And research shows that high thermal conductivity composite can decrease the temperature difference of underfill between chip and substrate, so that it can improve the temperature distribution of the flip chip, decrease the thermal stress of underfill and increase packaging reliability.

表明高導(dǎo)熱系數(shù)的底充膠可明顯降低在芯片和基板之間的溫度差，降低底充膠的熱應(yīng)力五月丁香综合在线视频，進(jìn)而提高電子封裝的可靠性国产午夜福利在线播放92。

When people move from rural to urban, their major changes in their life, such as a decrease in physical activity, a change dietary patterns, a nd increase in fast food and a decrease in fruit and vegetable consumption, for example, there is also an uptake of unhealth y habit s such as smoking.

當(dāng)人們從鄉(xiāng)村遷入城市，主要發(fā)生改變的就是他們的生活，如鍛煉的減少无码一级毛片免费；飲食結(jié)構(gòu)的改變一区二区强奸，像，吃快餐的次數(shù)增多97干视频，而吃的水果和蔬菜的數(shù)量減少欧美一级俄罗斯a片；而且人們還學(xué)會了一些不良習(xí)慣，如吸煙欧美色图亚洲。

The test result showed , the friction coefficient and wear coefficient of neat novolac epoxy would decrease with the content of hardener decrease at unlubricated sliding friction condition.

對制備的無填充樹脂和石墨填充樹脂固化物的無潤滑滑動摩擦磨損性能進(jìn)行了系統(tǒng)的研究综合sese，獲得了具有理想摩擦系數(shù)和磨損系數(shù)的復(fù)合物涂層。

A series of experiments were done to substantiate the feasibility of the different piezoelectric cochlea implants in vitro and in vivo . The unpoled ceramic had no piezoelectric characteristic and no ability to decrease the threshold, while the poled ceramic had obvious piezoelectric effect to recover the hearing. Based on these results, it can be affirmed that the piezoelectric cochlea implant can activate the nerve and decrease the threshold.

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The results indicate that in the synchronizing condition the MRF is unyielded, every point of MRF in the flow field has the same angular velocity. Under the slipping condition, with the increase of magnetic field or the decrease of slip speed, MRF may transfer from whole yield to partial yield. When the MRF wholly yields, the angular velocity of MRF increases nonlinearly with its radius, the non-linear distribution becomes more obvious as the magnetic intensity in the working gap increases. When the MRF partially yields, the yield region expands with the decrease of magnetic intensity or the increase of slip speed and the unyield region always reaches the driven rotor. The transfer torque of MRTD increases with the increase of the external magnetic field, but the transfer torque maintains a constant value approximately with the variation of slip speed at the same magnetic intensity.

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In the present condition, the measures to decrease investigation cost in maximum degree and to acquire the best investigation benefits are below: Reforming the investigation system, changing the "Regarding piece as the dominant factor" to "Regarding piece as the dominant factor","Piece and strip combination". Strengthening educational training, legal propagate and legislation. Improving the professional qualities of investigators and the legal quality of citizen. Uprighting the relation of "Investigation" and "Control", and changing the passive investigation to initiate investigation. Increasing criminal risk and cost to decrease and prevent the occurrence of crime . Displaying the guiding role of media in propagation. Respecting the objective law of new-born things development. Enlarging the input of science and technology and realizing sections link on network, resources enjoy together and examine and approve on network. Ensuring the stability of funds and scientific management.

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Observe the formula's effects to the diabetic nephropathy rat model cause by small dose STZ injured, high lipin feed and hemiresection, the results showed that can decrease significantly blood sugar after diet 2h, control availably hyperplasia of glomerulus mesenteric cell, inhibite tumefaction of glomerulus capillary endothelial cell, keep integrality of podocytic process and basement membrane, relieve vasal cavum stricture, reduce the GFR and excretory rate of 〓-MG, improve the status of high blood lipin, specially decrease significantly TC, reduce the 〓 and T/K, improve the status of microcirculation obstacle, elevate the activity of 〓-〓-ATP enzyme.

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Results: 1. The value of all experimental indexes decreased significantly after heat stress, and reached the lowest at the time 2-8 hours after heat stress. This indicates that the immunity of the mice is damaged to the largest extent at 2-8 hours after heat stress. 2. L-arginine supplementation with appropriate dose could remit the acute atrophying of thymus and spleen tissue caused by heat stress. 3. After L-arginine supplementation with appropriate dose, the lymphocyte proliferation, the level of concentration of IL-2 and * expression of IL-2R raised in the group with room temperature; in the heat stress group the level of three indexs decrease significantly. Furthermore, the decrease of the group given 1 .Smglg.bw L-arginine is the smallest. This result indicates that the concentration of 1 .Smglg.bw L-arginine supplementation could remit the depressment of the immunity caused by heat stress. 4. The [Ca2~] in activated thymocytes of the group with L-arginine -2- supplementation is significantly higher than that of the group with water supplementation. This indicates that L-arginine supplementation could protect thymoeytes of mouse under heat stress. We also found that the fluorescence intensity of [Ca2~] in activated thymocytes of the group given 1 .Smglg.bw L-arginine is the highest.

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The synergistic effect of Cu and Mn is listed as follows:(1) On improving the structure of rust layer, addition of Cu and Mn can reduce cracks and pores in rust layer;(2) On altering the composition of rust, it can increase the amount of Fe3O4 and γ-FeOOH, while decrease that of β-FeOOH;(3) On the chemical state of alloying elements and selectivity of rust layer, it mainly convert the anion selectivity to canoed selectivity;(4) On the electrochemical aspect, it can decrease the anode current density and increase the corrosion potential of steel.

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The initiative and passive methods to decrease the vibration have been studied. The results of decreasing of vibration with the installing of hydraulic liners between the chocks and stand have been researched using the simulation software. The hydraulic liners can decrease or eliminate the vibration effectively.

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