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Over the last 25 years the amount of energy used by the typical refrigerator dropped by two-thirds; washing-machine energy needs have been reduced by nearly half; the use of redwood decking has fallen by two-thirds; and toilets use less than half the water that they did in the 1970s.

在过去25年中，用于典型的冰箱的能量下降三分之二，洗衣机的能源需求已经减少了将近一半，红木的甲板使用能源的使用量下降了三分之二；和厕所使用不到一半的水，与20世纪70年代相比。

I soon found a way to convince him that I would do him no harm, and taking him up by the Hand laugh'd at him, and pointed to the Kid which I had kill'd, beckoned to him to run and fetch it, which he did; and while he was wondering and looking to see how the Creature was kill'd, I loaded my Gun again, and by and by I saw a great Fowl like a Hawk sit upon a Tree within Shot; so to let Friday understand a little what I would do, I call'd him to me again, pointed at the Fowl which was indeed a Parrot, tho' I thought it had been a Hawk, I say pointing to the Parrot, and to my Gun, and to the Ground under the Parrot, to let him see I would make it fall, I made him understand that I would shoot and kill that Bird; accordingly I fir'd and bad him look, and immediately he saw the Parrot fall, he stood like one frighted again, notwithstanding all I had said to him; and I found he was the more amaz'd, because he did not see me put any Thing into the Gun; but thought that there must be some wonderful Fund of Death and Destruction in that Thing, able to kill Man, Beast, Bird, or any Thing near, or far off; and the Astonishment this created in him was such, as could not wear off for a long Time; and I believe, if I would have let him, he would have worshipp'd me and my Gun: As for the Gun it self, he would not so much as touch it for several Days after; but would speak to it, and talk to it, as if it had answer'd him, when he was by himself; which, as I afterwards learn'd of him, was to desire it not to kill him.

可怜的星期五上次曾看到我用枪打死了他的敌人，但当时他站在远处，弄不清是怎么回事，也想象不出我是怎样把他的敌人打死的。可这一次他看到我开枪，着实吃惊不少；他浑身颤抖，简直吓呆了，差一点瘫倒在地上。他既没有去看我开枪射击的那只小羊，也没有看到我已把小羊打死了，只顾扯开他自己的背心，在身上摸来摸去，看看自己有没有受伤。原来他以为我要杀死他。他跑到我跟前，扑通一声跪下来抱住我的双腿，嘴里叽哩咕噜说了不少话，我都不懂。但我不难明白他的意思，那就是求我不要杀他。我马上想出办法使他相信，我决不会伤害他。我一面用手把他从地上扶起来，一面哈哈大笑，并用手指着那打死的小羊，叫他跑过去把它带回来。他马上跑过去了。他在那里查看小山羊是怎样被打死的，并感到百思不得其解。这时我趁此机会重新把枪装上了子弹。不久，我看见一只大鸟，样子像一只苍鹰，正落在我射程内的一棵树上。为了让星期五稍稍明白我是怎样开枪的，就叫他来到我跟前。我用手指了指那只鸟--现在我看清了，其实那是一只鹦鹉，而我原先把它当作苍鹰了。我刚才说了，我用手指了指那只鹦鹉，又指了指自己的枪和鹦鹉身子底下的地方，意思是说，我要开枪把那只鸟打下来。

Gold is rarely driven by industrial demand but by the yellow metal's perceived value as an alternative currency and by the reserves policies of central banks.

黄金的生产不是源于工业需求，而是被这种黄色金属作为替代货币的诱人价值和央行的储备政策所决定。

The activity of superoxide dismutase in the myocardial cells was determined by the diphenol method, plasma malondialdehyde content was measured by TBA assay, the culture medium LDH content was measured by the acetonic acid method, the intracellular calcium concentration was measured by fluorescence spectropho- tometer- The results was shown that aspartate-K.

结果显示，门冬氨酸钾镁能减少阿霉素中毒心肌细胞乳酸脱氢酶的释放量，降低细胞内丙二醛含量及游离钙浓度，同时可升高细胞内超氧化物歧化酶活力；结果表明，门冬氨酸钾镁可能通过抗脂质过氧化及逆转细胞内钙离子过负荷作用进而保护中毒心肌细胞。

Just under this background, studying on the flight mechanism of flapping-wing MAV and sample fabrication from the bionics are conducted in this dissertation. The kinematics equations of insect wings can be acquired by the observation and measurement on the natural insect in researching paper. The geometry model of insect is established by UG technology. The three dimensional grid during the insect moving in the flow field is achieved which adopted grid generation method. The characteristic of lift and drag are attained by simulation the surround flow field during the locomotion of wings, and the flight mechanism of insect is discussed. Based on this study, the physical flapping-wing MAV is fabricated by the acquirable materials and parts of apparatus in existence.

正是在这一背景下，本文从仿生的角度来研究微型飞行器的飞行机理与样机制作；通过查阅文献中对自然界中昆虫翅膀运动的观察与测量，获取了昆虫翅膀的运动方程；采用UG建模技术，建立昆虫的几何模型；采用网格划分方法，获取昆虫在流场运动时的三维网格；运用CFD方法模拟翅膀运动时周围的流场，获取昆虫运动时的升阻力特性，进而来研究昆虫的飞行机理；在此基础上，通过现有可用的材料加工制作仿生微型飞行器。

Objective To observe the pathological changes and investigate the hepatocyte apoptosis relating with CYP2E1 in alcoholic liver diseaseof rat. Method the Model of Alcoholic liver Disease: Rats were randomly divided into model group(n=37)and control group(n=33). The dose of 40％ethanol was administerd at 8g/kg body weight by garage twice daily for 8 weeks in model group, and control group was received isovolume saline by gavage. End of 8th week, the activities of serum ALT and AST were detect by autobiochemistry instrument. The pathological changes of liver was observed under light microscope after HE staining, hepatocyte apoptosis was detected by the TUNEL method.

目的： 研究酒精性肝病细胞凋亡程度与细胞色素P4502E1表达的关系方法：用酒精灌胃法制备大鼠酒精性肝病模型，将70只wistar大鼠随机分为正常对照组(33只)和酒精灌胃组(37只)，连续灌胃8周后病理切片观察细胞凋亡程度，干化学法测定ALT、AST的含量变化，用PCR法测定细胞色素P450 2E1的表达变化。

The results shown that:(1) Bufo raddei Strauch tadpole was capable of lens regeneration, which originated from the epithelial cells at dorsal iris margin by depigmentation.(2) Depigmentation of Bufo raddei Strauch during lens regeneration was by two methods: First, pigment granules initially dispersed all over the cytoplasm were moved towards the periphery of the cell, and then were directly taken up by the amoeboid cells. Second, pigment granules in a cell were first crowded in a mass, surrounded by a membranous structure in the cytoplasm, which were eventually discharged as a mass from the cell.

结果表明：花背蟾蜍蝌蚪(1)具有晶状体再生的能力，其晶状体的再生来源于虹膜背缘的上皮细胞；(2)虹膜背缘去色素是转分化的前提，主要有两种方式：一种也是最主要的方式是在晶状体被摘除后虹膜外侧产生巨噬细胞，巨噬细胞吞噬虹膜色素上皮细胞中的色素颗粒；另一种方式是虹膜色素上皮细胞自身释放色素颗粒；(3)电镜观察发现虹膜色素上皮细胞转分化过程中线粒体有明显变化，核糖体增多，粗面内质网增多，晶状体纤维分化过程中细胞核逐渐凝聚。

S. bumalda from the Xiaochang County in Hubei Province was sunned to 90% dryness and dried to constant weight in the oven at 105 ℃, then grinded and its protein content was detected by micro-kjeldahl method, the soluble sugar content was detected by anthrone colorimetry, the crude fat content was detected by soxhlet extraction method, total ash content was detected by the method of burning with high temperature.

方法］将晒至9成干的湖北孝昌县珍珠花于105℃的烘箱中干燥至恒重，然后粉碎，凯氏定氮法测定其蛋白质含量，蒽酮比色法测定其可溶性糖含量，索氏抽提取法测定其粗脂肪含量，高温灼烧法测定其总灰分含量。

Deviation or delay in prosecuting the voyage contemplated by the policy is excused Where authorized by any special term in the policy; or Where caused by circumstances beyond the control of the master and his employer; or Where reasonably necessary in order to comply with an express or implied warranty; or Where reasonably necessary for the safety of the ship or subject-matter insured; or For the purpose of saving human life, or aiding a ship in distress where human life may be in danger; or Where reasonably necessary for the purpose of obtaining medical or surgical aid for any person on board the ship; or Where caused by the barratrous conduct of the master or crew, if barratry be one of the perils insured against.

船舶在完成保险单载明的航程中，下述绕航或延迟是许可的：保险单中特殊条款授权者；船长或其雇员不能控制的情况造成的；为遵循明示或默示保证所合理必要的；为船舶或保险标的的安全所合理必要的；为救助人命或为救护有人命危险的遇难船舶；为船上任何人员合理地及时得到内，外科治疗所合理必要的；如果&船长，船员欺诈恶行&是承保风险，由于船长或船员的欺诈恶行造成的。

Deviation or delay in prosecuting the voyage contemplated by the policy is excusedWhere arthorised by any special term in the policy ;or Where caused by circumstances beyond the control of the master and his employer;or Where reasonably necessary in order to comply with an express or implied warranty;or Where reasonably necessary for the safety of the ship or subject-matter insured; or For the purpose of saving human life, or aiding a ship in distress where human life may be in danger; or Where reasonably necessary for the purpose of obtaining medical or surgical aid for any person on board the ship;or Where caused by the barratrous conduct of the master or crew, if barratry be one of the perils insured against.

（1）船舶在进行保险单预期的航次中，下述绕航或延迟可允许：保险单中任何特别条款授权许可者，或船长和其雇员不能控制的情况造成的；或为遵循明示或默示保证所合理必须的；或为船舶和保险标的的安全所合理必要的；或为了救助人命或为援助有人命危险的遇难船舶；或为船上任何人员及时得到内、外科治疗所合理必要的；或如果&船长、船员恶意损害被保险人利益的行为&系承保风险，由于该恶意行为造成的。（2）一旦允许绕航或迟延的原因停止作用，船舶必须合理尽速地回复原航线并继续其航程。

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。