您要查找的是不是:
- Aqueous phase is dominant under veryhigher pCh and low pH values. 溶液相只在很高pCl值和低pH值下占优势。
- The pH of a food also is critical because a low pH favors the growth of yeasts and molds. 食物的ph值也非常重要,因为低ph值有助于酵母和霉菌的生长。
- Amino acids are positively charged (cationic) at low pH and negatively charged (anionic)at high pH. 氨基酸在低ph值下带正电荷(阳离子),在高ph值下带负电荷(阴离子)。
- The methods of CTAB, rapid CTAB, SDS and low pH medium were used for genomic DNA isolation of Carya cathayensis. 分别用SDS法、CTAB法、简易CTAB法及高盐低pH法提取山核桃干叶的基因组DNA并进行了检测比较。
- Species found in the profundal zone are adapted to withstand low oxygen concentration, low temperatures, and low pH. 在深水层发现的种类,能够适应海底低氧、低温及低pH环境。
- Regression analysis found that clay content was more important in the situation of low pH for conservation of soil nutrients. 研究显示,土壤黏粒含量对土壤养分的保持能力在低pH条件下比在高pH条件下显得更为重要。
- High ethanol concentration and low pH inhibited MLF of lactic acid bacteria(the inhibition influenced by the used bacteria species). 高浓度乙醇、低pH抑制乳酸菌的MLF,其抑制作用的大小与使用的菌种有关;
- Furthermore, the AOB of the Red Earth were particularly different from the other two soils, which might be related to the low pH of this soil. 3种土壤中的硝化活性与土壤中的硝化细菌数量没有显著相关,可能由于3种土壤差异显著的土壤环境对硝化活性的影响造成。
- It was suggested that Ca deficiency in plants was caused by the low contents of exchangeable Ca and low pH value in soil. 果园土壤交换态钙含量低及土壤酸性强是引起植株钙素缺乏的主要原因。
- Finally, a low pH diminishes effectiveness of triazine herbicides such as atrazine so weeds become a more serious problem. 第三,过低的pH会使三嗪类的除草剂,如阿特拉津的除草效果降低,从而引起杂草的严重问题。
- DNA bands showed that the modified CTAB and carbamide methods are better than the other four methods including CTAB, carbamide, high salt and low pH, SDS and Chen methods. DNA条带显示改良CTAB法和改良尿素法较好。
- Because the factory is small and its production wastewater is characterized by the high COD, SS, low pH value etc, IC reactor was selected as the anaerobic reactor. 针对该厂规模小,土地资源有限,排放的酒糟废水COD、SS浓度高,pH值低等特点,选用IC反应器作为本研究厌氧处理设备。
- By using high salt and low pH DNA method,the DNA extracted with high purity and low production,which of modified CTAB with the contrary results,high production and low purity. 用两种提取方法从叶片中得到的DNA产量和质量有所不同,高盐低pH法提取的DNA纯度高,但是产量较低; 而改良CTAB法则相反,产量高,纯度低。
- Low PH value of initial blood gas, early onset of symptoms at birth and total absence of hemidiaphragm were the three most poor prognostic factors (P<0.01). 初动脉血PH值<7.;2,出生后即有呼吸窘迫及半边横隔膜全部缺损是影响预后最大的三个因素(P值<0
- The factors affecting the stability of milk-containing low-pH fruit juice beverages are discussed,and the mechanism of stabilizing protein at low pH studied. 分析了影响酸性含乳果汁饮料稳定性的因素,并对蛋白质在酸性条件下的稳定机理作了探讨。
- Kong Fanxiang,Zhou Fengfan,Zhang Zhenfeng,et al.Effects of low pH and aluminum of uptake of 45Ca by Cyprinus carpio[J].Environmental Chemical,1997,16(3):272-275. [16]孔繁翔;周凤帆;张珍凤;等.;酸性pH及铝对鲤鱼(Cyprinus Carpio)吸收45Ca的影响[J]
- A simple spectrophotometric method for determining low pH value was developed based on the absorption decline of brilliant cresol blue in strong acid solution(0<1.0). 利用灿烂甲酚蓝在强酸条件下(0<1.;0)吸光度随溶液中H+浓度的升高而有规律的下降;提出一种快速测定溶液酸度的分光光度法。
- It is the abradant in the toothpastes that play a part. 4.Artificial saliva with low pH and low fluoride ionic concentration may lead to corrosion of titanium alloy specimens. 4.;经含氟牙膏刷洗或浸泡后,浸泡于pH值较低并且含有较低浓度的氟离子([F-]=258ppm)的人工唾液中,试件就会发生腐蚀。
- Use: the product is a white powder high-powerdorganic chloride-containing powder bleach at lower PH. 用途:本品为白色颗粒状迅速高效的有机氯漂白剂,独创的低PH值配方,性质温和,漂白去污,不伤布料。
- C: F had significant effect on rumen pH (P <0. 01) . Lowest pH was observed with 65:35 CCA. 研究结果表明;4种日粮对瘤胃液pH影响极显著(P<0.;01);但只有在饲喂65:35 CCA日粮2-8 h后瘤胃液pH低于6