間生藻 的英文怎麼說
中文拼音 [jiānshēngzǎo]
間生藻
英文
oedogoneum-
That ' s why no reptile degenerates to a bluegreen alga
為什麼中間沒有發生過爬行動物又退化回藍藻的現象?Health standard for diatomite dust in the air of workplace
車間空氣中硅藻土粉塵衛生標準The algae were chiefly distributed in middle intertidal zone and lower intertidal zone
潮間帶海藻的生態分佈區以中、低潮帶為主。It showed that the nostoc. sp of this experiment has nitrogen fixation ; phosphorus can restrain its growth effectively ; its growth needs long time illumination and so on
得出本實驗念珠藻可以固氮;磷能有效制約其生長;需要長時間的光照等結果。The burst size of the cyanophage was ca. 200 pfu ? cell " 1. the rate of adsorption to host was markedly higher under light condition than that under dark condition ( p = 0. 02 ), and light was necessary for infection
此外,固體培養條件下,織線藻的生長速率與噬藻斑的擴大之間有明顯的同步性,即生長速度越大,噬藻斑的擴大就越明顯。The paper fristly compared the fertile soil with the incinerated sterile soil on the number of micro - algae, soil ph value, soil organic matter soil available phosphorus and soil nitrogen. and then, the author put fertile soil, which included micro - algae, proportionally into sterile samples and cultivated them respectively under illumination condition ( micro - algae can live and reproduce ) and dark condition ( micro - algae will die in some time ). the above indices were measured in 0, 30, 60 and 90days respectively, the analyse of the interrelation between the change of micro - algae ' s number and the changes of soil ph value, soil organic matter, soil available phosphorus and soil nitrogen indicated : ( l ) soil micro - algae which were native to fertile soil conld adapt to the changed circumstance and light acted as a decisive role to the distribution of soil micro - algae. under dark condition, the micro - algae ' s number declined gradually and went to zero in the end, while under illumination condition, on the 90th day, the micro - algae ' s number of per gramme was 6 - 7 times more than that of the beginning
本文首先對肥沃土壤與經高溫焚燒后的貧瘠土壤中的微藻數量、土壤ph值、有機質含量、有效磷含量和全氮量進行比較研究,然後將包含微藻的綠化苗圃地肥土按不同比例接種進入貧瘠土樣中,分別在光照條件和黑暗條件下進行培養,在0天、 30天、 60天和90天分別檢測以上指標,比較有光條件和無光條件下,即有藻條件和無藻條件下貧瘠土樣所發生的變化,並分別對微藻數量的變化與土壤ph值、有機質含量、有效磷含量和全氮量的變化之間做相關性分析,以評估肥沃土壤中的微藻接種進入貧瘠土壤后的生長情況以及對貧瘠土壤的改良作用。研究結果表明: ( 1 )土壤微藻對環境有較強的適應能力,且光照對其分佈起了決定性的作用。The pn and don were 32 % and 40 % in autumn, 31 % and 39 % in spring 1998, respectively. pn and pp in autumn shows strong vertical gradation in autumn other than spring, and other nutrient species shows relatively uniformity in vertical scale
由於秋季浮游植物優勢種為硅藻且其生物量和初級生產力均高於春季,春季優勢種則為硅藻和甲藻,結合調查海域葉綠素與化學要素間的相關程度,可推斷秋季正處于浮游植物生長的發展階段,而春季正處于浮游植物生長的衰減階段。Lantai pharmaceutical, as being the first high - tech enterprise at home which can produce medicines of natural carotene and algae products on large - scale, with its management notion of " science and technology is the precursor, being practical and innovating ”, is trying to develop fine traditional chinese medicines and willing to actively expand the cooperative space with friends form all walks of life and jointly be devoted to struggling for the cause op people ' s health
作為國內第一家規模化生產天然胡蘿卜素藥品及藻類產品的高新技術企業,蘭太藥業本著「科技先導、求實創新」的經營理念,不斷研製精品國藥,並願與各界同仁積極拓展合作空間,共同致力於人類健康事業。On the basis of quantitative analysis of 3 microcystin variants : mc - lr, mc - rr and mc - yr by hplc, the relationships between microcystin and biomass, water temperature and nutrients ( i. e. n, p ) were discussed
在調查的基礎上,討論了微囊藻毒素各異構體在全年水華中的變化及其與水華生物量、水溫、氮磷等之間的關系。On the other hand, this paper details the study on effects of environmental pollution on the algae growth besides essential nutrition, especially those of dye wastewater in sunan area on the process of eutrophication, from which we expect to know what the environmental pollution factors overlapping other factors interfere with the competitive relationships of different species and have a certain effects on the succession of water ecosystem species
另外,論文中的實驗也涉及到除對藻類生長所必需營養物外的環境污染因子的影響。尤其是蘇南地區的染料廢水等對富營養化過程的影響,以期了解疊加在其他因素上的環境污染因子對生物種群間的競爭關系的干預,及對水生生態系統種群演替的影響和程度。Grazing of phytoplankton by zooplankton and suspension - feeding benthos is also considered a promising control agent, but this approach has many logistical problems and is a long way from the application stage
另一方面,利用大型海藻與微藻間的相生相剋和營養競爭等作用在養殖區域內進行赤潮的防控被認為具有較強的理論和實踐意義。The total amount of primary production of red alga among the 6 examined stations ranks as following : yangma islet > moon bay > zhifu islet > jingouzhai > jingouzhai gravel > dragon whisker islet
潮間帶紅藻總生產量的排序為:養馬島月亮灣芝罘島金溝寨金溝寨礫石灘龍須島。In the field of the phytoremediation of copper pollution, submerged macrophytes are focused less than the terrestrial plants. in this study, ceratophyllum demersum l. and cahomba caroliniana a. gray were used as the test plant. the following two aspects were investigated in vivo methods : 1 ) the toxicity effects of cu2 + on the three main antioxidant enzymes ( including cat, pod and sod ) of two submerged macrophytes were detected at different low doses and on the chronic exposure, in order to establish the dose - effect relationship and the time - effect relationship, and thereby acquire the toxicity threshold ; and 2 ) with two submerge macrophytes throng cultured individual or combined on the chronic exposure, it was found on the bcf of copper and the influence of interspecific relationships to the submerge macrophytes resistance or bioconcentration
本論文以兩種大型沉水植物金魚藻( c . demersuml . )和水盾草( c . carolinianaa . )為受試植物,從它們對水體中cu ~ ( 2 + )的生物富集作用和動態,以及cu ~ ( 2 + )對它們體內抗氧化酶的急性毒性效應和亞急性毒性效應兩方面進行了研究: 1 )通過體內暴露不同劑量的cu ~ ( 2 + ) ,探討cu ~ ( 2 + )對植物體內三種主要的抗氧化物酶( sod , pod , cat )的毒理效應,建立劑量?效應關系和時間?效應關系,以揭示沉水植物對cu ~ ( 2 + )的抗性機制; 2 )通過對金魚藻,水盾草單獨培養和共同培養的方式,分別研究了兩種沉水植物對cu ~ ( 2 + )的生物富集系數及其動態以及兩種植物的種間關系對富集銅和植物耐性的影響,綜合評價了兩種植物在銅污染水體的植物修復中的應用前景。For the acute exposure duration, there expressed the dose - thresholds and time - thresholds in the effects of cu2 + on the activities of cat, pod and sod in two macrophytes. when the test species were exposed at low dose and for a short period, cu2 + can stimulate activities of antioxidant enzymes. once exceeding the thresholds, cu2 + may inhibit enzymes activities
Cu ~ ( 2 + )低濃度和短時間內對抗氧化酶有誘導作用,超過一定的閾限會產生抑制作用;金魚藻cat 、 pod 、 sod活性在7天內的最大抑制率與暴露cu ~ ( 2 + )濃度呈顯著正相關。2. the results showed that the contents of cach - extractable soil p, and soil test phosphorus ( olsen, bray, mehlich - 3 ) and algae - available p contents ( naoh - extractable soil p ) in the soils correlated significantly with the contents of ortho - p, particulate p and bioavailable p in runoff, respectively, which were feasible to be used as primary indices to evaluate of agriculture p impacting on surface water quality. the results also showed that the relationships between the phosphorus sorption of soil index ( psi ), and the degree of soil saturation with phosphorus ( dpss ) and the contents of ortho - p, particulate p and bioavailable p in runoff reached significant level, respectively
黃壤旱地土壤易解吸磷( cacl _ 2 - p ) 、土壤有效磷( olsen - p 、 bray - p 、 mehlich - 3 - p )或藻類可以利用的土壤磷( naoh - p )與地表徑流中顆粒態磷、生物有效性磷和磷酸根態磷之間均存在顯著的相關性,在一定的程度上可用cacl _ 2 - p 、 olsen - p作為指示黃壤旱地地表徑流中磷潛在流失的預警指標,來判斷旱地存在磷素非點源污染的可能性。There were obvious differences in the temporal distributions of periphytic algae biomass and their spatial distributions
周叢藻類的生物量在時間和空間上都具有較明顯的差別。According to their pathogenic activity, three strain of marine bacteria were selected as l2 ( alteromonas sp ), g ( pseudomonas sp ), py ( pseudomonas sp ). the biochemical changes of malondialdehyde ( mda ), which is the lipid peroxidation end product and can be measured by thiobarbituric acid ( tba ) regeant, and polyphenol content, which reflected the host non - specific chemical defense activity and can be measured by folin - ciocalteu method, were determined at different time intervals during host pathogenesis
本研究採用海帶作為模式藻類生物,以褐藻酸降解菌l2 , g及非褐藻酸降解菌py為復染菌建立人工復染體系,用硫代巴比妥酸( tba )試劑測定抗感染過程中海帶組織細胞膜脂肪氧化產物丙二醛( mda )的變化情況及folin - ciocalteu酚試劑測定病原菌感染過程中海帶組織中多酚含量隨時間變化情況。The research soil samples are from maoxian and from sichuan university especially. the results show that the two kinds of soils differ greatly in soil algae population, microorganism number and soil phosphate activity
研究結果顯示貧瘠土壤與肥沃土壤之間的土壤藻類種群結構(土壤藻類的數量和土壤藻類的優勢種群) 、微生物數量和土壤磷酸酶活性均有很大的差別。I practiced in the citric acid factory of liianyungang zhongda seaweed industrial co., ltd in jul., 2006, and had a profound acknowledgement in processing principle, processing flow, flat design and arrangement of the workshops, and the basic information about the production
2006年7月于連雲港中大海藻有限公司,檸檬酸廠進行實習,對生產原理,工藝流程,工廠平面設計車間布置等均有了較為深刻的認識,熟悉了工廠生產的基本情況These are main problems of eutrophication. at first we select algae which grow under different level of nutrition ( or different development phase in the process of eutrophication ), domesticate, selecte seed, and culture algae at the lab, and then we obtain dependence of each algae on nutrition and understand information of eco - breadth of nutrition of supplied alga through pure culture under different concentration of nutrition. we find out resource utilization, competition between interspecies and confirm the quantity - effec t relationship between succession of species and nutrition through mixed culture
本文首先選取在不同營養環境下(或富營養化過程的不同發展階段)生長的藻類物種,在實驗室內進行馴化、選種與純化培養;然後通過不同營養水平的純藻培養實驗,獲取不同藻種生長過程對營養物質的依賴行為,從而可以了解每一供試藻種的營養物生態幅信息;再通過對應培養濃度的混合培養試驗,以期揭示生物種群間的資源利用與競爭行為,並可進一步確定生物種群的演替與環境營養物之間的量效關系。分享友人