種子含水量 的英文怎麼說
中文拼音 [zhǒngzihánshuǐliáng]
種子含水量
英文
moisture content of seeds- 種 : 種名詞(姓氏) a surname
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 含 : 動詞1 (東西放在嘴裏 不咽下也不吐出) keep in the mouth 2 (藏在裏面; 包含) contain 3 (帶有某種...
- 水 : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
- 量 : 量動1. (度量) measure 2. (估量) estimate; size up
- 種子 : seed; semen; germ; grain; stock; spermo ; spermato ; gono 種子測定 seed testing; 種子處理 seed tr...
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They are jinfo mountain in nanchuan county ( natural protection section ), wuling mountain in qianjiang county ( national emphases forest demonstration county which forest cover rate is beyond 50 % ) and zhongliang mountain in beibei county ( artificial destruction is very grave ). some main land use patterns i. e. woodland, garden, infield, abandon infield, shrub and grassplot are selected in those three sample sites. four aspects on soil fertility index of karst environment under different land use patterns in these three sample sites, are revealed in this paper, by using the field test, indoor measure and analysis, outdoor experiment and field investigation, and the knowledge and technique of soil, ecology, physics and chemistry etc. they are physical characteristic ( effective soil thickness, organic layer thickness, soil texture, water - stable aggregate and soil water etc. ), chemical fertility ( organism, omni - n, omni - p, omni - k, alkali - nitrogen, available p, available k and rapid available k etc. ), soil animalcule ( bacteria, fungi, actinomyces and their grosses ) and soil - seed - pool ( plant community diversity index ) in karst ecosystem
本研究以重慶市的南川金佛山(自然保護區) 、黔江武陵山(國家重點退耕還林示範縣,森林覆蓋率50以上)和北碚中梁山(遭人為破壞嚴重)典型巖溶區為對象,選擇了幾種重要的利用方式,包括林地、果園、耕地、棄耕地和灌草坡,採用野外巖溶生態調查和室內試驗測量分析相結合的方法,以不同土地利用方式巖溶土壤肥力為重點,對不同土地利用方式土壤肥力特徵進行量化分析,找出巖溶土壤肥力差異的主要方面及其根本原因,論文主要從土壤剖面物理退化指標(有效土層厚度、有機質層厚度、質地、團聚體、水分含量等) ,化學肥力退化指標(有機質、全n 、全p 、全k 、堿解n 、速效p和速效k等) ,樣地土壤微生物指標(細菌、真菌、放線菌數量及總量)以及樣地土壤種子庫植物群落多樣性等4個方面對重慶典型巖溶區的土壤肥力特徵進行了較為詳細的分析研究,為巖溶地區士壤資源的合理利用及結構的調控管理提供依據。The results showed that the mean proportion of polymorphic loci ( ppb ) of anabasis aphylla, which comprised 3 subpopulations ( 58 individuals sampled ), generated by 16 primers was 94. 56 %, the value of ppb of ceratocarpus arenarius, which had 4 subpopulations ( 80 individuals sampled ), using 16 primers was 98. 00 %. the paper had proved that the higher genetic diversity and the genetic differentiation existed in the populations of boih anabasis aphylla and ceratocarpus arenarius, while the latter had much more genetic diversity than the former. moreover, the study discussed the shannon information index and nei ' s gene diversity index of the two species natural populations, which indicated that there were more genetic variations within the subpopu
另外,通過rapd資料的聚類分析及相關性分析研究,發現無葉假木賊和角果藜自然種群的遺傳結構與綠洲沙漠過渡帶的微生境生態因子(主要是土壤因子)相關,其中無葉假木賊亞種群遺傳多樣性水平不僅與土壤含水量( w ) 、鉀鈉離子濃度( k + na )和氯離子濃度( cl )呈顯著的正相關( p 0 . 05 ) ,還與土壤中有機質( som ) 、全氮( nt )和全磷( pt )含量呈顯著的負相關;同時,角果藜種群的遺傳多樣性水平與土壤中有機質( som )和全氮( nt )含量呈顯著的正相關,而與co _ 3 ~ ( 2 - )濃度呈顯著的負相關;除此之外,其它土壤生態因子與兩物種遺傳多樣性水平的相關性均不顯著(卜0 . 05 ) 。The results showed that the cucumber seeds soaked with extracts of total alkaloid, dissoluble alkaloid and fat - soluble alkaloid from p. multisectum ( maxim. ) bobr., the activities of amylase, protease and lipase during seed germination were inhibited, the seed vigor and germination rate were suppressed, and respiration rate of seedling was slackened ; root activity, chlorophyll content and activities of nitrate reductase, superoxide dismutase sod ) and peroxidase ( pod ) of cucumber seedlings during seedlings growth were increased
結果表明,多裂駱駝蓬總生物堿提取液、水溶性生物堿提取液和脂溶性生物堿提取液浸種均抑制黃瓜種子萌發過程中澱粉酶、蛋白酶和脂肪酶活性,種子活力和萌發速率降低,呼吸速率減慢;幼苗生長過程中根系活力、硝酸還原酶活性升高,葉綠素含量增加,超氧化物歧化酶( sod )和過氧化物酶( pod )活性提高。It is analyzed that the impacts of vegetation type on shear strength of unsaturated soil through direct shearing tests for unsaturated soil of different depth and various vegetation types which consist of hare soil, tanglehead grassplot, switch sorrel shrubbery and eucalyptus holt under natural moisture contents
摘要通過對裸地、扭黃茅草地、車桑子灌木林地和按樹林地四種不同植被類型、不同深度土壤在天然含水量情況下的直剪試驗,研究了植被類型對非飽和土抗剪強度的影響。The water contents of 5 seed batches of schima superba seeds from 4 various provenances were determined, s. superba seed water content determination may be conducted with infra - red ray high temperature oven drying method instead of the low homeothermal oven drying method under the national standard, which was obtained through statistics and analyses
摘要對來自4個不同產地的5個種批的木荷種子含水量進行測定,經統計分析認為木荷種子水分測定可用紅外線高溫烘乾法代替國家標準中的低恆溫烘乾法。All of the genetic factors, maternal environment, storage conditions, collecting methods and the degree of maturity, moisture content, size, shape and colour of seeds can affect hardseed percentage
遺傳因素、母株環境、貯藏條件、採收方法、種子本身的成熟度、含水量、大小、形狀及顏色都能影響種子硬實率。The sub - model for design of population density was developed according to the principle of determining boll number from target yield, fruit node from boll number, fruit branch from fruit node and population density from fruit branch by integrating the effects of sowing date, cutout date, effective temperature accumulation above 12, variety type, and fertilizer and water management levels. sowing rate was then decided by integrating the effects of different soil water and salt contents, ph, temperature and sowing style on seedling emergence rate with relative weight method
基於「以產定鈴、以鈴定節、以節定枝、以枝定苗」的原理,同時考慮播種日期、打頂日期、 12的有效積溫、品種株型特性、肥水管理水平差異等因素來確定適宜的種植密度;在此基礎上,應用相對權重法計算土壤含水量、含鹽量以及整地質量和播種方式等多個生態環境因子對出苗率的綜合影響,進而確定播種量。With the acceleration of extinction of species, biodiversity conservation is extensively concerned. the extinction of species is concerned with the degree of threat by biotic and abiotic factors. so, taking action to preserve plant species is very necessary and paramount before their extinction. one of the most effective biological techniques to conserve the biodiversity is the establishment of genebanks, i. e. ex situ conservation. the elucidation of various factors that regulate seed viability and vigor in storage is essential. an ideal condition to prolong the longevity is mainly depended on seed water content, temperature, humidity and types of containers used during storage. the optimum stage of seed maturity, harvesting techniques and processing, in addition to physiological features such as degree of dormancy, also play key roles in seed storage. certainly, desiccated seeds deteriorate with time even under extremely good genebanking conditions. according to seed storage behavior, it is necessary to consider three principal factors : storage environment, storage duration and plant species which will affect seed survival under good genebanking conditions. the present review is an attempt to discuss the importance of the aforementioned aspects of seeds in detail in order to conserve plant germplasms ( especially wild rare and endangered plants ) for ex situ conservation through seed - gene bank
一個物種的滅絕是與其受生物因子和非生物因子的威脅程度相關的.隨著物種的加速絕滅,保護生物多樣性受到廣泛地關注.保護生物多樣性的最有效的生物技術之一是建立種子基因庫,進行遷地保護.種子庫理想的貯藏條件主要取決于種子含水量、貯藏環境(如溫度和濕度)和貯存種子的容器.進行種子貯藏,了解種子生命力和活力的影響因子的作用機理是十分重要和必要的.除了種子自身的生理特徵外,種子的貯藏壽命與種子成熟度、收獲技術、加工處理方法也是息息相關的.即使在最適的庫存條件下,種子也會隨時間發生劣變.因此,必須根據種子特定的貯藏行為,加以考慮影響種子存活的3個主要方面(貯藏環境、貯藏期和植物種類)而選擇有效的貯藏方案.本文試圖討論種子貯藏生理的幾個重要方面及其需解決的技術問題,以便更好地通過種子基因庫,長期有效地保存植物種質資源In addition, the model of interaction of water and temperature between field water vaporization and soil water storage, temperature and millet weight is gotten by field trial. 2. the ammonia volatilizing of fertilizer is suit to the dynamic equation as y = a + bt, the coefficients in the equation are related to the kind of fertilizer, temperature and water content of soil, and the dynamic equation about ammonia volatilization including water and temperature and the is developed
肥料氨累積揮發量符合零級反應動力學方程y = a + bt ,方程中系數與肥料種類、溫度和土壤含水量有關,碳銨a 、 b值均比硫酸銨高,土壤含水量增大, a 、 b值降低,溫度升高, a 、 b值增大,並由此得到含溫度或土壤濕度因子的肥料氨揮發動力學方程,並建立了含水、熱因子的肥料氨揮發水熱耦合效應動力學方程。The methods of seed harvesting, transportation, processing, desiccation, determination of moisture and viability all affect the accuracy of experimental results
種子採集、運輸、加工、脫水、含水量測定、生活力測定的方法都會影響實驗結果的準確性。The accumulating process of the very two main active phytochemical diterpenoids, andrographolid and m - dcoxy - 11, 12 - didehydroandro - grapholide, had been studied and analyxed, and the results conclude that the best harvest time is the florescence, or earlier florescence of ap
(三)種子實驗從種子凈度、種子千粒重、種子含水量、發芽率、發芽勢、紅四氮唑法測定種子活力等六個方面考察種子的優良度。Storing ultra - dried ceratoides arbrescens seed ( mc 4. 2 % 4. 5 % ) in an outdoor temperature or in a low indoor temperature achieves basically the same result - life of the seed is prolonged
摘要華北駝絨藜種子在超乾燥(含水量4 . 2 % 4 . 5 % )室外溫度條件下貯藏,與低溫貯藏效果基本相同,能顯著延長種子壽命。Russula subnigricans hongo was studied with light microscopy and scanning electron microscopy techniques. the result showed that russula subnigricans hongo is a kind of ecotomycorrhizal fungi, russula subnigricans hongo emerged and developed in the relatively steady ecological environment where average temperature, humidity and soil water content were 24 ~ 32, 50 ~ 80 % and 30 % respectively. among the three environmental factors, soil water content was the leadig factor
通過野外生態調查和利用掃描電鏡對亞稀褶黑菇進行了生態學和組織學研究。亞稀褶黑菇是一種外生菌根菌,在相對穩定的生態環境條件下,平均溫度24 32 ,相對濕度50 80 ,降雨量(土壤含水量) 30以上,均有亞稀褶黑菇發生,濕度是主導因子。The ability of maintaining maximum turgor and turgor is p. ussuriensis > m. baccata > a. ginnala > p. davidiana. the ability of maintaining turgor arose by elastic cell wall is a. ginnala > p. davidiana > p. ussuriensis > m. baccata. ( 3 ) with the decrease of soil moisture content, net photosynthetic rate of these four species and transpiration rate have the tendency of decreasing
茶條槭、山桃由細胞壁彈性所反映的保持膨壓能力強,山梨、山荊子由細胞壁彈性所反映的保持膨壓能力弱; ( 3 )隨土壤含水量的降低,四樹種凈光合速率、蒸騰速率均呈降低趨勢。Ginnala is the least tolerant to drought stress. p. davidiana ' s water use efficiency has increasing trend, but the other three species have decreasing trends. ( 4 ) the a. ginnala ' s leaves are sensitive to drought, but the others are not
四樹種中只有山桃水分利用效率隨土壤含水量的降低呈增長趨勢; ( 4 )茶條槭葉片對水分變化敏感,在乾旱脅迫下,葉片發生明顯增厚現象,單株葉面積顯著減少,其它三個樹種的葉片不易被水分因子所影響。In order to overcome the disadvantage of 2bps - 2 plastic film mulch seeder with watering apparatus that the operation speed is limited and the moisture evaporation loss is great, according to the theoretic analysis of water movement in soil, this paper offers another watering project - hidden watering under film, designs three different types of watering devices, meanwhile conducts test research with different watering devices in different position the change of the soil moisture content
本課題針對2bps - 2型坐水鋪膜播種機坐水后,土壤水分蒸發損失大和機組作業速度低的突出問題,通過對水在土壤中運動的理論分析,提出了在行間膜下的暗道式施水方案,圍繞此方案設計了三種坐水部件,並就不同坐水部件在不同施水位置施水后,種子帶土壤含水量的變化進行了試驗研究。On the basis of all these, the paper researches that the soil moisture content reduces slowly after 7 days , so establishes a main criterion of evaluating watering feature - the increment of average soil water content in 7 15 days. according to these theories, we draw an conclusion - water is injected at the position away from seed zone 3. 5 ( cm ), 6 ( cm ) deep with vertical flat nozzle, the effect of watering is better at the operation speed of 0. 9m / s
得出7天後土壤含水量呈緩慢變化的趨勢,進而提出了以7 15天平均土壤含水量與初始含水量的差值作為評價坐水性能的指標,以此為依據得出在機組作業速度由0 . 5m / s增加到0 . 9m / s的情況下,採用豎扁(不帶翅)施水管將所需的水施到種子帶橫斷面內3 . 5cm ,深6cm的位置,坐水效果較為理想。Using tps - 1 cellular photosynthesis system, we measured net photosynthetic rates ? transpiration rale and correlation physiological and physiological and ecological environment factors of three kind typical lawn in changchun during the period from may to october in 2001. we got such environmental factors of outside as soil moisture amount and so on at the same time
在2001年5 - 10月期間,用英國的tps - 1型便攜式光合儀對長春市典型的三種草坪植物凈光合速率、蒸騰速率及相關生理生態因子進行測定,同期實驗得出土壤含水量等外界環境因子的量值。The water content of media had great influence on germination and the seeds could get the best germination when the relative water content was 70 %
基質含水量的差異對種子發芽影響較大,相對含水量為70 %時,種子發芽效果最佳。Thirdly, this paper compared the different responses of plants to these two stresses, the change of the defensive enzyme activity and the rate of losing water of leaves was different at two different stresses. the rate of losing water of leaves at drought stress was more rapid than that at salt stress, the leaves would wither and the change of activity of enzymes notably at drought stress, these results showed that the damage to plants was result from the oxidation at drought stress. at salt stress, the content of relative water of leaves changed slightly as well as did the activity of enzymes, these results showed that the damage to plants was caused by poison of ion and lack of nutrition
三、通過研究兩種冰草植物對兩種脅迫的反應指出乾旱脅迫和鹽脅迫通過不同的途徑對植物進行傷害,主要表現在葉片的失水速率和保護酶活性的變化,乾旱脅迫短時間內葉片失水速率很快,葉片萎蔫,引起保護酶活性顯著變化,表明乾旱脅迫主要是通過氧化脅迫對植株造成傷害,而鹽脅迫下葉片相對含水量幾乎保持不變,表明鹽脅迫對植物的傷害主要通過離子毒害和營養虧缺造成。分享友人