The New Zealand firm said its testing had found minute traces in some of its products of dicyandiamide ( DCD), a chemical used in fertilisers to prevent them from soaking into rivers, which can be toxic in large amounts. 恒天然证实在产品测试中发现了微量双氰胺。双氰胺是一种防止肥料渗入河流的化学物质,大量使用有毒。
Fonterra, said in a statement it had assured its customers that the detected DCD levels were no threat to human health. 恒天然公司在一份声明中向客户保证,检测到的双氰胺水平不会威胁到人类健康。
Reports of the DCD detection prompted Taiwan, Chinese mainland and Malaysia to examine their dairy imports at the weekend, local media in those areas reported. 据台湾、中国大陆和马来西亚的当地媒体报道,由于有关奶制品中检测出双氰胺的报道频频出现,促使这些地区于本周末对其进口奶制品进行检查。
The results showed that DCD and Mo could obviously reduce nitrate accumulation in vegetables. 结果表明:施用钼肥和双氰胺能够显著降低蔬菜硝酸盐的积累。
It has been confirmed that a survival-promoting peptide and a human homologous of a mouse cachexia factor reported previously are both DCD-derivative peptides. 以前在人类神经细胞中发现的一种存活促进肽以及人体内与一种鼠恶病质因子同源的多肽均被证实为DCD衍生肽。
Effects of Dicyandiamide ( DCD) and Molybdenum on Reducing Nitrate Accumulation in Vegetables 钼和双氰胺降低蔬菜硝酸盐积累的效应研究
But when DCD/ soil reachs 1/ 20, the restrained effect of DCD goes near to steadiness. 但当双氰胺与土壤质量比达到1/20时抑制效果基本不变。
Influence of DCD on Soil Microorganism 双氰胺对土壤微生物种群数量的影响
QTL Mapping and QTL × Environment Interactions of Appearance Quality in Upland Rice Introgression Lines under Upland and Lowland Environments This paper analyzed the yield performance by applying different quantity DCD and nitrogen fertilizer in water field and dry field. 利用旱稻导入系定位水、旱田外观品质的QTL及土壤水分效应分析分析了水田和旱田应用双氰胺(不同用量+氮素)的增产效益。
The largest increase ( 39%) was in donation after cardiac death ( DCD) from non-ECD donors. 增加最多(39%)的是来自非扩展标准供体心死亡供者的捐献。
It also produces amounts of the psychedelic chemical dimethyltryptamine. Influence of DCD on Soil Microorganism 它也产生微量化学迷幻剂二甲基色胺。双氰胺对土壤微生物种群数量的影响
Generally, treatment only with microelements and DCD had the best quality, whereas that of high phosphate input had less satisfactory quality. 仅加施微量元素和施用双氰胺组合处理的卫生品质最好,高磷组合处理卫生品质最差。
Application of DCD Scheme in Computation of Gas-Solids Two-phase Flow DCD格式在气固两相流计算中的应用
Application of the DCD technique in the holographic storage 缓存磁盘技术在全息存储中的应用研究
The results indicated that adding DCD significantly increased ammonium content and decreased nitrate nitrogen content at the same time. 赤红壤中添加DCD在同一培养时间均能显著降低土壤较高的铵态氮含量,提高硝态氮含量。
In addition, the mechanism of DCD remains unclear duo to diversity in clinical manifestation, high comorbidity rate and discordance in classification of subtypes of the disease. 而且,由于儿童发育性协调障碍临床表现的多样性,与其他疾病的高并发率以及亚型分类上的不一致导致其发病机制至今未明。
These DCD, non-ECD kidneys had equivalent outcomes to SCD kidneys. 这些非-ECD,DCD肾供体与SCD肾供体的移植结果相当。
Dynamics of different soil nitrogen pools after application of urea with DCD or organic materials were studied by aerial incubation method. 采用好气土壤培养试验,研究了尿素配施有机物料和DCD条件下土壤不同氮库的动态。
The effects of 3 kinds of nitrification inhibitors application, Hydroquinone ( HQ), Dicyandiamide ( DCD) and Thiourea ( TU), on yield and some nutrition qualities of pakchoi with plot experiment in 2 kinds of vegetable soils and at 2 kinds of growing seasons. 通过田间小区试验,在2种土壤和2个季节条件下研究了3种硝化抑制剂,氢醌(HQ),双氰胺(DCD)和硫脲(TU),对小白菜产量和某些品质的影响。
With an aquic brown earth as test soil, this paper studied the effects of urease inhibitor ( NBPT), nitrification inhibitor ( DCD) and their combinations on the dynamics of soil available N and microbial biomass N. 研究了脲酶抑制剂(NBPT)、硝化抑制剂(DCD)及二者组合在草甸棕壤上施用对尿素态N转化及土壤总有效态N、微生物量N的影响。
This paper simply introduces two technologies which are the holographic storage technology and Disk Caching Disk technology, and also discusses the application of the DCD in the holographic storage system. 对全息存储技术和缓存磁盘技术进行了简单的介绍,并对缓存磁盘技术在全息存储系统中的应用作了较为详细的探讨。
Nitrogen fertilization with DCD could mitigate N_2O emission, and have no significant effect on CH4 uptake rate. 在施肥处理中,添加DCD的尿素和碳铵处理能减少N2O排放通量,同属于铵态氮肥的碳铵和尿素对旱地农田CH4吸收的抑制作用没有显著差异。
The effects of Dicyandiamide ( DCD) and Molybdenum ( Mo) on reducing nitrate accumulation in vegetables were carried out in pot-test. 本文化钼肥和双氰胺降低蔬菜硝酸盐积累的作用进行了盆载试验。
The restraining effects of Dicyandiamide ( DCD) on nitrate accumulation in vegetables were carried out in pot-test. 本文就双氰胺对蔬菜硝酸盐积累抑制作用进行了盆栽试验。
This paper reports the effect of DCD in seedling stage to soil microorganism of bacteria, mold and actinomycetes, and the concentration changes of both ammonium nitrogen and nitrate nitrogen in soil. 实验研究了双氰胺在玉米苗期对土壤微生物细菌、霉菌和放线菌的影响,及对土壤中铵态氮和硝态氮贮量变化的影响。
And DCD inhibits the nitrification of ammonium nitrogen and made soil preserve more ammonium nitrogen in a longer period. 并且双氰胺通过其硝化抑制作用可以延缓铵态氮的硝化速率,使施入的碳铵能较长时间的以铵态氮的形态存在。
Nitrogen Transformation and Fate in Soil Under the Conditions of Mixed Application of Urea with DCD or Different Organic Materials 尿素与DCD和有机物料配施条件下氮素的转化和去向
Following the world footsteps, China also carried out the national death donations experimental work mainly in DCD. 我国也跟随世界的脚步,在全国范围内开展了以DCD为主的器官捐献试点工作。
Nitrification inhibitor DMPP, DCD, AM, and TU had different levels of impact on the soil urease activity, nitrate reductase activity and nitrite reductase activity, which had the nitrogen conversion effect through influencing the activity of soil nitrogen transformation process. 硝化抑制剂DMPP、DCD、AM和TU对土壤中的脲酶、硝酸还原酶和亚硝酸还原酶均有不同程度的影响,并且通过影响土壤不同酶活性的变化而对该过程中氮素的转化起作用。
Therefore, the development of preparation technology of the high purity DCD and equipment has important practical significance. 因此,开发高纯双氰胺制备技术及设备具有重要的实际意义。