stable chemical 中文意思是什麼

stable chemical 解釋
穩定化學品
  • stable : adj 1 穩定的;安定的;固定的。2 意志堅定的,有恆心的。adv bly ness n n 1 廄,馬廄,馬棚;〈罕用語...
  • chemical : adj 化學的,化學作用的;應用化學的,用化學方法獲得的。n 〈常 pl 〉化學製品;藥品。 fine chemicals...
  1. 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。
  2. Chemical and stable carbon isotopic compositions of the ground waters of guiyang city, china : implications for biogeochemical cycle of carbon and contamination

    碳同位素和水化學在示蹤貴陽地下水碳的生物地球化學循環及污染中的應用
  3. The chemical reaction control of cuo - al system has been studied. the results show that the chemical reaction is more stable when cupric oxide and aluminium is put respectively into molten copper

    在此基礎上,實驗研究了cuo ? al體系的化學反應控制,得出了採用cuo和al分別加入法比壓塊加入法會使反應進行的更加平穩。
  4. Stable diluent specific solvent or reagent for chemical reaction

    3化學反應穩定稀釋劑或特殊溶劑、試劑。
  5. The chemical analysis of the soil extracted solution has shown that the soluble salt in the soil is predominated by the divalent ions ca2 + and mg2 + which mean that the soil aggregates have been chemically stable during the field experiment

    同時,對土壤浸劑液的化學成分的分析結果表明,浸提液中二價的鈣、鎂離子占優勢,這使土壤微團聚體處於一種化學穩定的狀態。
  6. Clusters are stable aggregates of a few or thousands of atoms, molecules or ions bound together by chemical or physical force. their special microstructure and peculiar physical and chemical properties cast light on a new way leading to fabricating special materials

    團簇( cluster )是由幾個乃至上千個原子、分子或離子通過物理和化學結合力組成相對穩定的聚集體,團簇的微觀結構特點和奇異的物理化學性質為製造和發展特殊的新材料開辟了一種新途徑。
  7. The low solubility of calcium zincate produced from the chemical reaction of zinc oxide and calcium hydroxide in alkaline solution can improve the cycling life the zinc electrode, and the discharge capacity will tend to be stable. furthermore, the effects of la2o3 additives on the electrochemical performances of zinc electrodes were investigated. the results shows that the addition of la2o3, in zinc electrode can improve the area of reduction peak and the hydrogen evolution potential which means the cathodic hydrogen evolution reaction can be hindered

    氧化鋅與氫氧化鈣在堿性溶液中化學反應生成的難溶於堿的鋅酸鈣可以使鋅電極的循環壽命得到提高,放電容量也趨于平穩,此外還考察了氧化鑭對鋅酸鈣電極電化學性能的影響,結果表明:添加適量氧化鑭能明顯改善鋅電極的電化學性能,使鋅電極的還原峰電位正移,電極反應可逆性得到改善,同時也可抑制鋅電極析氫反應的發生,提高了鋅電極的陽極電流,對陽極反應有一定的活化作用;同時還可以改善鋅電極的放電特性,增加電極的放電容量。
  8. The products can be used in chemical. plastic, food and cement, etc. they have perfect characteristics about chemical stable, waterproof, seal up and good resistance. it s beautiful - looking, hard - using and easy - carrying

    本產品適用於化工、化學、塑料、食品、冶金粉末、礦砂等粉狀、顆粒狀、固體包裝,它具有良好的化學穩定性、防潮性、密封性、耐抗擊性,並具有質地挺括、美觀、經久耐用、易堆垛、便攜運等特點。
  9. The research works have verified that ce : yap is a excellent scintillator. it has good mechanical process properties, stable chemical character and good detecting properties. all these characters make it a promising scintillator in high - energy physics, nuclear physics, nuclear medicine, astronomic physics and nuclear protection

    Ce : yap是一種性能優良的閃爍晶體,它具有良好的機械加工性能、穩定的化學性質和良好的探測性能,在高能物理、核物理、宇宙天文學、核醫學、核防護等方面有著廣泛的應用前景。
  10. Pva polyvinyl alcohol is a kind of water soluble polymer with stable chemical property, good dissolution and strong

    聚乙烯醇是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反
  11. Pva polyvinyl alcohol is a kind of water soluble polymer with stable chemical property, good dissolution and strong a.

    聚乙烯醇pva是一種水溶性高分子聚合物,它具有化學性能穩定溶解性能良好粘著力大等優點,可用作聚合反應? .
  12. Copyright 2004 beijing stable chemical co., ltd

    3耐候性較好。
  13. Copyright 2004 beijing stable chemical co., ltd. all rights reserved

    大桶裝,每桶凈重200kg 。
  14. As a packing material, glass has many advantages that cannot be substituted, such as having plenty of raw material, being produced easily, low price, stable chemical quality, not reacting with its content and so on. so it is widely used in the packing of food, beverage and chemical things. but the producing way of glassware in our country hampers the development of glass industry

    本論文以攝影測量學及直接線性變換演算法( dlt演算法)為理論基礎構建了多維攝像運動分析系統,並根據人體上肢的剛體矢量運動模型提出了一種基於多維攝像運動分析系統的關節轉角求解方法,結合實際給出了一套用於測量人體上肢運動參數的規定動作,以便以後進行這方面的研究。
  15. Foam glass, nontoxic in itself, has stable chemical properties and good heat insulating performance protecting from deteriorating at a wide temperature range from ultra - low temperature to high temperature. at the same time, it can protect from humidity, fire and erosion

    泡沫玻璃不但本身無毒,化學性能穩定,以及能在超低溫到高溫的廣泛溫度范圍內不會變質的良好隔熱性能,而且本身又起到防潮防火防腐的作用。
  16. Beijing stable chemical co., ltd. beijing stable chemical co., ltd

    北京正恆化工有限公司位於北京房山區燕山東流水工業區。
  17. Located in beijing yan shan dongliushui industrial park. the company mainly pro duces and sells organotin pvc plastic heat stabilizer, light stabilizer and their serial products. beijing stable chemical co. owns strong technical force and strict quality management

    正恆公司採用國際先進技術,在有著雄厚的技術力量的基礎上不斷研發高新產品,其中有的產品已申請國家專利,正恆公司已被定為「北京市高新技術企業」 。
  18. Beijing stable chemical co., ltd

    化學組成:
  19. Copyright 2004 beijing stable chemical co., ltd. all rights reserved. this site is designed by

    建議使用ie4 . 0及以上版本瀏覽器800x600解析度觀看本網站
  20. Mineral makeup has a stable chemical structure, without talc or starch. fillers. they have a longer shelf life of three years

    礦石彩妝的化學結構很穩定,不易產生變化,保存期較一般化妝品長得多,基本上保用三年毫無問題。
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