冻融
- freeze thawing
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为此,本研究利用RNA干扰技术,通过调控马铃薯块茎中淀粉合成关键酶基因的表达,从而改变马铃薯中淀粉的分子组成,并获得具有淀粉糊化温度低且冻融稳定性好的加工型马铃薯品种。
In the present research , antisense-RNA technique was employed to regulate the expression of key genes in the biosynthesis potato starch to change the structure and components of starch granule , and further to develop processing potato lines with properties of lower-gelatinization temperature and better-stability of freeze thawing .
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西部高原地区以其强风化、常冻融的地质条件给矿山施工带来前所未有的挑战。
The geological conditions of strong weathering and freeze thawing in western plateau region brought an unprecedented challenge to the mine construction .
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实验组行RFA+冻融抗原致敏DC治疗。
Experimental group was treated with RFA and antigen-pulsed DCs .
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基于GIS的四川省冻融侵蚀界定与评价
Identification and Evaluation of Freeze-thaw Erosion in Sichuan Province on the Basis of GIS
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冻融条件下土壤N2O排放研究进展
Progress on N_2O emission from soil in the freeze-thaw process
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利用先进CT无损检测技术,对不同冻融环境下不同岩样的细观损伤结构变化进行了系统的试验研究。
CT technology is used to study the meso-damage structure change of the adjoining rock for tunnel under the freezing action .
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冻融法制备SOD脂质体
Preparation of SOD liposome by freeze-thaw method
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以冻融法快速纯化高活力基因工程taqDNA聚合酶
Rapid Purification of High-activity Recombinant Taq DNA Polymerase Using Freezing-thawing Method
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冻融循环对FRP增强混凝土柱影响试验研究
Experimental study of effects of freeze-thaw cycle on concrete columns strengthened with FRP laminates
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脱脂、CMC、明矾、柠檬酸可使蕨根淀粉的冻融稳定性降低。
CMC , potassium alum , citric acid slightly weaken the freeze-thaw stabilization .
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考察了浓度、温度、剪切力、pH值、冻融变化、盐度等参数对决明子胶溶液的粘度的影响。
The results showed that the viscosity of Cassia bean gum was affected by its concentration , temperature , shearing , pH , freezing-thawing , salt-concentration et al .
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结果表明:浓度、剪切力、加热时间、pH、冻融等变化与胡卢巴胶的粘度有较大的关系。
The result showed that the viscosity of trigonella foenum graecum gum was affected by concentration , shearing , time in hot water , pH , freezing thawing , etc.
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NMR法的测定结果表明,初始含水率对冻融特征曲线的影响很小;
The results measured by NMR show that the initial water content has a little effect on the freezing and thawing characteristic curves .
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冻融循环处理对水凝胶经冷冻干燥或烘箱干燥后的NaSA载药率影响不大。
The cycle freezing-thawing process showed little effects on the NaSA load ratios of the freeze-dried or oven-dried hydrogels .
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RNA转染DC所需的肿瘤细胞数仅是冻融及融合方式的1/5和1/6。
The number of tumor cells used in the transfection group was only 1 / 5 to the Fused group or 1 / 6 to the freeze-thawed group .
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方法:反复冻融法提取肿瘤可溶性抗原,甲基噻唑基四唑(methylthiazolylterrazolium,MTT)法检测效应细胞杀伤活性。
Methods : Soluble antigen was prepared from tumor cells by repetitive freeze thaw method . Cell killing activity is measured by MTT .
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经过冻融的PFN浓度下降约30%;
PFN concentration decreased about 30 % after freezing .
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用293细胞扩增AdIκBα;采用反复冻融法纯化腺病毒,获得高滴度(5×1010pfu/ml)重组腺病毒;
The recombinant virus was amplified in 293 cells and purified with freeze thaw method for a higher titer ( 5 × 10 10 virus / ml ) .
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由C6胶质瘤细胞经由反复冻融、煮沸灭活及超声破碎细胞抽提其总蛋白的方法制备各种不同抗原致敏DC,致敏的DC与T淋巴细胞进行共培养诱导CTL;
Then rat DCs were pulsed with C6 tumor cell antigens prepared with different methods : freeze-thaw , boiling or total protein extracted from ultrasonic crushed tumor cell .
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目的分析胚胎冻融后体外培养时间以及采用激光辅助孵化(AH)技术对临床妊娠率的影响。
Objective : To analyze the influence of laser-assisted-hatching and culture time of embryos after thawing on clinical pregnancy rates in frozen-thawed embryo transfer ( F-ET ) cycles .
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探讨了DS对溶解度、膨胀率、吸水率、透明度、冻融稳定性、抗凝沉性和黏度热稳定性的影响。
The solubility , swelling power , clarity , freeze-thaw stability , retrogradation and the stability of the viscosity that could be affected by DS were discussed .
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本文主要研究了浓度、剪切力、加热时间、pH值、冻融变化、盐离子浓度、微波及超声波处理等对紫菜多糖粘度的影响。
In the thesis , the influences of concentration , shearing , time in hot water , pH changing , freezing-thawing , concentration of salt ionic , microwave , ultrasonic to viscosity of laver polysaccharides were studied .
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本文介绍了TM和SPOT等多源数据融合处理方法,以及提取蚀变影像信息和增强冻融带影像信息的方法。
TM and SPOT data processing and multiple data fusion methods are discussed in this paper . Extraction and enhancement of alteration information and signature of freezing melting zone are also introduced in detail .
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冻融是我国东北黑土区的普遍现象,而冻融地区又是土壤N2O排放的重要源。
Freeze-thaw is a universal phenomenon of black soil area in Northeast China , and soil freeze-thaw region is an important N2O emissions source .
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嗅鞘细胞在含Schwann细胞冻融周围神经移植物内的存活及对成年大鼠视神经再生的影响
The survival of olfactory ensheathing cells in freeze-thawed peripheral nerve graft filled with Schwann cells and its effect on axonal regeneration of adult rat optic nerve
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改性KGM溶胶透明度、粘度、冻融稳定性及抗菌性明显改善,并且改性KGM膜耐洗刷性比未改性KGM膜明显增强。
Modified KGM was shown to be superior to the raw Konjac Glucomannan in viscosity , transparency , freeze-thaw stability and fungistasis .
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研究冻融土壤的水盐分布格局表明土壤饱和含水量线呈现>形分布结构,总盐分含量和碱化度(ESP)的等值线呈∧形分布结构。
The distribution pattern was studied scientifically . It reveal that the structure of contour of saturated soil water presents like > and that of total salt amount and ESP looks like ∧ .
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考察了后添加乳化剂种类与用量、醇类、pH值、固含量对胶乳冻融稳定性的影响,确定了羧基丁苯胶乳的防冻剂配方(0.7份防冻剂Ⅰ和0.3份防冻剂Ⅱ)。
The effects of types and amounts of emulsifiers added , alcohols , pH values and solids content on the freeze-thaw stability of carboxylated styrene-butadiene latex were investigated . The recipe of antifreezer was 70 % antifreezer ⅰ and 30 % antifreezer ⅱ .
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康艾注射液联合改良DCF方案治疗进展期胃癌的临床观察改良的玻璃化冻融方案对人类卵母细胞冻融效果的研究
The Clinical Research of Kang'ai Injection Combined with Modified DCF Regimen for Patients with Advanced Gastric Cancer Effect of the Optimized Vitrified Cryopreservation Procedure on Human Oocytes
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总的来看,碳化、有限次数的冻融循环、盐溶液干湿循环对CFRP和GFRP纵向受拉性能影响不大。
Anyway , carbonation , freeze and thaw cycles for limited times and wet and dry cycles in salt solution affect slightly on the tensile performance of CFRP and GFRP . 2 .