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The effects of different lead concentration in meadow brown earth, red earth and gray limestone soil on wetland rice growth and its uptake of lead were investigated. The results showed that all treatments did not significantly change the biomass of wet...

水稻吸收的Pb与土壤中的添加Pb、总量Pb和DTPA可提取Pb含量之间均有着极显著的相关性,并由此计算了Pb的观临界含量,其中湖北土对Pb的污染十分敏感(观临界含量为79mgPb·kg-1)。

Major equipment sales are: infrared thermometer, coating thickness, sound level meter, vibrometer, tachometer, thermometer, anemometer, temperature and humidity instrument, roughness instruments, hardness tester, according to meter megohm table, such as test instruments.

主要销售的仪器有:红外测温仪、涂层测厚仪、声级计、测振仪、转速、测温仪、风速仪、温湿度仪、粗糙度仪、硬度计、照度计,兆欧等测试仪器。

Insulation Resistance meauring: rated voltage of 100 V and above, use of 1000 V Megohmmeter; rated voltage below 100 V, use 500 V Megohmmeter.

绝缘电阻的测定:额定电压为100V及以上者,使用1000V兆欧;额定电压为100V以下者,使用500V兆欧

Use megohmmeter of 2500V for measurement,the megohmmeter must be checked and was ok , supply power to phase need testing and measure 12 insulation,write down the measurement values in 15"and 60",the ratio of R60 and R15 is namely the absorption ratio;stop measuring after 1 minute,make discharging for phase tested,measure insulation resistance for the other two phases.

3.6.2 测量绝缘电阻与吸收比: measure insulation resistance and absorption ratio 采用 2500V 兆欧进行测量,兆欧校正无误后,接通被试相进行绝缘测定,并分别记录 15"和 60"时的兆欧示值,R60 和 R15 之比值即为吸收比, 1min 后停止测量,并对被试相放电后,改接线测量另两相的绝缘电阻。

objectiveto analyze relation factors which influence juve nile offender'smental health.methods 170 juvenile offenderswere investigated in group by general questionnaire, self-esteem in prison ques tionnaire made by the author, and scl-90.resultsnegative corre lation was found between the parental education and the criminal's healthy menta l condition.

目的 分析影响青少年罪犯心理健康的相关因素。方法采用自编青少年罪犯一般情况调查、自行编制的罪犯在狱中自我感受量、症状自评量(scl-90)对170名犯罪青少年进行团体施测。

The report of derivative financial instruments in the statement of assets and liabilities,should solve successfully the problems which have been brought by attributive meterage,and the order of arrangement.

对衍生金融工具在资产负债中的披露,要解决好计量属性、排列顺序等带来的问题;对其在收益中的披露,可采用在会计报体系中增加"全面收益"的做法。

METHODS: A randomized comparative study was carried out for 28 patients of quetiapine group which were treated with quetiapine (130±s 60)mgd^(-1), 25-400mgd^(-1), individually; and 23 patients of haloperidol group receivid haloperidol (4.8±1.4)mgd^(-1), 2-20mgd^(-1), individually; with a course of 12 wk. BEHAVE-AD was used for the pathogenesis analysis of denmentia before and after treatment.

采用随机对照研究,喹硫平组28例,剂量(130±60)mgd^(-1), 25~400mgd^(-1),氟哌唆醇组23例,剂量(4.8±1.4)mgd^(-1), 2~20mgd^(-1),疗程12wk,治疗前后采用痴呆病理分析评定量和治疗时出现的症状量评定疗效和不良反应。

Products for the caliper, micrometer, dial indicator, dial gauge, lever scale thickness measurement tools, etc., as well as precision projector, instrument measuring microscopes, video measuring instrument, the second element altimeter, three-coordinate measuring instrument of precision measuring instruments, etc. mainly used for scientific research units, teaching the field, aerospace, automobile, shipbuilding, electronics, metal, plastic and many other fields in nanotechnology today, represented by technological innovation, it is necessary to adapt to the ever-changing industry needs, constantly drawing and the use of advanced science and technology, high-precision measuring instruments for scientific research in manufacturing has played a role as a bridge has been all over the world the user's trust and support.

产品为卡尺、千分尺、百分、千分、杠杆、厚薄等测量工具以及精密投影仪、工具测量显微镜、影像量测仪、二次元高度仪、三坐标测量仪等系统精密测量仪器,主要用于科研单位、教学领域、航空航天、汽车、造船、电子、五金、塑料等许多领域,在今天以纳米技术为代的技术革新,要适应千变万化的产业界的需求,不断的吸取和运用先进的科学技术,高精密测量仪器在为科研制造等方面起到了桥梁作用,得到了全世界各用户的信赖和支持。

Suppose that this milliammeter to be used as an ammeter is with a full-scale deflectionof 2A.

假设要把这只毫安用作为满刻度偏转为 2 安培的一只安培

Wuhan Kangda Electrical Co Ltd - insulation tester and earth resistance tester, water-cooled dynamotor insulation tester, electronic insulation tester, electronic insulation/continuity tester, digital insulation/continuity tester, grounding of network, earth resistance tester, lightning protected component tester, high value standard resistor, digital micro-ohm meter, phase indicator, DC milliammeter, digital level meter

武汉康达电气有限公司-电气仪,内冷发电机绝缘特性测试仪,电子式指针绝缘电阻,指针绝缘/导通电阻,接地电阻测量仪,大地网地阻仪,等电位连接电阻测量仪,防雷元件测试仪

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The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应,而且减少跟风的可能性。

The new PS20 solar power tower collected sunlight through mirrors known as "heliostats" to produce steam that is converted into electricity by a turbine in Sanlucar la Mayor, Spain, Wednesday.

聚光:照片上是建在西班牙桑路卡拉马尤城的一座新型PS20塔式太阳能电站。被称为&日光反射装置&的镜子将太阳光反射到主塔,然后用聚集的热量产生蒸汽进而通过涡轮机转化为电力