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To increase the security of the watermark, a new binary image encryption algorithm based on TD-ERCS map is presented. The watermark is encrypted by a chaos sequence generated by TD-ERCS map; A novel color image watermarking algorithm is proposed based on discrete chaotic map and 2-dimensions discrete wavelet transform. The watermark is encrypted by the new binary image encryption algorithm, and the encrypted watermark is embed into four sub-bands of the most deep level of blue branch of host image by three-level wavelet transform, and the embedded positions are determined by general cat cha otic map; A novel color-image blind detection watermarking algorithm is proposed based on integer wavelet transform and subsampling. The scrambled watermark is encrypted and embed into the low sub-bands after four sub-images of the Y branch of host image is transformed by two-level wavelet transform, and the embedded positions are determined by Logistic chaotic map, this watermarking scheme can realize blind extraction.

为了提高水印图像的安全性,提出了一种基于TD-ERCS混沌映射的二值水印图像的加密算法,该算法利用TD-ERCS映射产生的混沌序列加密水印图像;将离散混沌映射和二维离散小波变换相结合,研究了彩色图像水印新算法,该算法先对混沌序列加密后的水印图像进行小波变换,再嵌入到宿主图像的蓝色分量的最深层的四个子带中,嵌入位置则由广义猫映射确定;将整数小波变换和图像子采样技术应用于数字水印,提出了一种彩色图像盲提取水印算法,水印嵌入时,先对宿主图像在YIQ色彩空间中的Y分量进行子采样,并对得到的四个子图像分别进行二级离散小波变换,然后将置乱并加密后的水印图像嵌入到小波变换后的低频子带中,其嵌入位置由Logistic混沌映射产生的混沌序列确定,实现了水印的盲提取。

Mounted on the bearing axis of the wash water depends mainly on oil or oil spray gun method清洗掉easy to use kerosene oil after gasoline;清洗掉difficult oil, use of 100-200 ℃ hot oil leaching or oil spray gun, and then clean gasoline.

装在轴上的轴承的清洗,主要靠淋油或用油枪喷射的方法,容易清洗掉的油污先用煤油后用汽油;难以清洗掉的油污,先用100-200℃的热机油淋洗或油枪喷射,再用汽油清洗。

The study result of microwave irradiation enhanced coagulation process show that the process of irradiating with microwave firstly and then with coagulation is more efficiency to treat oil-containing wastewater than that with coagulation firstly and then with microwave, and when dying wastewater and landfill leachate are treated with microwave irradiation and coagulation process simultaneously, the treatment effects will become better. The study result of microwave irradiation enhanced Fenton oxidation process shows that, no matter what oil-containing wastewater, printing and dying wastewater and landfill leachate, better treatment effect will be achieved with microwave irradiation firstly and then with Fenton oxidation process, with which organic substance and chromaticity can be removed easily.

在微波强化混凝和Fenton氧化组合工艺研究方面,对微波辅助强化混凝工艺而言,处理含油废水时采用先微波预处理再混凝处理的效果较好,而处理染料废水或垃圾渗滤液时采用微波辐射与混凝同时处理的效果较好;对微波辅助强化氧化工艺而言,无论是含油废水、染料废水还是垃圾渗滤液,采用先微波辐射再Fenton氧化处理均可以获得较好的效果,特别适合于有机物的降解以及溶液色度的脱除。

Soak spinach in boiling water till done, then put it in juicer to extract juice. Cut chicken breast into slices and marinate with spinach juice for several minutes. Pan-fry marinated chicken breast slices with oil.

先用开水将菠菜烫下至熟,用榨汁机榨汁放在一边,接着鸡脯肉切片,用榨好的菠菜汁在旁边腌一下,差不多几分钟后,下油先煎熟。

Recently, a complex congenital heart disease in young infants in Beijing Children's Hospital to accept the "one and a half ventricular repair" operation (the child's right ventricular dysplasia, is not able to meet the functions of his heart, and he was part of the right ventricle to the blood to the road directly to the pulmonary artery, the other part to go through the right ventricle), spent a total of more than 60,000 yuan,"PapaS" fast food companies responsible for 4 million yuan before the children have recovered and been discharged.

最近一个复杂先心病小婴儿在北京儿童医院接受了&一个半心室修复&的手术(这个孩子的右心室发育不良,不能够满足他的心脏功能,把他本来到右心室的一部分血改路,直接到肺动脉,另外一部分还要经过右心室),共花费了6万多元,&PapaS&快餐公司担负了4万多元,先该患儿已康复出院。

Should be in power after the first pull circuit breakers pull isolation switch to send electricity to be first combined together after the circuit breaker switch.

在停电时应先拉断路器后拉隔离开关送电时应先合隔离开关后合断路器。

When they opened her up, they found two tiny wrinkle-faced boys bowing to the waist and saying to each other politely,"After you, brother, after you."

当他们把她剖开时,发现有两个小小的、脸皮皱皱的男孩,在哈腰鞠躬,还互相有礼貌地说:「请先,哥呀,请先。

The utility model in the pen with the tail weight block, the weight block so-tail body weight than the weight of the head. When T tumble to the ground, tail-first with pen to avoid a first portion to effectively prevent damage to the tip of a pencil. reduce waste.

本实用新型由于在笔杆尾部设有配重块,该配重块使笔身尾部重量大于头部重量,当笔滚落到地上时,笔杆尾部先着地,避免笔尖先着地,有效防止笔尖损坏,减少浪费。

I remember there was a little story let me ponder for long: five fingers to fight because they are the length of missing, one has to compete against, so they thought of a way, that is, brought a small ball, who should pick up the ball Who is the winner, when the brothers worked hard, want to first pick up the ball, but the days of the later, no one can pick up the ball, the brothers who are very dull of mind, the weakness of their own , complaining, criticism, feel that they are no use, nothing to do anything, the brothers who no sleep a night and, after the anti then, the next morning, the sun out of the ground plane of that moment, brothers say in unison:"We test with the next bar."

记得曾经有一个小故事让我深思良久:五只手指头打架,因为它们长短不齐,却要一争高下,于是它们想到了一个办法,就是拿来一个小球,谁先拿起小球谁就是赢家,那时几个兄弟奋力拼搏,都想先拿起小球,可是日子一天天的过去了,谁也没能拿起小球,兄弟们的心情都十分沉闷,对自己的软弱无能,抱怨,批评,觉得自己很没有用,做什么都一事无成,兄弟们一晚都没睡好,辗转反则,第二天清晨,在太阳跳出地平面的那一瞬,兄弟们异口同声的说:&我们一起试下吧&。

In the classroom that is beneficial to SRL, students should act as self-instructor other than receiver, and teachers should act as guide, supporter rather than lectures. Teachers'exposition that follows children's questions can bring about better effects on SRL than that is before children's learning attempt.

有利于学生自主学习能力发展的教学应该置学生于教学的主体地位,以学生的学为中心组织教学;在教学方法上,应以学生的自学为主,教师的指导为辅;教学的基本顺序应该是&先学后讲&而不是&先讲后学&。

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推荐网络例句

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊!不用提了。提到肉,真是糟透了。

Tristan, I have nowhere to send this letter and no reason to believe you wish to receive it.

Tristan ,我不知道把这信寄到哪里,也不知道你是否想收到它。