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In thisscheme, even some data is lost during the communication, secret communication can bestill succeed if the receiver is able to get enough embedded information (more than thelow limit in the threshold method).

即使在传输过程中数据有所丢失，只要接收方能够提取到门限方案中要求的最低数目的嵌入信息，仍然能够成功的进行秘密通信。

Cronbach a of them equals respectively 1.000, 0.714. Conclusions The system could form the test pater with the strategy of the combination of the certain proportion of the important degree and the binominal distribution models which realized the Internet testing, rectifying and analysis.The test papers abstracted from the system were reliable and valid. It can scientificly, objectively evaluate the students' ability and it's beneficial to deviation of the teaching, testing and controlling testing cheat. The Non-paper testing system has good practical value.

建立的试题库和考试系统能够按重点等级定额比例分配与难度等级二项分布模型策略组卷，实现了远程考试、自动阅卷和相关分析功能；从该系统抽取的试题难度和区分度合适，试卷可信、有效；能够客观、公正、科学地测试和评价学生的能力，对开展教考分离、控制考试作弊起到积极作用，具有较好的实用价值。

From these sweet, bitter, sour objects, sweetness, bitterness, sourness, are abstracted. Once abstracted they can be reapplied;…… For example an emotional experience is associated with the breast, in which the infant feels that there is an object existing independently of itself on which it can depend for satisfaction of its feelings of hunger; assuming a capacity for abstraction, the infant can feel that from the total experience he can detach an element which is a belief that an object exists that can satisfy his needs. The concrete statement might be: a breast exists that can be depended on to satisfy his hunger for food; abstraction from this might be: there is a something that can and does give him what he wants when he wants it. Bion,

从这些甜的、苦的、酸的客体中，甜、苦、酸被抽象出来，它们便可再度被应用；……例如：婴儿有一个与乳房相关的情绪体验，在其中他觉得有一个客体独立于他自己而存在，且可以依赖这个客体来让饥饿感得到满足；如果婴儿有抽象的能力，他就能够觉得从这整体体验中，可以分离出一个元素，此元素是一个信念，亦即，相信一个可以满足其需求的客体，具象的叙述可能是：存在一个乳房，他可以依赖此乳房来满足对事物的渴求；从此抽象出来的则可能是：存在某种事物，当他需要的时候能够且的确会给他那些他想要的。

Similarly, a pit organ's aperture is about 1 mm—large enough to allow the snake to quickly detect moving prey. Some scientists even suggest that pythons—a type of boid—have a variety of differently shaped pit organs, each serving a different biological function.

响尾蛇及蟒蛇这两种类型的蛇具有这种能力，它们身体上的感热膜能够探测运动中的被捕食者与周围环境的温度差，例如，能够探测跑动中的老鼠与周围环境仅千分之一开氏温度的差别。

The key advantages of the Suzuki cross-coupling are the mild reaction conditions and the commercial availability of the diverse boronic acids that are environmentally safer than the other organometallic reagents.

催化剂是suzuki偶联反应当中一个重要的因素，选择合适的催化剂不仅能够使反应条件变得比较温和而且能够提高反应产率，甚至能使原本不能发生的反应变为可能。Suzuki偶联反应的催化剂通常由两部分组成：钯源和配体。

According to the result, we believed that the reason resulted in the low sensitivity was that the marker residue compound MQCA structure has changed after conjugated with protein and the antibody induced by the conjugation could not recognize the free MQCA in the ci-ELISA. Therefore we designed some hapten which could reserve the marker residue structural speciality mostly. After synthesis route selection and optimum, the hapten 7-Hydroxymethyl-3-methyl-quinoxaline-2-carboxylic acid was synthesized, used 4-methyl-2-nitroaniline as the start material via six steps, such as oxidation cyclization, bromize reaction, hydrolysis, Beirut reaction, reduction, hydrolysis. This work established basis for producing the high affinity antibody and developing the sensitive ELISA residue detection method.

本论文认为导致ELISA检测灵敏度较低的原因，是残留标示物和蛋白偶联后的特征结构发生改变，诱导产生的抗体不能够对游离MQCA很好的识别，因此，本论文设计了能够最大化保留MQCA结构特征的系列半抗原结构，并对其合成路线进行了筛选和优化，最终以对甲基邻硝基苯胺为起始原料，经氧化环化、溴代、水解、Beirut缩合、还原、水解六步反应制备含羟甲基结构的MQCA衍生物7-羟基甲基-3-甲基-喹噁啉-2-羧酸，为制备对游离残留标示物高亲和力的抗体，高灵敏度的ELISA残留检测方法的建立奠定基础。

The results show that in the presence of NaHCO3 as base and DMF-H2O (volume ratio 2∶1) as solvent, the complex could catalyze not only iodobenzene but also non-activated bromobenzene quantitatively at 90 ℃ without the inert gas protection, and furthermore the catalyst could be recovered and reused more than eight times.

结果表明，在没有惰性气体保护的情况下，以NaHCO3作碱，以DMF水溶液(体积比为2∶1)作溶剂，在90 ℃时，该配合物不仅对活性较高的碘代苯能够定量地催化，对未活化的溴代苯也能定量地催化，并且催化剂能够回收再利用8次以上。

We all want the title and if that desire is channelled in the right way, it can help us achieve what we want.

&如果我们对联赛冠军的渴望能够成功成为引导我们前进的动力，那么或许我们就能够获得我们想要的。&

Metal ions of Mn2+ stimulate the ChoA activity and Ca2+ significantly stimulate the ChoB activity, while Cu2+, Fe3+, and Ag+ inhibited them.

酶A的活性能够被Mn~(2+)激活，酶B的活性则能够被Ca~(2+)激活，Cu~(2+)，Fe~(3+)和Ag~+则对两种酶的活性都有抑制作用。

Bend chorda vertebralis can also be observed in stronglyaffected zebrafish embryos. 2. We alse isolated the mouse PNAS-4 (mPNAS-4) gene. Cell proliferation activity analysis in vitro found overexpression of mPNAS-4 caninhibit mouse LL2 and CT26 tumor cell growth.

分离了小鼠的PNAS-4(mPNAS-4)基因，体外细胞增殖活性实验发现，mPNAS-4基因的过表达能够抑制小鼠肺癌LL2和结肠癌CT26细胞的增殖，PI染色和DNA片段化分析表明，mPNAS-4基因的过表达能够促进LL2和CT26细胞的凋亡。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。