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Redcoat were differentiated directly from the callus formed on MS medium in which the component and concentration of hormones were changed.

稍加调整附加激素成分和浓度,可在"索非亚"、"宝交早生"、"戈雷拉"、"红衣"、"丽红"等品种的花药上直接经愈伤组织分化出植株。

Based on the investigation into the TVS remotion efficiency and the changes of such parameters as OUR, SV an4 during aerobic digestion processes of different aeration manner, initial sludge concentration and digestion temperature, this study determines tho optimized aerobic digestion operational conditions.

污泥好氧消化处理工艺的研究沈耀良摘要通过对污泥好氧消化处理中不同曝气方式、不同初始污泥浓度及不同温度对消化效果的影响及消化过程中污泥的OUR、SV和NH_4 ̄+-H等指标变化规律的考察研究,确定了最优的运行工艺条件。

Rice moisture content can be controlled by use of different consistency salt and acidliquor,the method of preparing different moisture contents rice sample also be studied and adopted.Such as, temperature humidity preservation box used in testing mechanical physical properties ofrice kernel, tensile and bending experiment device which can be used on rice samples. Configureddark box, CCD photography, image-taking system, pre-experiment to forcast mechanical physicalproperty and moisture transfer property, from which we can know that distance of elastic modulusand passion ratio in tensile process test is not big when renitency strength is much larger thanresist-pull strength, tensile test can be replaced by bending test to research tensile property ofrice, because tensile test is hard to do, experiment research methods and feasibility werediscussed, and suitable humid stress field experiment research plan ere made.

研究、采用了合适的盐溶液及不同浓度的酸溶液调节稻米含水率、制取不同含水率稻米试样的方法;研制了测量稻米材料机械物理特性时使用的保温保湿箱、适用于稻米试件使用的拉伸和弯曲试验装置;配置了暗箱、CCD摄像机、竖直与水平摄像装置及计算机图像采集系统等;进行稻米机械物理特性和水分传递特性的各种预备试验,得到:稻米的抗拉强度远小于抗压强度而拉压时的弹性模量、泊松比相差不大,稻米籽粒的拉伸试验难度极大,成功率很低,可以用籽粒的弯曲试验代替拉伸试验研究籽粒材料的拉伸特性;探讨试验研究方法及其可行性,制定了合理的稻米湿应力场试验研究方案。

Producted RF and CRF aerogels by process of sol-gel technics, dynamic-exchange, CO2 supercritical drying, and procedural increase in temperature carbonization methods, which have eximious capability and nanometer network structure; Systemic analysis various factors which effect gel course, such as ratio of reactants and the dosage of catalyst, and probed into the better experiments conditions(the concentration of resorcinol and formaldehyde is more than 2% and the value of R/C is between 50 and 300); During gel course , primary investigated the viscosity curve and particle size distribution of sol-solution, and analyzed the reason of catalyst dosage effects particle size of gel, and confirmed that the up-growth of gel follows the theory of " polymerize increase ".The experiment results indicated that ultrasonic with unvarying temperature disposal shortened gel time and optimized quality of gels, and the factors of ultrasonic effect gel reaction velocity were analyzed; Prepared organic aerogels using compounds of resorcin and hydroquinone substitute resorcinol reacts with formaldehyde the first time, and also optimized the proportion of resorcinol and hydroquinone (the proportion of hydroquinone in 10%~40%).

采用溶胶-凝胶工艺结合动态溶剂交换、CO2超临界流体干燥与程序升温碳化方法制备出性能优良、具有纳米网络结构的RF与CRF气凝胶;深入研究了反应物配比催化剂用量等条件对凝胶过程的影响,得到了较佳的RF凝胶制备条件(RF浓度应大于2%,R/C值取50~300);初步研究了凝胶过程中的粘度、粒径变化情况,分析了催化剂用量影响凝胶中粒子尺度的原因,在实验上印证了凝胶生长遵循"聚增长"的理论;通过引入超声波改进了RF气凝胶的制备工艺,缩短了凝胶反应时间,提高了凝胶品质,并探讨了超声波促进RF凝胶反应作用的原因;首次用对苯二酚与间苯二酚复配制备了混合有机气凝胶,优化出复配比(对苯二酚含量为10%~40%)。2。

It can be concluded that (1) forosamine on 17-carbon can be easily lost, but difficult for rhamnose sugar;(2) spinosad concentration decreased when irradiation time increased, degrading rate was up to about 70% for irradiating 484 min, and 11 degradates were produced. These degradates were products of the oxidation, reduction, and hydrolytic reactions.

结果表明,多杀菌素17碳上的福乐糖胺容易失去,三氧甲基鼠李糖很稳定;多杀菌素浓度随紫外光照射时间的增加而降低,在照射484 min后,降解率达到70%左右,形成11种降解产物,这些降解产物是多杀菌素A或D经氧化、还原及水解等反应形成。

The effects of reaction temperature, phase transfer agent and the concentration of rhodium catalyst were examined.

研究了采用水溶性铑膦络合催化体系对双环戊二烯的氢甲酰化反应,考查了反应温度、相转移剂CTAB、铑催化剂浓度等对反应的影响。

Effects of plant growth regulator "Shifengle" on transpiring water-consumption of Rhus chinensis and Rhus typhina.

采用BP3400精密天平等仪器对喷施不同浓度(10、204、0 mg/L)"施丰乐"溶液的当年生盐肤木和火炬树的实际蒸腾耗水状况进行研究,得出不同处理苗木在正常水分条件下及干旱胁迫过程中的日蒸腾耗水规律。

Effects of substrates,hormones and cuttings types on the rootage of Photinia serrulata were examined by orthogonal test in this study.

采用正交试验的方法研究了扦插基质、生长激素及其质量浓度和插条类型等4种因素3种不同水平处理对红叶石楠插穗生根率的影响。

The surface activity of Hibiscus syriacus has been studied and shows thatHibiscus syriacus has good surface activity.The influence of temperature,saltness,water hardness and pH on the surface activity of its aqueous solutionsis also studied and shows little influnce.Also the mixture systems of Hibiscussyriacus with some anioic surfactants have been studied and the results show thatthe mixture systems can produce remarkable synergism.

天然表面活性植物木槿叶的应用研究本课题对天然植物原料木槿叶提取物中的表面活性物的性质(临界胶束浓度、表面张力和起泡性能)及其影响因素(温度、pH、水硬度和盐度等)进行了系统的研究,结果表明木槿叶表面活性物具有较好的表面活性,且它的cmc和〓在一定范围内受一些因素的影响也不大,是一种理想的香波原料;同时也研究了木槿叶活性物与其它温和型的阴离子表面活性剂的复配体系,表明具有明显的协同增效效果。

This result was consistent with the previous simulation study;(2) the signals of MAH onto the radical chain ends with double bonds increased markedly with increasing MAH content, indicating that P scission occurred after MAH attached to the tertiary carbons.

MAH的用量对接枝PP链的等规度有很大的影响,主要表现在随MAH浓度增加,PP链的mm序列所占的比例逐渐增大,mr和rr序列所占的比例逐渐减小。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。