alkali stable 中文意思是什麼

alkali stable 解釋
對堿穩定的
  • alkali : n. (pl. alkali(e)s) 【化學】堿;強堿。
  • 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...
  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. Characters and features : red powders, fine particle, in good dispersancy, good impenetrability to ultraviolet ray, stable in atmosphere and sunlight, good light resistance, good thermal endurance, good alkali resistance, dissolved only in hot strong acid

    性狀特點:為紅色粉末,粉粒細膩,分散性良好,對紫外線有良好的不穿透性,在大氣和日光中較穩定其耐光、耐熱和耐堿性良好,僅溶於熱的強酸中。
  3. Liupanshui beer co. ltd. has retrieved from bankruptcy to rapid development depending on technical innovation and improvement as follows : strengthening the control of saccharifying boiling intensity, the age of fermenting beer, filtration time, bottle washing of remnant alkali, sterilization intensity, and pressure prepare in nitrogen filling etc. ; making full play of employee ' s initiative and installing new equipments ; making control of filtration beginning time and keeping stable beer storage time at 0 ; settling the problem of beer species by high concentration dilution method ; applying low - pressure boiling system to increase boiling intensity, shorten boiling time, and increase beer non - biologic stability ; and making innovation of fermentation techniques to increase beer quality etc

    摘要六盤水啤酒有限責任公司依靠科技創新、走科技進步之路,通過加強對生產過程的糖化煮沸強度、發酵酒齡、開濾時間、洗瓶殘堿、殺菌強度、灌裝氮氣背壓等方面的控制;發揮人的主觀能動性,實施增加硬體設施;控制開濾時間,穩定控制0貯酒時間;利用高濃稀釋解決品種矛盾;採用低壓煮沸系統,提高煮沸強度、縮短煮沸時間,提高啤酒的非生物穩定性;改進發酵工藝,提高產品質量等措施,使企業實現了發展。
  4. Under that condition the strain can produce the most concentration of the bioactive compounds. the physical and chemical properties of the actibacterial compounds have been studied, the results showed the bioactive substance has heat stable, acidity and weakly alkali stable. it can be dissolved in acid water, chloroform solvent, can not be dissolved in ethyl acetate, petroleum ether, alkali water. the result of thinlayer chromatography showed the bioactive compounds can give off blue and green fluorescence in the uv light. the paper chromatography demonstrate the bioactive substance may be a new construct compounds

    研究表明,該活性物質具有較強的熱穩定性, ph 9的條件下能穩定存在,但ph 12的強堿性條件下活性物質的抗菌活性幾近喪失;活性物質易溶於氯仿、酸性水、不溶於乙酸乙酯、石油醚、堿性水;薄層層析顯示活性物質在紫外光下能發藍綠色熒光等特點;由捷克八溶劑系統紙層析鑒定該抗菌活性物質不屬於四大類抗生素,可能為一新的抗菌活性物質。
  5. The results show that the gel time of the resol prepared in this paper is much longer than that of resol catalyzed with normal alkali such as ammonia and it is more stable when temperature is under 160 ; while temperature exceeds 160, it cures very fast

    結果表明,合成的酚醛樹脂中有大量醚鍵,常溫下它的凝膠時間很長,固化速度慢,溫度大於160后,醚鍵分解產生甲醛,促進固化,凝膠時間迅速減小,固化很快。
  6. The viscosity of hpmc solution can be influenced by acid or alkali hardly and the ph value of it can be stable in the range of 3. 0 - 11. 0ei

    Hpmc水溶液的粘度幾乎不受酸或堿的影響,而且ph值在3 . 0 11 . 0的范圍內比較穩定。
  7. The paper discusses the way ' s defect and gives a new method for the short circuit ' s measurement. because of the alkali - manganese battery ' s own characteristic, its short circuit is not stable

    由於堿錳電池的固有電化學特性,以及電池生產廠家的工藝與質量問題,使得堿錳電池的短路電流值很不穩定。
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