草食性的 的英文怎麼說
中文拼音 [cǎoshíxìngde]
草食性的
英文
phytophagous-
1. analyzed the especial digestant physiology characteristics of grass - eating animal, ruminants are able to disgest crude fiber by rumen microorganism, save protein feed by using npn, meanwhile, cecum can disgest crude fiber
1 、分析了草食家畜的特殊消化生理特性。草食家畜可以利用瘤胃微生物消化粗纖維,利用npn節約蛋白質飼料;同時盲腸也可以消化部分粗纖維。Both oxyopes sertatus and harpactor fuscipes are important predators of common cutworm ( spodoptera litura ) on tobacco. the effect of several interference factors on the predations of o. sertatus and h. fuscipes on the larvae of s. litura were examined in laboratory. the results indicated that there were significant mutual interferences on their predations with the existence of other individual in the same / different species. as the number of the predator increased, the predation rates decreased significantly. the interference coefficients ( m ) within h. fuscipes and within o. sertatus were 0. 7278 and 0. 6911, respectively, while the interference coefficient ( m ) between o. sertatus and h. fuscipes was 0. 9464. these results showed that the effect of mutual interference on predation in interspecies was more obvious than that in intraspecies. the number of prey captured and the predation rate of predator dropped with increasing the number of tobacco stalks. this result suggested that spatial heterogeneity was also an important factor affecting the predation of predator on prey
斜紋貓蛛和紅彩真獵蝽均是煙草上斜紋夜蛾的重要捕食性天敵.室內測定幾種干擾因素對斜紋貓蛛和紅彩真獵蝽捕食作用的影響,結果表明這些干擾因素對斜紋貓蛛種內、紅彩真獵蝽種內和兩種捕食者種間的捕食作用均有明顯的干擾作用,隨捕食者數量的增加,其對斜紋夜蛾捕食作用率顯著降低.斜紋貓蛛種內的干擾系數和紅彩真獵蝽種內的干擾系數分別為0 . 7278和0 . 6911 ,而兩者種間的干擾系數為0 . 9464 ,說明兩者種間的干擾作用要明顯高於同一種捕食者種內的干擾作用.兩種捕食性天敵對斜紋夜蛾的捕食量和捕食作用率隨煙草莖桿數的增加而降低,表明空間異質性同樣是影響兩種捕食性天敵捕食作用的一個重要因素The thesis is based on income question, forest coverage rate and grop production. to beging with, date envelopment analysis is proved that it can be applicated into grain for green in shan - bei district, and then in view of the fact, seven esential factors which have influence on the project are found out : expense of dam, expense of crop, expense of cash tree, expense of defense tree, other economic crop, expense of grass and graziery ; and the output factors include : income of gdp, pure income per captia, the area of decreasing land loss, graziery income, crop production, income of tree, the totle income of economic crop. after the date of each facts are puted into dea model, unefficiencial decision making units ( dmu ) found. the data that are got through adjusting unefficiencial dmus dy dea can offer guide in shanbei district upgrading of an industrial structure. at the same time, taking into account some possible problems in or after grain for green in shan - bei district, the thesis bring out some propesal to improve the circ umstance, enhance the life level and put the relation of population, resource and circumstance into a healthy orbit
因此,加快退耕還林還草,調整土地利用結構和產業結構,已成為實現山川秀美工程和可持續發展戰略的必經之路。論文以解決陜北地區的收入問題,植被問題以及糧食產量問題為出發點,首先從理論上分析了包絡分析方法在陜北地區退耕還林(草)中運用的可行性,然後結合陜北地區目前的實際情況,綜合分析出影響陜北地區退耕還林(草)的關鍵的七個因素作為輸入指標:水利水保設施投入,農作物投入,經濟林種支出,防護林支出,其它經濟作物,草類支出,畜牧業投入;以退耕還林所要解決的最終問題作為輸出指標: gdp收入、農民人均純收入、水土流失減少量、牧業總產值、糧食產量、林業總產值、其他經濟作物總產值。將各指標所對應的數據代入模型后,通過分析求解得出非有效的決策單元,再運用包絡分析方法的一些基本原理對非有效的決策單元進行調整,由此所得的數據對陜北地區的實際投入具有很好的指導意義。Itaconic acid, also named “ methylene succinic acid ”, is important industrial raw material during the production of acrylic fiber, latex, synthetic resin, plastic, rubber, pharmaceutics surfactant, packing material of non - toxic food, herbicide, cleaning media, adhesive and plastic additive etc
衣康酸,又名「甲叉丁二酸」 ,是生產腈綸等纖維、膠乳,合成樹脂、塑料、橡膠、醫藥、表面活性劑、無毒食品包裝材料、除草劑、除垢劑、粘著劑及塑料助劑等的工業原料。The excellent features and multifunctional traits of jerusalem artichoke are not only essential qualification for the development of herbivores, but also important to water and soil conservation and environmental protection
菊芋的許多優良特性和多功能特點,不但是發展草食畜禽的必要條件,而且對水土保持、環境保護有重要作用。At present, the mainly studying of foraging behavioural ecology is about ladybird and lacewing, and less about aphidophagous hoverfly
目前,對捕食性昆蟲捕食行為生態學的研究主要集中在瓢蟲和草蛉,而有關捕食性食蚜蠅捕食行為生態學的報道幾乎沒有。The great bustard is polyphagia bird, but it feeds mainly on plants. the feeding field habitat selection relate with that whether the grassland burn or not last year. the important factors that determine the feeding field selection are the plant species, vegetative cover score. density hemerrocallis minor and the density of pedacularis sp. on burning grasslandsjthe density of vegetation. insects quanlity. plant species richness and the height of plant are the main factors that determine the feeding field selection on unburning grasslands
大鴇是雜食性鳥類,但以植物性食物為主。對于取食地的選擇往往跟草原上一年是否被火燒過有關。在火燒地,植物種類數、植被蓋度、小黃花菜密度和蒿密度是取食地選擇的重要因素;在非火燒地,植被密度、昆蟲數量、植物物種豐富度及植物高度在大鴇取食地選擇中發揮重要作用。Combinations of allergens can result in additive effects, for instance. . a dog which reacts to a food allergy along with a dust mite allergy and maybe a ragweed allergy will show more severe symptoms than a dog allergic to only one
變態反應原的組合可能導致疊加性作用,例如. . .起反應對食物過敏與塵土小蜘蛛過敏和可能豬草過敏一起的狗將顯示更加嚴厲的癥狀比狗過敏到只一個。On the vast savanna and grassland in the africa, predators adore solitary life, rater, most of the herbivores prefer living in groups
在非洲的茫茫荒原上,許多肉食性動物喜歡獨來獨往;而草食性動物較偏好群居生活。Smoking tobacco is responsible for many debilitating diseases such as chronic bronchitis and vascular diseases
吸食煙草會造成許多身體衰弱的疾病,例如慢性支氣管炎及慢性血管疾病。Herbage benefiting to the eco - economy, grain production me eting the food demand, and the afforestation having the ecological function dete rmine their roles and development orientation in the hilly agricultural eco - n omy
牧草業開發的生態經濟性、糧食生產的戰略性和林業建設的生態性,決定了這些行業在山區農業經濟中的地位和發展方向。Antifeeding activity of the crude extracts from ephedra sinica to plutella xylostella l
草麻黃提取物對小菜蛾幼蟲的拒食活性研究Community structure and its dynamics of predatory arthropod in jujube orchards intercropped with different herbage species
間種牧草棗林捕食性節肢動物群落結構的動態The research result is following : the annual species richness index of studied forest plant community averaged 64. 688, the species diversity index was 2. 982. the proportion of every functional group of forest plant community is : herbaceous layer ( average is 68. 89 % ) > tall tree layer ( average is 15. 266 % ) > shrub layer. ( average is 15. 845 % ) the proportion of every functional group in forest insect communities is remarkably different, and the order of the proportion is herbivorous insect group ( average 0. 729 ) > predatory natural enemy insect group ( average 0. 136 ) > parasitical insect group ( average 0. 135 ). with seasonal change, the proportion of herbivorous and predatory insect group decreased obviously, while that of parasitical insect group increased on average by 147 %
研究結果如下:森林植物群落種的全年物種豐富度指數平均為64 . 688種,多樣性指數為2 . 982森林植物群落內各功能類群物種所佔比重依次為:草本層(平均為68 . 89 ) >喬木層(平均為15 . 266 )灌木層(平均為15 . 845 ) 。森林昆蟲群落中,全年各功能類群所佔比重以植食性昆蟲類群為最大,平均佔0 . 729 ;捕食性昆蟲類群次之,平均佔0 . 136 ;寄生性天敵類群為最小,平均為0 . 135 。The grazing of david ' s deer to p. virdis ( l. ) beauv. varied between different seasons, greatly producing differences of the proportion and biomass of plant communities accordingly
麋鹿對狼尾草的取食具有季節選擇性的特點,這很大程度上影響了目前棲息地的植物群落組成結構及各種植物的生物量比例隨季節的變化。Inhabiting in the forest, meadows and bushes by the waters, the nocturnal herbivores dine out on juicy leaves and aquatic plants
它是性情溫和的夜行草食動物,愛吃多汁的草類和沼地的植物,棲息在近水的森林及草地、灌叢中。A majority of truth prove that developing grass - eating animal industry have profound significance and it is the orginal measure to solve the competition of foodstuff between human and livestocks
從草食家畜食草性的角度廣泛論證,證明發展草食家畜是解決人畜爭糧的根本途徑,意義重大。The new data suggest that the glutamate receptors and other similar neuro - transmitter receptors may actually evolve from ancestral methods of simple communication, common to plants and animals alike. selective environmental pressure may have led to a higher production of these neurotoxins for defense against predators more recently in evolutionary time. neurotoxins isolated from plants may be originally signalling molecules regulating these plant receptors
林教授指出以往生物學家相信植物製造神經毒素純是為了防禦草食類動物的侵襲,但這項植物?氨酸感受器的研究卻指向另一可能性,即神經毒素最初可能是植物用來作訊息傳遞的分子,通過?氨酸感受器和其他類似的感受器來調控植物本身的生命功能。This text is in the illumination to its rubia cordifolia l. pigment, temperature, dissolving, acid sealing, the characteristics in many aspects, such as food additive, etc. have carried on systemic research
摘要對其茜草果實色素在光照、溫度、溶解性、酸堿性、食品添加劑等方面的特性進行了系統性的研究。This episode is set 220 million years ago, when a variety of creatures battle to survive the dry season in the river valley : bulky placerias graze the prairies and primitive burrowing mammals raise their young, as the agile and aggressive coelophysis learn to hunt in flocks and drive out the giant predator, postosuchus
在二億二千萬年前,一群生物在一河谷的旱季中掙扎求存。布拉塞在大草原吃草,原始的哺乳類動物在地洞內孕育它們的子女,具侵略性的虛形學會了如何聯群覓食,以及怎樣去驅趕巨型的捕獵者波斯特鱷。分享友人