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The results indicate that both of that of iron and steel industry exceed that of whole industry average level.In iron and steel industry,ironmaking consumes most energy and yields most pollutants.The ironmaking's net energy consumption per ton pig iron of key iron and steel works is 704 kg,about 29.5%of which is used for sinter and cokemaking and isn't reclaimed satisfactorily after enhancing the physical and chemical character of raw material.This is one of the reasons why ironmaking system consumes so much energy.

结果表明：钢铁工业的能耗、污染物排放量远高于工业部门平均水平；在钢铁工业内部，炼铁系统的污染最严重，能耗最高。1996年全国重点钢铁企业吨铁净能耗为704 kg，其中29.5 ％用于烧结和焦化工序，且在提高原料的理化性能之后，未得到充分回收和利用，是炼铁系统能耗高的一个重要原因。

Nighty rats were randomly divided into the groups of control, myocardial infarction and doxycycline, which were given orally 48 hours before and 48 hours after MI with 30mg/Kg per day. Protein and mRNA extraction was done on left ventricular samples containing scar and myocardium together. Samples were assayed from 1 day to 4 weeks post-Mi. The activity of MMPs was measured by zymography and collagen amount by the method of chloramine T, the ratio of II III collagen was assessed by immunohistochemical stain. Protein and mRNA of MMP-2, 9, TIMP-1 were determined by Western-Blot and RT-PCR.

分为对照组、心梗组和治疗组(D组，术前两天至术后两天，口服Doxycycline，30mg／kg／天)，分别于术后第一天、术后一周、术后两周、术后四周取心肌组织，采用免疫组化测定胶原含量和Ⅰ／Ⅲ胶原比例，酶谱法测定心梗后MMP-2，9活性蛋白的表达规律，Western Blotting进一步确定酶谱法中所消化条带蛋白的属性，逆转录-聚合链反应法测定心梗后MMP-2，9和TIMP-1的mRNA的变化规律，运用Acuson Sequoia 512超声心动图机分别测定心梗组、治疗组在两周和四周时左室前壁、后壁厚度以及左心室舒张末内径和左室射血分数。

RESULTS Nim 4.5, 9, 18, and 36 mg.kg-1.d-1 ig for 4 d restrained the platelet aggregation.

结果 Nim 4.5， 9， 18和36 mg.kg-1 。d-1 ig 4 d可显著抑制血小板的聚集。

In this prospective double-blind study from Columbia University in New York, 68 infants weighing 750 to 1,600 grams were randomized to receive one of five formulas differing only in the quantity (130 or 155 kcal/kg/day) and quality of nonprotein energy.

在这份来自纽约哥伦比亚大学的前瞻性双重盲目研究中，六十八位体重七百五十克到一千六百克重的婴孩，随机分配接受五种仅在非蛋白质热量上数量（130 or 155 kcal/kg/day）与质量有所差异的食谱餵食。

Objectives:To study the effect of nutritional support on acute renal failure.Methods:On the basis of common treatemnt,total parenteral nutrition were given in 12 patients with ARF.The nonprotein calorie and NPC∶nitrogen were 104.6～125.5 kJ/ and 600～1000∶1 in simple ARF,and 125.5～146.4 kJ/kg .

对12例ARF病人在综合治疗的基础上给予全肠外营养治疗，并对ARF的二种临床类型(单纯型3例和表现为多脏器功能障碍综合症的9例)采用不同的TPN方案，二组的热量分别为104.6～125.5 kJ/kg 。

The soil urease and invertase activity effected by Hg was investigated in different fertility soils. The results show that soil urease activity、maximum reaction velocity (Vmax、Vmax/Km) and reaction velocity constant k have remarkably negative correlation with Hg concentration so that these can be used as ecological indexes of soil polluted by Hg, Km changes a little indicating that the reaction mechanism of Hg and urease is nonreversible competitive restraint. Urease of low soil fertility is more damaged by Hg than that of high soil fertility, with severe pollution at Hg concentration of 6.00 and 14.79mg/kg respectively; while invertase is less sensitive to Hg than urease. Cultural time has less influence on the relationship of soil enzyme and Hg concentration.

对不同肥力土壤脲酶和转化酶活性受汞影响进行了研究，结果显示，土壤脲酶活性、最大反应速度Vmax 、Vmax/Km和反应速度常数k与汞浓度呈现显著或极显著负相关关系，表明其可作为土壤汞污染的生态指标；米氏常数Km则变化较小，表明汞与脲酶作用机理为不可逆竞争抑制；低肥力土壤脲酶比高肥力土壤脲酶受汞毒害作用更强，当汞浓度分别为6.00和14.79mg/kg时即达到严重污染；而转化酶对汞的敏感性较差；培养时间对土壤酶与汞浓度间关系影响较小。

Find the energy required to change 2 kg of ice at 0 oC to water at 0 oC.

求使2 kg 0 oC的冰溶为0 oC的水所需的能量。

Group I was the control ,and other four groups ,groupⅡ,Ⅲ,Ⅳ,Ⅴ were fed the diets containing 500,1 000,1 500,2 000 mg/kg of fluorineass odium fluoride, respectively, for 150 days.

第1组为对照组，第2，3，4，5组在日粮中添加不同水平的氟化钠，使日粮中氟含量分别为500，1 000，1 500，2 000 mg/kg，实验期150 d。

Describes the Dodge very abundant dynamic performance with an adjective summary, that is smooth this phrase without a doubt, although lets the person startled colorful lively performance in the slow-speed of revolution territory development, but after on expressway, 2.0 make it the motive to add on Dodge the very abundant component heavy 1,455 kg vehicle to be heavy, still had created certain burden to the vehicles, along with vehicle speed climbing, the acceleration strength which very abundant unfolds becomes slower gradually, but uses frequently in the people 80 to 100 km/h sectors, the acceleration time still held certain level, what but was a pity, when after the engine speed arrives at 4,000 rpm,, the noise which transmits by the engine compartment tends to be obvious, caused the trifle regarding comfortableness to decrease.

用一个形容词概括描述道奇酷博的动力特性，那毫无疑问就是平顺这个字眼虽然在中低转速域展现让人惊艳的轻快表现，但上了快速道路之后，2.0升发动机加上道奇酷博份量不轻的1，455 kg车重，仍然对车辆造成了一定的负担，随着车速的攀升，酷博所展现出的加速力道逐渐趋缓，不过在国人使用较频繁的80至100 km/h区间，加速性仍保有一定水平，但较为可惜的是，当发动机转速来到4，000 rpm后，由发动机室所传来的噪音渐趋明显，对于舒适性造成了些许减损。

Methods 40 SD rats aged 10～12 months were divided into 4 groups. Bilateral oophorectomy w as performed in the experiment rats. Three months later, the rats were given BM210955 in dosage of 0.5mg·kg-1.d-1 by gavage for 3 months.

取10～12月龄SD大鼠40只，分为4组，实验组大鼠作双侧卵巢切除3个月后，再给予BM210955 0.5mg·kg-1.d-1，用药3个月。

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。