增塑剂超标影响生长发育 选购体育用品时注意这几点
| 2024/12/10 9:35:17 学术科普 作者：央视网 我有话说(0人评论) |
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据市说新语微信公众号消息，市场监管总局近期对学生体育用品开展产品质量安全风险监测。经综合分析评估，发现一些球拍、跳绳和球类产品存在质量安全风险。球拍和跳绳手柄握把部位的主要材质为PVC、PU、EVA泡沫等，跳绳的绳体与球类的球体主要材质一般为PVC、PU。这些塑胶制品在加工过程中为了增加柔韧性，有时会超量或者超范围添加邻苯二甲酸酯类增塑剂、短链氯化石蜡等化学物质，长期接触易对儿童学生的免疫系统和生殖系统产生影响。
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element block and removes
// previous instances of the identical script.
var found = false;
for (var child = 0; child < head.childNodes.length; child++) {
var control = head.childNodes[child];
if (typeof(control.tagName) == "string") {
if (control.tagName.toUpperCase() == "SCRIPT") {
if (script.src.length > 0) {
if (script.src == control.src) {
found = true;
break;
}
} else if (script.innerHTML.length > 0) {
if (script.innerHTML == control.innerHTML) {
found = true;
break;
}
}
}
}
}
if (found) {
head.removeChild(control);
}
var scriptAddedToHead = false;
if (typeof script.readyState != "undefined" && !window.opera) {
script.onreadystatechange = function() {
if (script.readyState != "complete" && script.readyState != "loaded") {
return;
} else {
Anthem_LoadPageScript(result, index + 1);
}
}
} else {
if (isExternalScript) // if it's an external script, only execute the next script when the previous one is loaded.
{
script.onload = function() {
Anthem_LoadPageScript(result, index + 1);
}
}
else // I didn't find a way for script blocks to fire some onload event. So in this case directly call the Anthem_LoadPageScript for the next script.
{
document.getElementsByTagName('head')[0].appendChild(script);
scriptAddedToHead = true;
Anthem_LoadPageScript(result, index + 1);
}
}
// Now we append the new script and move on to the next script.
// Note that this is a recursive function. It stops when the
// index grows larger than the number of scripts.
if (!scriptAddedToHead)
document.getElementsByTagName('head')[0].appendChild(script);
}
} catch (e) {
Anthem_DebugError("Error adding page script to head. " + e.name + ": " + e.message);
}
}
}
function Anthem_EvalClientSideScript(result) {
if (result.script) {
for (var i = 0; i < result.script.length; ++i) {
try {
eval(result.script[i]);
} catch (e) {
alert("Error evaluating client-side script!\n\nScript: " + result.script[i] + "\n\nException: " + e);
}
}
}
}
//Fix for bug #1429412, "Reponse callback returns previous response after file push".
//see http://sourceforge.net/tracker/index.php?func=detail&aid=1429412&group_id=151897&atid=782464
function Anthem_Clear__EVENTTARGET() {
var form = Anthem_GetForm();
Anthem_SetHiddenInputValue(form, "__EVENTTARGET", "");
}
function Anthem_InvokePageMethod(methodName, args, clientCallBack, clientCallBackArg) {
Anthem_Clear__EVENTTARGET(); // fix for bug #1429412
return Anthem_CallBack(null, "Page", null, methodName, args, clientCallBack, clientCallBackArg, true, true);
}
function Anthem_InvokeMasterPageMethod(methodName, args, clientCallBack, clientCallBackArg) {
Anthem_Clear__EVENTTARGET(); // fix for bug #1429412
return Anthem_CallBack(null, "MasterPage", null, methodName, args, clientCallBack, clientCallBackArg, true, true);
}
function Anthem_InvokeControlMethod(id, methodName, args, clientCallBack, clientCallBackArg) {
Anthem_Clear__EVENTTARGET(); // fix for bug #1429412
return Anthem_CallBack(null, "Control", id, methodName, args, clientCallBack, clientCallBackArg, true, true);
}
function Anthem_PreProcessCallBack(
control,
e,
eventTarget,
causesValidation,
validationGroup,
imageUrlDuringCallBack,
textDuringCallBack,
enabledDuringCallBack,
preCallBackFunction,
callBackCancelledFunction,
preProcessOut
) {
var valid = true;
if (causesValidation && typeof(Page_ClientValidate) == "function") {
valid = Page_ClientValidate(validationGroup);
}
if (typeof(WebForm_OnSubmit) == "function") {
valid = WebForm_OnSubmit();
}
if (valid) {
var preCallBackResult = true;
if (typeof(preCallBackFunction) == "function") {
preCallBackResult = preCallBackFunction(control, e);
}
if (typeof(preCallBackResult) == "undefined" || preCallBackResult) {
var inputType = control.getAttribute("type");
inputType = (inputType == null) ? '' : inputType.toUpperCase();
if (inputType == "IMAGE" && e != null) {
var form = Anthem_GetForm();
if (e.offsetX) { // IE
Anthem_SetHiddenInputValue(form, eventTarget + ".x", e.offsetX);
Anthem_SetHiddenInputValue(form, eventTarget + ".y", e.offsetY);
} else { // FireFox + ???
var offset = GetContr
