiefly upon planktonic Crustacea, of which Copepoda is, by...

    Coilia mystus (L.) is a small fish of economic importance, belonging to the Family Engraulidae. It occurs abundantly along the coast of Amoy and vicinity. The present investigation was undertaken with the chief object of finding out the compostion of food and its seasonal variation. A total of 612 stomachs were examined; of these, only 22 stomachs were found to be empty. The following are the results of the investigation:(1) Coilia mystus feeds chiefly upon planktonic Crustacea, of which Copepoda is, by far, the most important, constituting no less than 75.9% of total food. Of the 15 species of Copepoda identified, Paracalanus pqrvus, Pseudodiaptomus marinus and Tortanus forcipata are relatively more important than the others. Among other Crustacea, the relative importance of various groups Is of the following order: Decapoda (including Lucifer and Brachyuran larvae) > Mysidae > Euphau-siacea > Amphipoda > Ostracoda > Cumacea > Stomatopoda. Next to Crustacea in the order of importance of food conic Chaetognatha and fish ova, the former being the more important of the two. Judging from the composition of food, Coilia mystus is a plankton-feeder.(2) The composition of food is more or less subject to seasonal variation. The order of numerical importance of various groups* in the four seasons is as follows: SPRING (Mar.-May): Copepoda > fish ova > Decapoda > Amphipoda > Mysidae> Euphausiacea > Cumacea> Stomatopoda, young fish. SUMMER (Junc-Aug.): Copcpoda> fish ova> Decapoda >Mysidae> Amphipoda> Euphausiacea > Cumacea > young fish.AUTUMN (Scpt.-Nov.): Copepoda > Decapoda > Mysidae > Ostracoda > Euphausiacea > Amphipoda > Stomatopoda > young fish.WINTER (Dec.-Feb.): Copepoda > Decapoda > Euphausiacea > Cumacea > fishova > Mysidae > Amphipoda > young fish > Stomatopoda. (3) The composition of food varies with age or length (from the tip of snout to the end of body, exclusive of caudal fin) of fish which appears to he related to the density of gill-rakers. The younger fishes (less than 15 cm. in length) with denser gill-rakers (2.0-2.7 rakers per 1 mm.) feed largely upon smaller crustaceans (Cope-poda); whilst the older fishes (over 15 cm. in length) with sparser gill-rakers (1.4 1.9 rakers per 1 mm.) feed largely upon larger crustaceans (Mysidae, Euphausiacea, Stomatopdda, Decapoda). It shows that increase in the size of fish is associated with increrase in the size of food animals eaten.(4) There exists a fairly close agreement between the composition of food and the composition of plankton in the surrounding waters. During the months of March and November when both fish and plankton were collected at the same time off Hai-Chen near Amoy, Copepoda was found to be the most dominant group in both food and plankton. It shows that the fish fed heavily upon those crustaceans occurring most abundantly in the plankton. In this respect, Coilia mystus exercises no selectivity of food. The writers are of the opinion that abundance and availability rather than selection by the fish determine the species of animal eaten.(5) A comparison of the food of Coilia mystus with that of other Clupeoids in Amoy waters reveals the predominance of Copepoda in the diet of most of these fishes. For the sake of increasing the yield of these economic fishes, it is essential to enhance the production of Copepoda in nature by artificial means such as to fertilize the water with nutrient salts, especially phosphates and nitrates, to increase the production of phytoplankton which will, in turn, lead to the higher production of Copepoda.

    1.六丝鲚的食料差不多完全是浮游动物,以甲壳类为主,其中以桡足类为最重要、十足类(包括莹虾)次之,糠虾类,端足类,磷虾类更次之。除甲壳类以外,它还捕食很多毛头类和鱼卵,所以六丝鲚应属蜉食性的鱼类。 2.六丝鲚的食料成份有季节变化,不过不很显著:春夏两季以桡足类为主,鱼卵次之,十足类(包括短尾类幼虫)更次之。秋季以桡足类为主,十足类(包括莹虾和短尾类幼虫)次之,糠虾更次之。冬季以桡足类为主,十足类次之,磷虾类更次之。总的来看,桡足类在四季食料中都占了绝对优势。六丝的次要食料则随季节而异;春夏两季是鱼卵,秋冬两季都是十足类。值得注意的是:糠虾类和介壳类在秋季食料中的比率增加,磷虾类在冬季食料中占相当重要位置。食料的季节变化是和浮游生物的季节变化分不开的。 3.食料种类大小和体长有关:体长在15厘米以上的捕食较大的甲壳类(如磷虾类,口脚类和十足类等),而体长在15厘米以下的则捕食较小的甲壳类(如桡足类)。这和鳃耙密度有关:前者的鳃耙较稀(1毫米长中有1.4—1.9鳃耙)而后者的鳃耙较密(1毫米中有2.0—2.7鳃耙)。 4.食料和浮游生物存在着一定关系;在浮游生物中占优势的种类也同样地在食料中占优势。桡足类便是一个...

    1.六丝鲚的食料差不多完全是浮游动物,以甲壳类为主,其中以桡足类为最重要、十足类(包括莹虾)次之,糠虾类,端足类,磷虾类更次之。除甲壳类以外,它还捕食很多毛头类和鱼卵,所以六丝鲚应属蜉食性的鱼类。 2.六丝鲚的食料成份有季节变化,不过不很显著:春夏两季以桡足类为主,鱼卵次之,十足类(包括短尾类幼虫)更次之。秋季以桡足类为主,十足类(包括莹虾和短尾类幼虫)次之,糠虾更次之。冬季以桡足类为主,十足类次之,磷虾类更次之。总的来看,桡足类在四季食料中都占了绝对优势。六丝的次要食料则随季节而异;春夏两季是鱼卵,秋冬两季都是十足类。值得注意的是:糠虾类和介壳类在秋季食料中的比率增加,磷虾类在冬季食料中占相当重要位置。食料的季节变化是和浮游生物的季节变化分不开的。 3.食料种类大小和体长有关:体长在15厘米以上的捕食较大的甲壳类(如磷虾类,口脚类和十足类等),而体长在15厘米以下的则捕食较小的甲壳类(如桡足类)。这和鳃耙密度有关:前者的鳃耙较稀(1毫米长中有1.4—1.9鳃耙)而后者的鳃耙较密(1毫米中有2.0—2.7鳃耙)。 4.食料和浮游生物存在着一定关系;在浮游生物中占优势的种类也同样地在食料中占优势。桡足类便是一个很显著例子。其他甲壳类也有相似情况。可是水母则不然,它在浮游生物中很

     
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