土壤发生

Zn and Mn existed mainly as the oxidable form, and could be the free form under a high reduction condition, which had the potential harm for human and crop.

以这一形态存在的重金属，特别对环境变化很敏感，也就是说当土壤的pH值和氧化还原条件发生改变时，也可以被释放出来，具有一定的生态风险。

Neither the traditional machine anatomy theory nor seed-soil theory could explain the mechanism of primary bronchogenic carcinoma metastasizing to phalanges of fingers. If patients with soft tissue inflammation of fingers that cannot be healed for a long time are encountered, the possibility of tumor metastasis here should be considered.

传统的机械－解剖学说和种子－土壤学说的观点均不能解释原发性肺癌发生指骨转移的机理，故临床上如遇久治不愈的手指软组织炎症时，应想到是否有肿瘤细胞转移至此的可能性。

The findings show that with the prolonging history of Phyllostachys praecox cultivation,the properties of soil have changed greatly.

结果表明：随着雷竹栽种历史的延长，土壤性质发生了明显变化。

The study results indicated: The growth and output of the Sabaigrass was in orderon condition that soil holding water ratio was between 70% and 80%. The segregatingbranch of Sabaigrass have not grow rapidly in the procreative period when the soilheld higher(90～100%) or lower water (40～50%), and in August the death ofsegregating branch appeared.The growth of laminae was also impacted, the quantityor length of laminae, even shorter than 80cm. Finally with the result that the outputdecreased evidently.In June, the nutrition blooms in this time, the growth ofsegregating branch of Sabaigrass was affected by the field waterlogging, the caudexand segregating branch were half less than in the normal condition.

如果土壤含水量过高(90～100％)和过低(40～50％)，龙须草整个生育期没有分蘖快速增长的现象，进入8月份，甚至还出现分蘖死亡的现象，叶片的生长也受到很大影响，叶片总数极显著地减少，叶片的长度缩短，长于或等于80cm的叶片根本没有，最终导致产量显著降低；尤其是在6月份龙须草营养旺盛生长的时期，大田淹水极大地影响龙须草的生长，抑制分蘖的发生，收获时龙须草的总茎蘖数只有正常的一半。

The results showed that treatment of due north direction and tectorial membrane could increase soil temperature obviously, lower permafrost layer thickness and decrease sprouting.

结果表明：正北向+覆膜处理能明显提高土壤温度，降低冻土层厚度，减少苹果幼树越冬抽条现象的发生。

Trichosanthes kirilowii in Qianshan County , Anhui Province. Nematodes were extracted from soil around theroot system to a depth of 450 mm using a Baermann funnel and roots were examined for sedentary nematodes. Of the

为了有效防治栝蒌根结线虫，调查了安徽省潜山县栝蒌根结线虫及其发生，并分析了栝蒌根围土壤线虫的组成。

Crude death rate is 201.55 per 100 thousand, and standardization is 184.04 per 100 thousand, which is 43.93% higher than the average level of the whole country. The standardization are as follows: hepatoma (53.57 per 100 thousand), lung cancer (47.76 per 100 thousand), gastric cancer (31.17 per 100 thousand), breast carcinoma (5.18 per 100 thousand), colorectal cancer (8.6 per 100 thousand). Monitoring indicates that the aggravation of water, atmosphere, small marine products, and the unhealth life habits are the main facts. Earlier screening profits diagnosis and prevention beforehand.

结果 慈溪市近十年恶性肿瘤死亡率逐年上升，位全死因的第一位，粗死亡率为201.55/10万，标化死亡率184.04/10万，比全国平均高43.93%，恶性肿瘤顺位及标化死亡率以肝癌(53.57/10万)、肺癌(47.76/10万)、胃癌(31.17/10万)、乳腺癌(5.18/10万)、结直肠癌(8.6/10万)，大气、水、土壤、蔬菜、小海产品监测表明：水质、环境的恶化及本市区域的大气、小海产品局部污染和不良卫生习惯是恶性肿瘤发生的主因，早期筛查利于早发现、早预防。

Vanadic oxide, nitric acid and sulfuric acid were used to decompose soil and plant samples in 80℃ water bath, and then the mercury concentration was determined by FI-HG-CAAS.

然后采用五氧化二钒-硝酸-硫酸体系，在80℃水浴中消解土壤、植物样品，再用流动注射-氢化物发生石英管冷原子吸收系统测定样液中的汞。

The disease index of tomato early blight was reduce gradually as the number of bacteria and antinomies increase.

4土壤微生物数量与番茄早疫病的发生有一定的关系，随着细菌和放线菌数量的增加，番茄早疫病的病情指数也相应减少。

In peat bogs, soil acids also help to stop the processes of decay.

其次，土壤中的酸性物质也阻止了腐蚀的发生。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失