查询词典 quenching

The fluorescence emission peak of inclusion complex shifted toward short waves and fluorescence intensities decreased in the presence of DNA. The quenching constant was calculated to be 6.12×10~4L mol~(-1) by Stern-Volmer method. The quenching mechanism was studied. The interaction ofβ-CD-TH inclusion complex and thionine with DNA were compared.

荧光光谱实验的结果是DNA对硫堇包合物的荧光峰有蓝移和猝灭效应，猝灭常数Ksv为6.12×10~4L mol~(-1)；探讨了其荧光猝灭机理，比较了硫堇包合物和游离态硫堇与DNA作用程度的大小。

Microstructural analysis indicated that granular carbides existed in the steel of lower fatigue life prior to quenching heating, which remained undissolved during austenizing and remained in the quenching microstructure,resulting in lower fatigue life.

但调查发现，这些工作多数局限在弹簧钢常规力学性能方面，对抗疲劳性能的研究相对较少，而弹簧生产中则经常出现疲劳寿命达不到要求、影响因素却不清楚的问题。

The results show that the unitary martensite matrix can be obtained by quenching at 900 - 1 050 ℃, and the hardness of high boron cast steel has no obvious change when the quenching temperature is changed.

结果显示，在900～1050℃内淬火，均可获得单一的马氏体组织，淬火温度的变化对硬度影响不明显。

Chapter 5: The fluorescence quenching reactions of barbaloin with serum albumin in solution were studied. The quenching mechanism of serum albumin by barbaloin was interpreted using the Stern-Volmer mechanism. The binding constant K values and the number of binding sites were calculated, respectively.

第五章：首次研究了芦荟甙与血清蛋白在溶液中的相互作用，利用Stern-Volmer方程解释了芦荟甙对血清蛋白的荧光淬灭，并测定了不同温度下的结合常数及结合位点数。

It is thought that fluorescence dynamic quenching process could take into account the intersystem transition of to, and the quenching constant is calculated in this paper.

分析认为，荧光猝灭的主要原因是动态猝灭过程--由最低激发单重态转入三重态所致，并对淬灭常数进行了计算。

The main quenching mechanism of fluorescence of LYSO by kaempferol was a dynamic quenching.

计算得出了25℃时，山奈酚与溶菌酶间的结合常数和结合位点数分别为6.86×10^3molL^(-1)和0.90。

Experimental results showed that the intrinsic fluorescence of BSA was quenched by peperine molecules forming piperine-BSA complex. The mechanism of fluorescence quenching was mainly due to static quenching and non-radiation energy transfer.

实验结果表明：胡椒碱与BSA形成基态复合物从而猝灭BSA的内源性荧光，猝灭原因主要为静态猝灭和非辐射能量转移作用。

The study on the photoinhibiton of Pistachio shows: the exposure of Pistacia vera seedlings to high irradiance induced lowering of apparent quantum yield , maximal fluorescence , minimal fluorescence , variable fluorescence , photochemical efficiency of PS Ⅱ, and photochemical quenching , but raising the Non-photochemical quenching , this indicates that high irradiance reduces the quantities of oxidized Q〓, which depresses the ability of electron transport from Q〓 to Q〓, and lowers the electron transport rate and the photosynthesis rate.

对&光抑制&研究表明，强光照射后，叶片表观量子效率、最大荧光、初始荧光、可变荧光、光化学效率、和光化学猝灭系数下降，而qN升高，说明强光处理降低了Q〓的氧化态数量，使Q〓→Q〓传递电子的能力下降，进而导致了电子传递速率和光合速率的下降。

A steel plate having a tensile strength of at least about 930 MPa (135Ksi), a toughness as measured by Charpy V-notch impact test at least about 120 joules (88 ft-lb), and a microstructure comprising at least about 90 volume percent of a mixture of fine-grained lower bainite and fine-grained lath martensite, wherein at least about 2/3 of said mixture consists of fine-grained lower bainite transformed from unrecrystallized austenite having an average grain size of less than about 10 microns and comprising iron and specified weight percentages of the additives: carbon, silicon, manganese, copper, nickel, niobium, titanium, aluminum, calcium,rare earth metals, and magnesium, is prepared by heating a steel slab to a suitable temperature; reducing the slab to form plate in one or more hot rolling passes (10) in a first temperature range in which austenite recrystallizes; further reducing said plate in one or more hot rolling passes (10) in a second temperature range in which austenite does not recrystallize, quenching (12) said plate to a suitable quench stop temperature (16); and stopping said quenching and allowing said plate to air cool (18) to ambient temperature.

一种钢板，其抗拉强度至少约930MPa135ksi），在－40℃（－40°F）下，采用夏氏V型缺口冲击试验测定的韧性至少约120焦耳（88英尺－磅），并且其显微组织包含至少约90％体积的细晶粒的下贝氏体和细晶粒的板条马氏体的混合物，其中该混合物的至少约2／3由从平均粒径小于约10微米的未再结晶奥氏体转变而来的细晶粒的下贝氏体组成，而且，其中所述的钢板包含铁和特定重量百分比的添加元素：碳、硅、锰、铜、镍、铌、钛、铝、钙、稀土金属和镁，所述钢的制备过程为：将一钢板坯加热至一个适当的温度；在奥氏体可发生再结晶的第一个温度范围内，采用一个或多个热轧道次（10），将所述板坯轧制成板材；在奥氏体不发生再结晶的第二个温度范围，采用一个或多个热轧道次（10）进一步轧制所述板材；将所述板材淬火处理（12）至一个适当的淬火终止温度（16）；停止所述淬火处理并将所述板材空冷（18）至室温。

O PSII supercomplex was formed in the plant grown in iron depletion solution. After treatment with NO, all of the above injuries of plant due to iron deficiency were reverted, such as the increase of active reaction center of PSII, the reconnection of PSII with antenna, the increased electron transport rate, the increased photochemical fluorescence quenching and the reduced non-photochemical fluorescence quenching.

O处理后，植物受到的所有缺铁损伤都得到恢复，有活性的PSII反应中心数量增加，与天线的连接恢复完好，电子传递效率增高，同时叶绿素荧光的光化学淬灭增多，非光化学淬灭降低，表明PSII下游的电子传递体也得到很好的修复。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。